Latest / Jeep Talk Show / Ep. 12 Is Your Jeep XJ Shaking? Try This Pinion Angle Fix!
Transcript
- 0:00I guess you should talk to her.
- 0:02It's on.
- 0:03Now.
- 0:29Now.
- 0:29Now.
- 0:39Howdy guys.
- 0:40Name here is Tony
- 0:42Moteroi from XJtalk.com.
- 0:45This is XJtalk.com Show.
- 0:51Every Wednesday night, 8pm Central.
- 0:55So we've got a few more in the chatroom
- 0:57this week than we did last.
- 0:59It's amazing what happens when you can
- 1:01start the show on time.
- 1:04Let's see, what have we got?
- 1:05We've got 8 people and 2
- 1:08guests and a broadcaster.
- 1:11Oh, that'd be me.
- 1:13Hello to Weltman,
- 1:15Arganard, Punisher72, Dalton4x4.
- 1:21Who else do we have there?
- 1:22Lizardrunnerxj4iv.
- 1:26I bet you Scott's falling asleep.
- 1:29I haven't seen him chatting.
- 1:35As I mentioned, we have, as I mentioned
- 1:38to the folks in the
- 1:39chatroom before the show,
- 1:42we have Steve Howard,
- 1:454.3LXJ from XJtalk.com.
- 1:49He'll be live on the phone tonight.
- 1:51In fact, he's on the phone right now.
- 1:53And he'll be live.
- 1:55We'll be discussing drive
- 1:57angles for your Jeep Cherokee.
- 2:00We'll get started here in just a minute.
- 2:37This segment is brought to you by Ironman
- 2:394x4, the toughest,
- 2:41most adjustable control
- 2:42arms in the industry.
- 2:44Ironman 4x4 has a wide variety of rugged
- 2:46off-road suspension
- 2:48products that are overbuilt and
- 2:49underpriced.
- 2:50Visit Ironman4x4fab.com today.
- 2:54That's Ironman4x4fab.com.
- 2:58XJtalk.com.
- 3:00XJtalk.com.
- 3:01It's where you go.
- 3:02When you're not off-road.
- 3:04Yeah, and actually, Andy at
- 3:06Ironman4x4fab.com is hooking me up with
- 3:10some adjustable lower
- 3:11control arms.
- 3:13We're doing a little trading on
- 3:14advertisement on XJtalk, and
- 3:17he's hooking me up with some
- 3:19matching lower control arms, just like
- 3:21the upper control arms
- 3:22that I got from him not
- 3:23too long ago.
- 3:24So, I will be fully Ironman-ed connected
- 3:28to my unibody and to my front axle.
- 3:32I'm pretty happy about that.
- 3:34I've been wanting to get the front end
- 3:36aligned, and I really
- 3:37didn't want to do it if I didn't
- 3:38have a way to adjust the lower control
- 3:41arms, because I've got
- 3:42the original rough country
- 3:44lift control arms on there.
- 3:46Okay, let's get Steve on the phone.
- 3:50Somebody's calling.
- 3:50Somebody entered the jam phone.
- 3:55It's an XJtalk live phone call.
- 3:57Hello, Steve.
- 3:58Are you there?
- 3:59I'm there.
- 4:00Excellent.
- 4:01I haven't got any video
- 4:02yet, though, on my screen.
- 4:04Do you have anything that you're doing,
- 4:06you know, like devices?
- 4:07You may have to refresh it.
- 4:09There's the banners up.
- 4:11Yeah, I've got the banner up, but I
- 4:12haven't had anything
- 4:13else with the commercial.
- 4:14No, no.
- 4:14There's no video for the commercials.
- 4:16It's all ... This is kind of a
- 4:18pseudo-radio station type thing.
- 4:19Okay.
- 4:20So don't really do any kind of a video
- 4:24that go along with the commercial.
- 4:25That would be nice, but the primary focus
- 4:27of the show, in case any
- 4:28of you guys are wondering
- 4:29or anybody listening on the podcast, the
- 4:31primary focus of the show is audio.
- 4:33We throw the video up since we do the
- 4:35live show, so don't
- 4:37expect much from the video,
- 4:38okay?
- 4:39All right.
- 4:39I'm not expecting much.
- 4:42Can you guys hear Steve okay?
- 4:43That would be me
- 4:44asking you in the chat room.
- 4:46Okay, good.
- 4:47Yep, everything.
- 4:48Wow, Arganard can
- 4:49actually hear for a change.
- 4:51It seems like your audio is always lower
- 4:53on your computer there, Rainey.
- 4:55Glad to hear it's sounding good.
- 4:57That's okay, Dalsin.
- 4:58We can't hear your
- 4:58grandson practicing his voice.
- 5:00Headphones, that's a really good idea.
- 5:02When I'm listening to ... Arganard says
- 5:04he's using headphones,
- 5:05but when I'm listening to
- 5:06a show, especially live shows, I find
- 5:09that it's best to use
- 5:10headphones because the audio
- 5:12levels can change so
- 5:13much, you know, all this.
- 5:14This is much like how the broadcast
- 5:17started in the 50s, you know?
- 5:19You could never be sure
- 5:20what was going to happen.
- 5:21Okay, Steve, I've been promoting here
- 5:25over the last hour or so
- 5:26that you're going to be
- 5:26talking about drive line angles.
- 5:30You may have a better way of putting it,
- 5:31or maybe I misread
- 5:33the pictures altogether.
- 5:34So what exactly is it
- 5:36that you're going to discuss?
- 5:37Well, that's basically what it involves,
- 5:38too, is how to set up a
- 5:39drive line once you lift
- 5:41an XJ.
- 5:42We get that question so many times
- 5:44because people will buy a
- 5:46lift kit, and then as soon
- 5:50as they get it in and then they take it
- 5:52for a spin at 45 miles
- 5:54an hour, they've got all
- 5:56this shaking going on, and
- 5:58they want to know how to fix it.
- 6:00So what I wanted to do tonight is to go
- 6:03over the procedure on
- 6:05how to set the drive line
- 6:07up after your lift kit's done.
- 6:09And that way you won't have to worry
- 6:11about the drive shaft
- 6:13vibrations and think, "Oh,
- 6:15what did I do now?"
- 6:17And correct me if I'm wrong, this is
- 6:18actually a fairly simple
- 6:20procedure, but it's probably
- 6:21one of the most confusing things to do.
- 6:23Well, it seems to be for a lot of folks.
- 6:25It's not confusing to
- 6:26me, but I've done it a lot.
- 6:27Well, experience is
- 6:28always the best teacher.
- 6:30Yeah, I started out doing this a long
- 6:33time ago when I was a firefighter.
- 6:37I used my considerable time off to seek
- 6:42employment at a local
- 6:43four-wheel drive shop, and we did
- 6:46engine conversions and axle conversions
- 6:48and suspension conversions.
- 6:50And so we were always
- 6:52setting drive lines up.
- 6:54And then later on I started up my own
- 6:57business doing custom
- 7:00lift kits, and that was back
- 7:02in the middle 70s.
- 7:04And I did that for about four or five
- 7:07years until Rancho put
- 7:08me out of business because
- 7:09I couldn't compete with them.
- 7:11I think I had a Rancho.
- 7:12I think I had that on my 83 Chevy pickup.
- 7:15That sounds familiar.
- 7:16Yeah, I wouldn't be surprised.
- 7:18A lot of people have Rancho stuff.
- 7:20It was pretty cheap.
- 7:21It seems like I got a four-inch lift for
- 7:23like $180 bucks or something.
- 7:25Yeah, yeah, well, I
- 7:26couldn't compete with that.
- 7:27My four-inch lifts, I think at the time,
- 7:30I was selling for
- 7:30about $300 bucks, and then
- 7:32I wouldn't install them.
- 7:33That was extra.
- 7:33I actually had mine installed.
- 7:36I was like, gosh, 22, 23 years old.
- 7:39So I was cruising, man.
- 7:41Of course, at that time, I didn't realize
- 7:43that lift kits were new.
- 7:45To me, it was what a lot of people around
- 7:49Baytown, Texas were doing.
- 7:51Of course, a lot of people had six-inch
- 7:52lifts, and I didn't want to go as high.
- 7:54I didn't like all that distance between
- 7:56the top of the tire and
- 7:58the fender of the truck.
- 8:00Yeah.
- 8:01Well, a four-inch was all you really
- 8:03needed for most of the
- 8:05tires until they started getting
- 8:08taller tires, and then that
- 8:09necessitated taller lifts.
- 8:11But yeah, a four-inch on
- 8:12those Chevys was just fine.
- 8:14Yep, I had 36.5-inch tires.
- 8:16Loved those tires.
- 8:17They were a little skinny, but I didn't
- 8:20know what I was doing.
- 8:20I just went to the tire shop and told
- 8:22them that I wanted the big tire.
- 8:25I wanted the tire big enough to fit under
- 8:26the truck with the lift on it.
- 8:28I think I wound up having to cut some of
- 8:30the fender there in the parking lot.
- 8:31They supplied the hacksaw.
- 8:35That's why you needed a six-inch lift.
- 8:37Yeah, I guess so.
- 8:38But I got a lot of compliments on it
- 8:40because it looked different.
- 8:42That was a nice thing.
- 8:43It looked different than everybody else.
- 8:46So I didn't have a six-inch lift.
- 8:47I had a four-inch lift, and it got me
- 8:48everywhere I wanted to go.
- 8:50Well, people that I talked to that had
- 8:52six-inch lifts in those
- 8:53days were really complaining
- 8:55about the gas mileage on those Chevys.
- 8:58It was like eight miles to a gallon or
- 8:59something like that.
- 9:00Yeah, I wasn't getting very good gas
- 9:02mileage, but back then,
- 9:04it wasn't that big a deal.
- 9:05I had dual tanks on it as well.
- 9:06Yes, we are.
- 9:07We are old Farts.
- 9:09This old Fart has a really nice Jeep.
- 9:12There it is, jealous.
- 9:16It's not the aged big
- 9:18Jim, it's the mileage.
- 9:19You're putting a lot
- 9:20of mileage on right now.
- 9:22It's all the holes.
- 9:25What are you doing?
- 9:26It's true.
- 9:28Well, that 83 Chevy that I
- 9:30had, it looked really nice.
- 9:32It was midnight blue.
- 9:33And I never could pronounce the word
- 9:35toner, tonier cover with
- 9:38a Velcro to hold it on.
- 9:40I didn't like the snaps.
- 9:41And the cool thing was I had
- 9:46a push bar on the front of it.
- 9:47Of course, I didn't know
- 9:48what the hell I was doing.
- 9:49And I got a lot of
- 9:52looks, a lot of compliments.
- 9:54It was very high, but it
- 9:56wasn't two inches higher.
- 9:58So I could still get in and out of it.
- 9:59I still had to grab hold of
- 10:00the steering wheel to get in.
- 10:02And I had mudder tires
- 10:04on it, so it was a blast.
- 10:06A lot of compliments.
- 10:07It was very much like having the Jeep,
- 10:10whenever I lifted the Jeep.
- 10:11I got so many compliments.
- 10:12It was very reminiscent of what I had
- 10:14done so many years earlier.
- 10:16But the transmission was
- 10:18****.
- 10:19That went out on me under warranty.
- 10:21And the engine
- 10:22developed a knocking sound.
- 10:25They had it for 30 days at the dealership
- 10:27trying to fix that knocking sound.
- 10:28And I think all it was, all it wound up
- 10:30being was the rod that
- 10:34the oil pump gets pushed
- 10:36by from the, I think it's the crankshaft.
- 10:40Maybe it's the, I can't remember if it's
- 10:41the camshaft or a crank.
- 10:43Anyway, the little rod that pushed the,
- 10:45that pushed the oil
- 10:46pump, it was, there was a gap
- 10:47and it was slapping it.
- 10:48But they fixed it, but only, I don't know
- 10:50why the hell, number
- 10:51one, I don't know why
- 10:52they had it for 30 days.
- 10:53And number two, I don't know why I let
- 10:54them keep it for 30 days.
- 10:55But they literally had it a month.
- 10:56Yeah, that 305 was way
- 10:59underpowered for that truck.
- 11:00Yeah, that wasn't one
- 11:02of their better motors.
- 11:03No, I mean, the 350 would have been
- 11:05better, but a nice like 400.
- 11:09I don't, and I don't know
- 11:10what was available on 83.
- 11:12A nice 400, something either a more cube,
- 11:17small block or better
- 11:18yet a big block would
- 11:19have been much better for that truck,
- 11:20especially with the 36
- 11:21and a half inch tires on it.
- 11:23Yeah, big blocks are
- 11:24always better in trucks.
- 11:25Yep, love that torque.
- 11:27So Steve, we can get
- 11:29going anytime you're ready to.
- 11:31I'm fine, let's go.
- 11:32So what's the first thing we need to talk
- 11:34about when it comes to drive line angles?
- 11:36Drive line angles, I'll get it right.
- 11:38Well, the first thing you need to do is
- 11:40to figure out what kind
- 11:43of drive line setup you're
- 11:44going to have, whether you're going to
- 11:45use a conventional drive
- 11:47line like the stock drive
- 11:48line or whether you're going to use a
- 11:50sloped yoke eliminator,
- 11:52because the procedures are
- 11:53different for setting those two up.
- 11:56So if you want to get the first picture
- 12:00up that I had there, we'll
- 12:02start with the conventional
- 12:03drive line.
- 12:04And you can set these up on any XJ up to
- 12:09a four and a half inch lift.
- 12:11And this is an image right
- 12:13off of Tom Wood's website.
- 12:15And the point here is that you're looking
- 12:18at the engine and it looks level.
- 12:20And if you draw a line through the pinion
- 12:22shaft, it looks level also.
- 12:25And what you have to do is
- 12:28to match those two angles.
- 12:30And when you lift a Jeep, many times
- 12:33those two angles are not matched anymore.
- 12:35They're matched at the
- 12:36factory fairly close.
- 12:37They're within a couple of degrees.
- 12:40If you're anywhere within five degrees
- 12:43difference on those, you probably won't
- 12:46have any vibrations.
- 12:48Once you hit about five
- 12:49degrees, they start vibrating.
- 12:51And six, you start feeling it.
- 12:53And if you get to seven, it's going to
- 12:55shake you out of the rig.
- 12:56So the object of this whole exercise is
- 13:00just to match those angles.
- 13:01And the only way that you really know how
- 13:03to do it is to get an
- 13:07angle finder and take
- 13:08the measurements.
- 13:10There's really no other way to do it
- 13:11except just throw parts
- 13:12at it and keep buying them
- 13:14until you get the right
- 13:16combination and it stops on you.
- 13:17So in this situation, you wouldn't want
- 13:21to shim anything to try
- 13:22to fix it because that
- 13:24would put the angle greater as you raise
- 13:28or change the angle of the axle.
- 13:30Correct?
- 13:31Well, actually, you
- 13:32probably might want to shim it.
- 13:34I guess you could shim it in the back so
- 13:36it would rotate the axle forward.
- 13:39Well, I'll show you how to figure it out.
- 13:41Usually what happens is you end up
- 13:45tipping the pin down in this situation.
- 13:48What happens is if you get a lift kit
- 13:52with, say, an extended
- 13:54shackle, if you, for every
- 13:57inch that shackle is extended, according
- 13:59to my high school
- 14:00geometry, it changes the pinion
- 14:02angle by about one degree.
- 14:04So if you put on a four-inch extension on
- 14:10your shackle, four-inch extended shackle,
- 14:12and you already have a two-degree
- 14:14difference in the angle to
- 14:17start with from the factory,
- 14:18then what's going to happen is that puts
- 14:21you, if you add them
- 14:22up, if they're in the same
- 14:23direction about six degrees out, and it
- 14:25will probably vibrate.
- 14:27And adding an extended shackle is one of
- 14:29the most common causes
- 14:31of a vibration in a rear
- 14:34drive line on a
- 14:35Cherokee I think there is.
- 14:37So the point is, now, also, each lift kit
- 14:42manufacturer designs their own springs.
- 14:45And some of them are curved a little
- 14:48differently than others, and
- 14:50some of them come with shims
- 14:52already on the springs.
- 14:54There's no rule of thumb for that.
- 14:56And so what you have to do is once you
- 15:00get it installed and get
- 15:01the weight on the vehicle
- 15:03and it's sitting there, you just have to
- 15:05get an angle finder
- 15:05out and start taking some
- 15:08measurements so you'll know whether or
- 15:10not you need to make
- 15:11any other corrections.
- 15:12So let's go to the next
- 15:14picture, if you would.
- 15:15Okay, let me ask you a
- 15:16quick question about this one.
- 15:17This is an example of a stock XJ.
- 15:21This would be with the SYE.
- 15:24I'm sorry, not with the SYE, the stock
- 15:25with the Slippy Oak.
- 15:27Yeah, stock drive line,
- 15:28and one you join at each end.
- 15:30Okay.
- 15:32Okay, well, I'll save that because I
- 15:34think you're going to
- 15:34answer it because the four
- 15:36and a half inch springs that I got from
- 15:38Rough Country had a
- 15:39little angled piece of metal
- 15:41built into it.
- 15:42So I think that would have
- 15:44rotated the way it's on there.
- 15:47It would have rotated
- 15:47the axle or the pinion up.
- 15:50So I'm a little concerned.
- 15:52I did buy an angle finder.
- 15:53I just haven't used it yet.
- 15:54So I'm going to be paying an inch and
- 15:56probably asking questions
- 15:57here for myself as well.
- 15:59Okay, good one.
- 16:00Not by me, you're okay.
- 16:01You really, you know, you're okay.
- 16:03But it's fun to play with so that you
- 16:04know about it in case you
- 16:05want to go a little higher
- 16:06or something.
- 16:07Well, actually, I am getting vibration,
- 16:09and I was going to ask that too.
- 16:11I think we've
- 16:12discussed this on the forum.
- 16:17I get vibration during acceleration.
- 16:20I mean, I get vibration
- 16:21while I'm going down the road.
- 16:22It's hard to tell if it's the tires or if
- 16:24it's the drive line.
- 16:25But I do notice a little more vibration
- 16:28during acceleration
- 16:29around 55 miles an hour.
- 16:30This wouldn't give you vibration at a
- 16:33certain speed or during acceleration.
- 16:35This would be a constant
- 16:37vibration, I would assume.
- 16:39Not always.
- 16:40Sometimes 55 is kind of the magic number.
- 16:44It's kind of like it
- 16:45is for death wobble too.
- 16:47Death wobble seems to like that speed.
- 16:49It can come at around
- 16:5355 and then leave again.
- 16:56Just due to the speed of the
- 16:58drive shaft, it will fade out.
- 17:01It doesn't have enough time to really
- 17:03start moving anything
- 17:05else around so you don't feel
- 17:06as much.
- 17:07Okay.
- 17:08But sometimes if it's really out a long
- 17:12ways, you can start in
- 17:15at 35 miles an hour, and
- 17:17by the time you hit 65, you're wondering
- 17:20if the XJ is going to
- 17:22start busting all the
- 17:23spot welds.
- 17:24Yeah, no, I don't
- 17:25have that problem at all.
- 17:26So, okay, I'll bring up the next picture.
- 17:28Okay.
- 17:29Okay, the first thing you want to do is
- 17:31to disconnect the rear drive line.
- 17:33And I have to apologize because this
- 17:35picture is kind of dark
- 17:36because I wanted to show something
- 17:37that's kind of
- 17:38important when you do this.
- 17:40If you've got a stock Dana 35, and I'm
- 17:44not sure about the
- 17:46eight and a quarters, but on
- 17:47the Dana 35, the pinion yoke uses straps
- 17:52to hold in the U-joint.
- 17:54And those straps, when you
- 17:55bolt them down, they stretch.
- 17:58And normally, somebody like Tom Woods,
- 18:02when you buy a drive
- 18:03line from them, they want
- 18:04to sell you straps.
- 18:05And their reasoning is that you don't
- 18:07want to throw a drive line.
- 18:09And they recommend that every time you
- 18:13disconnect your drive line
- 18:14to get new straps and new
- 18:15bolts to go with it.
- 18:17I've never bought new bolts, and I've
- 18:19taken my drive line off a
- 18:20bunch, and I haven't noticed
- 18:21any problem.
- 18:23That's kind of a Jeep recommendation, and
- 18:25I'm not sure it's really necessary.
- 18:27But the straps, I have stretched straps
- 18:30before and thrown drive
- 18:32lines on some 1350U joints
- 18:34on my old Dodge pickup.
- 18:35So this is something you
- 18:37have to pay attention to.
- 18:39Now, what I did here, if you can see it,
- 18:42is I only took the
- 18:43straps loose on one side and
- 18:46pulled the bolts out and then rotated the
- 18:47straps so that they go
- 18:49back in the exact same
- 18:50position.
- 18:51So basically, they should
- 18:54not need any new ones this way.
- 18:59You need to make sure that those straps
- 19:04don't get in a different position.
- 19:05Now, I see someone says that
- 19:07I'm touching go on the audio.
- 19:10Is it better now?
- 19:11Or am I garbling up on
- 19:14your end at all, Tony?
- 19:15No, it may be something related to
- 19:18U-stream or bandwidth,
- 19:19because you're constant here.
- 19:21I'm watching all the little lights and
- 19:23gauges, and you're fine.
- 19:25Okay.
- 19:26All right.
- 19:26Well, I want to make
- 19:27sure they can hear me.
- 19:28No sense in listening to me, if you can't
- 19:29understand what I'm saying.
- 19:30So anyway, first thing you do is, you
- 19:33know, I've jacked my Jeep
- 19:34up here, and I disconnected
- 19:36the rear drive line, and the straps are
- 19:38still attached loosely at one end.
- 19:40So I can keep track of them that way.
- 19:42They'll go back on exactly
- 19:43the way that they came off.
- 19:46Okay.
- 19:47Let's go to the next slide right here.
- 19:50Okay.
- 19:50It's up.
- 19:51It may be a while
- 19:52before you see it, Steve.
- 19:53So you might want to start talking about
- 19:54it as soon as I say it's up.
- 19:56Okay.
- 19:56Well, I don't have it.
- 19:57There it is.
- 19:58Okay.
- 19:58So here's the angle finder.
- 20:00There's my old craft
- 20:01center that I've had forever.
- 20:02I kicked around my toolbox, made a couple
- 20:04of moves and everything that lasts a long
- 20:06time.
- 20:07What you want to do with this first
- 20:09measurement is you want to measure the
- 20:11angle of your transfer
- 20:12case.
- 20:12Now, this is my disc parking brake on the
- 20:16back of my Atlas,
- 20:18since I don't have a 231
- 20:19in anymore, or a 242.
- 20:22But one of the good places to take this
- 20:26measurement on either one
- 20:27of those new process transfer
- 20:29cases is the fill nut.
- 20:31It's machined, and it's machined at an
- 20:33exact right angle to the
- 20:36shaft that goes through
- 20:38the transfer case, the output shaft.
- 20:40So the way these angle finders are set
- 20:42up, they're set up in
- 20:4490-degree increments.
- 20:45So you can rotate them any way you want.
- 20:47And if you're checking the angle of
- 20:49something that's 90
- 20:50degrees different, it comes out
- 20:52exactly right.
- 20:53So I checked the angle of my transfer
- 20:57case, and it's five degrees.
- 20:58So what I have to do now, if I'm going to
- 21:01set up a standard driveline, is I have to
- 21:05match that angle on the pinion, or get
- 21:08within a few degrees.
- 21:10Preferably somewhere in the neighborhood
- 21:12of two or three degrees
- 21:13would be satisfactory.
- 21:15So once I've taken this
- 21:16measurement, that's my goal.
- 21:18That's the measurement that I've got to
- 21:20shoot for on the pinion.
- 21:22Is there anything-- I'm sorry, Steve.
- 21:24Is there anything special you have to do
- 21:25on this angle finder?
- 21:26Because I've got the angle finder, but
- 21:29you have to-- do you
- 21:30center it to zero, or-- I
- 21:33mean, you just stick it on
- 21:34there and read what it says?
- 21:36It's already zero.
- 21:37There's a pointer on there.
- 21:38Don't let that pointer throw you.
- 21:40You can adjust that.
- 21:41Put it any place you want.
- 21:42I've never used that pointer.
- 21:44The thing that you have to pay attention
- 21:46to here on the-- you'll notice that there
- 21:50are four places on that angle finder.
- 21:54If you're looking at the
- 21:54numbers, where there's a zero.
- 21:57And then you notice the red there with
- 22:00that white line in the middle of it.
- 22:03So you can see that the zero there, if
- 22:06you can-- it's not a
- 22:07very big image, but that
- 22:08zero is just to the
- 22:09left of that white line.
- 22:12And so there's about a five-- that
- 22:14pointer's on about five degrees there.
- 22:17So you're talking about the large red
- 22:20mark, the translucent
- 22:21red that's at the bottom of
- 22:23the gauge.
- 22:24And you're actually reading the little
- 22:26white line, where the
- 22:26white line is, is where the--
- 22:28how many degrees you're reading the
- 22:31number of degrees for the
- 22:32angle of the transfer case.
- 22:33Yes, that is correct.
- 22:34OK.
- 22:35And guys, and people listening on the
- 22:37podcast, this will be--
- 22:39I'll have the images available
- 22:41on the podcast site.
- 22:43So if you don't know where that is, I'll
- 22:46just tell you real quick, it's
- 22:47podcasts.plural.xjtalk.com.
- 22:51Or you can just go to xjtalk.com and
- 22:53click on Podcasts on the
- 22:54nav bar at the very top.
- 22:56OK, go ahead, Steve.
- 22:57OK, so we've got that
- 22:59five degree measurement.
- 23:01Now the next measurement you take is on
- 23:04the face of the pinion.
- 23:05And the reason that we disconnected that
- 23:07drive shaft is there's no
- 23:08place to take that except
- 23:10on the pinion yoke, unless
- 23:12you pull a differential cover.
- 23:14But we don't need to do that.
- 23:15So that's why we
- 23:16disconnected the end of that drive line.
- 23:20So now let's go to the next slide here.
- 23:22OK, number four is the CV angle.
- 23:24Is that what you're looking for?
- 23:25Yeah, you need to measure the face on
- 23:28that pinion, you
- 23:29know, where the straps go.
- 23:31OK, this shows the double--
- 23:32what is it, double cardigan?
- 23:34CV joint?
- 23:35You want another one?
- 23:35The angle of the shaft,
- 23:37we're still doing that.
- 23:38I'm sorry?
- 23:39Right, but this is number four.
- 23:40Do you want number four or number five?
- 23:42Whatever the next one is, it would be
- 23:44number four, I guess.
- 23:45OK, number four is up.
- 23:46It says the proper
- 23:47geometry for CV drive shaft.
- 23:49Oh, we missed one someplace.
- 23:52OK, let me just explain it.
- 23:55Would it be this one?
- 23:56This is number five.
- 23:57Yeah, we missed one somewhere.
- 23:59That's all right.
- 23:59Let me just explain it.
- 24:01OK.
- 24:01What you need to do is to measure the
- 24:04machine surface on the
- 24:08pinion, that yoke there.
- 24:09That's why we disconnected the drive
- 24:11shaft so that we can get
- 24:12a nice flat spot there.
- 24:14You measure that angle, and let's say
- 24:16it's 10 degrees or
- 24:21maybe it's only two degrees.
- 24:23We don't know.
- 24:25Let's say, for instance, that we had
- 24:27about a five degree angle
- 24:28on it to start with, and
- 24:30just for instance, we put in a four inch
- 24:35extended shackle with our kit.
- 24:37And now what we have is
- 24:39something around nine or 10 degrees.
- 24:41That's a very common scenario.
- 24:43So what's going to happen there is that
- 24:46that drive shaft is going to vibrate
- 24:49because it's a little bit too far out.
- 24:51So what we want to do
- 24:53is a little subtraction.
- 24:54We're going to subtract five from 10 and
- 24:55we get five degrees.
- 24:57And so now what we would do is we would
- 25:01go down-- what I would do, I'd just go
- 25:04down into Chico and I'd go to Payless and
- 25:064x4, and I'd get myself a
- 25:08four degree shim for the axle.
- 25:10And that shim, and I'd also get a stop at
- 25:14Napa and get a new center bolt.
- 25:16And so then I would put a C clamp on that
- 25:19spring, that rear spring.
- 25:21I would take the old center bolt out and
- 25:23I would install this shim into the spring
- 25:27pack with the center bolt.
- 25:29So when you say shim and center bolt, it
- 25:32would actually be a pair because it would
- 25:33be on both leaf springs.
- 25:36Yeah, you do it on both sides.
- 25:37Okay, and let me just make sure real
- 25:39quick, I have the image up where you have
- 25:41the angle finder on the yoke.
- 25:46So just so everybody understands, and I'm
- 25:49going to just kind of draw in here, the
- 25:51yoke is this part right here.
- 25:55And I don't know how long it will take
- 25:57for this to show up.
- 25:58So basically where the bolts and the
- 26:00straps go is-- and I would assume it's on
- 26:03either side of the yoke, Steve.
- 26:08That flat surface.
- 26:09You can use the other side, except that I
- 26:10left my straps on, remember?
- 26:12So you can only use one side.
- 26:13Oh, okay.
- 26:14So whichever side doesn't have the strap,
- 26:17if you took them both off, then--
- 26:18Which doesn't have the straps.
- 26:20So you can use either side, and it's just
- 26:22basically where the bolts
- 26:24go to hold on the straps.
- 26:25So that's the area
- 26:27where you put this thing.
- 26:28And there's no adjustment on the angle
- 26:30finder, you just read what it says.
- 26:32And again, it's the large red area and
- 26:36you actually read what's in that little
- 26:37window, at least on this
- 26:39specific type of angle finder.
- 26:41Yours may be different.
- 26:43Yeah.
- 26:43And that reading
- 26:44there is about 14 degrees.
- 26:46Wow.
- 26:47Okay.
- 26:47Now, I just-- my Jeep is set up for a
- 26:51single yoke eliminator.
- 26:52I've taken my axle loose and I just let
- 26:54it flop and I said, "Yeah, that looks
- 26:56about right. I'll take that measurement."
- 26:58So I took that
- 27:02measurement as a, for instance.
- 27:03Now, what I would do is I would subtract
- 27:04that 5 degrees from that 14 degrees.
- 27:07That gives me 9.
- 27:08Now, you can get shims in
- 27:102, 4, and 6 degree shims.
- 27:13And that's about it.
- 27:14So I would go get myself a
- 27:156 degree shim in this case.
- 27:17Okay, wait a minute.
- 27:18Why would you subtract that?
- 27:19Why would you subtract the 5 that you got
- 27:21from the back of your
- 27:23transfer case from the 14 here?
- 27:25Oh, okay.
- 27:26The-- you have 5 on
- 27:29the transfer case, right?
- 27:30Right.
- 27:31And you want to make the pinion as close
- 27:35to 5 degrees as possible.
- 27:37So what you want to do is find the
- 27:38difference between that 5 degrees that
- 27:41you're aiming for and what you have.
- 27:44Are the 2 5 degrees-- I mean, sorry, is
- 27:47the angle-- the angle's supposed to be
- 27:48the same on both the
- 27:50transfer case and the pinion.
- 27:52Right.
- 27:53And so 5 degrees is where you want it to
- 27:55be, but it's not 5
- 27:56degrees there now. It's at 14.
- 27:58So I'm going to subtract 5
- 28:00and I get 9 degrees, right?
- 28:02Okay.
- 28:02But is it possible that it could be
- 28:04leaning the other way?
- 28:05In other words, it could
- 28:06be a negative 3 degrees or--
- 28:08It could end up any old way.
- 28:10And especially if you get a lift kit with
- 28:12a shim in it and you've added a shackle
- 28:14or you've added a-- what
- 28:17do they call those kits?
- 28:19Blocks or something?
- 28:21Oh, anyway, it changes the angle of your
- 28:24shackle, you know, and that puts about
- 28:27another 2 inches on the end of a--
- 28:31it's like a 2 inch extended
- 28:32shackle when you get done.
- 28:34You know, there's any number of things
- 28:36that you can do while you're changing
- 28:38your suspension that
- 28:40will alter that angle.
- 28:42And that's why you need to measure it.
- 28:44There's no rule of thumb.
- 28:45I understand that, but I'm talking
- 28:47about-- is it-- you
- 28:49always subtract the 2 values?
- 28:51Yeah, you always subtract the little one
- 28:53from the big one so that you get-- find
- 28:55how much difference there is.
- 28:56Okay.
- 28:57And the difference-- that difference, you
- 28:59want to get a shim that's as close to
- 29:01that difference as you can.
- 29:03So in this case, I can only get a 6
- 29:05degree shim. That's
- 29:07the biggest I can get.
- 29:08So I would go down and get myself a 6
- 29:10degree shim and install that.
- 29:12Okay, and that would get me down 6
- 29:15degrees from 14 is down to 8 degrees.
- 29:19That's within 3 degrees
- 29:20of my transfer case angle.
- 29:22And so now that driveline, even though
- 29:24it's not perfect, is close enough that
- 29:28it's not going to vibrate.
- 29:29And would that also be close enough to
- 29:31keep the-- from eating up U-joints?
- 29:34On a 4.5 inch lift, yeah, it's close
- 29:36enough that you don't have
- 29:37to worry about your U-joints.
- 29:38Okay.
- 29:39Once you go above 4.5 inches, the problem
- 29:43you run into is that our pinion slip
- 29:46yokes are very limited on the
- 29:48angle they will accommodate.
- 29:49And so you have to-- if you want to keep
- 29:51a standard driveline, and you can go
- 29:53higher than 4.5 inches and
- 29:55keep a standard driveline,
- 29:56what you have to do is to get a YJ slip
- 30:00yoke or a 231 transfer case.
- 30:03Those slip yokes have a longer shaft on
- 30:06them, or longer sleeve
- 30:08that goes over the shaft,
- 30:09and they're also cut deeper so that they
- 30:12will accommodate more angle.
- 30:14Okay.
- 30:15And if you've ever been under a YJ, they
- 30:18have a steep angle to start with before
- 30:20you lift them on that drive shaft.
- 30:22Right.
- 30:22Because they're so short.
- 30:24That's why they're designed that way.
- 30:26Rustys sells them.
- 30:28Any data dealer can find one for you.
- 30:31Or you can go to Jeep and
- 30:32pay a lot of money for one.
- 30:34But either way--
- 30:35That would be my choice.
- 30:36Yeah.
- 30:37But you want to get as close-- those
- 30:39angles, as close as you can.
- 30:41I see Weldman or Detour
- 30:43says two degrees is preferable.
- 30:44I agree.
- 30:46I would think zero would be what you
- 30:47would be shooting for, but you don't want
- 30:49to stack shims, do you?
- 30:51Well, it's going to be fat on one end.
- 30:53Okay.
- 30:54Now, here's the trick.
- 30:55Depending on which way the pinion is
- 30:57rotated determines on which side the
- 30:59fat-- which end of the
- 31:01spring the fat end goes.
- 31:03Okay.
- 31:03Okay.
- 31:04Now, with this one, the way I have it
- 31:07measured here, I need to
- 31:09bring the pinion angle down.
- 31:11So I would put the fat side on the back.
- 31:14Towards the back of the Jeep.
- 31:16Right, towards the back of the Jeep.
- 31:17If the pinion is too low for the transfer
- 31:21case angle, then I would
- 31:23put the fat side in the front,
- 31:24and it would raise the pinion up.
- 31:26And I would assume you can check that
- 31:27just by taking the angle finder and
- 31:31physically moving it and
- 31:33seeing which way it needs to go.
- 31:35That way you could verify if it needed to
- 31:36go to the front or the back.
- 31:37Yeah, and after you put your axle or your
- 31:41shim in and raise your axle up and let
- 31:44the weight of the Jeep
- 31:46down on it and everything,
- 31:47you want to check your measurements.
- 31:48Oh, yeah, absolutely.
- 31:49Yeah.
- 31:49You don't want to just throw
- 31:50it on there and say that's it.
- 31:52You need to verify what you
- 31:54think is going to be true.
- 31:57Yeah, it'll be very obvious if it's wrong
- 31:59anyway, but you can verify it.
- 32:01See how close you are.
- 32:02Anyway, yeah, that's what you do for
- 32:05standard single U-joints.
- 32:08And you can put a pretty
- 32:10fair angle on that drive shaft.
- 32:12I've run five inches of lift just on the
- 32:15standard drive line with a stock XJ main
- 32:19leaf and everything.
- 32:20And I didn't have any
- 32:22trouble, so it can be done.
- 32:23But one thing that happens is that
- 32:26there's a difference in those angles, the
- 32:29way that they're set up between the 96
- 32:33and up Jeeps and the earlier Jeeps.
- 32:36And I don't know what the difference is,
- 32:38but it's enough that a lift kit with the
- 32:40earlier Jeeps works real good.
- 32:42You put it on the later ones after the
- 32:45body style changed and everybody gets
- 32:48drive line vibrations.
- 32:49So you have to go to a Slope-Yelky
- 32:52Eliminator with three inches
- 32:53of lift and all that stuff.
- 32:54No, you don't.
- 32:55Set your drive line up properly.
- 32:57Well, I think I need to do some work on
- 32:59mine that's going to require me to take
- 33:00the drive shaft out.
- 33:01So when I have it out, I'll go through
- 33:04this and make some notes and report on
- 33:07the website how my 98
- 33:10is with a 4.5 inch lift.
- 33:13You know, the
- 33:14difference between the angles.
- 33:15One of the things I want to do is I want
- 33:17to get another guy out here
- 33:18and take some better pictures.
- 33:19We're going to be setting his drive line
- 33:21up because we're going
- 33:21to be lifting his XJ up.
- 33:23So we'll go through the whole thing with
- 33:24his and he can help me take pictures.
- 33:27You know, above Timberline Rich, he's
- 33:30real good at doing technical write-ups.
- 33:32He used to do it for a living.
- 33:33And so he does a great job with that
- 33:35stuff and we'll get together and make
- 33:38something decent to stick
- 33:41in the technical section.
- 33:42Excellent.
- 33:43But anyway, OK, that's a procedure now
- 33:46for the Single-U joint stock drive line.
- 33:49Now, if you go to a slip-yoke eliminator,
- 33:53you have a different procedure than you
- 33:54do with the Single-U joint.
- 33:57So why don't we go to the picture of the
- 34:00geometry of the
- 34:01slip-yoke eliminator drive line?
- 34:04Would that be proper
- 34:05geometry for CV drive shaft?
- 34:07Yeah, CV drive shaft.
- 34:09OK, I got it up.
- 34:10And Steve's just waiting for the image to
- 34:11show up on his screen.
- 34:13I'm reading some of the posts here.
- 34:15You know, everybody wants me to set up
- 34:18their Dana 60 and all that.
- 34:19Anyway.
- 34:21I know who that is.
- 34:23Now, that was XJ4V.
- 34:27Anyway, yeah.
- 34:28You notice that the engine is level again
- 34:30here, but now the differential is tipped
- 34:33up and you have a straight line that goes
- 34:37through the shaft and
- 34:39through the pinion tube.
- 34:40They're both the same angle.
- 34:41So what you want to do with this
- 34:44situation, instead of matching the angle
- 34:46of the pinion to the angle of the
- 34:48transfer case, you want to match the
- 34:51pinion angle to the angle of
- 34:53the rear of the drive line.
- 34:55So that's a straight line.
- 34:56OK, let's go to the next image now.
- 34:59So now we don't have to
- 35:00measure the transfer case.
- 35:01We don't care what that is.
- 35:02That's the whole point
- 35:03of a slip-yoke eliminator.
- 35:04Doesn't matter what angle that is or
- 35:06whether you've got a
- 35:07transfer case drop or not.
- 35:08And actually, if you're running one of
- 35:10these, you don't want to
- 35:11run a transfer case drop.
- 35:12You want to tuck that
- 35:12transfer case up as high as you can.
- 35:15It looks like you've got some sort of
- 35:17straight edge in this picture.
- 35:19Is that the correct picture?
- 35:21Yeah, that's what I've got there.
- 35:22I've got a regular old common
- 35:25square from the hardware store.
- 35:27And all I did was I
- 35:29couldn't find any string.
- 35:30We seem to be stringless around here.
- 35:32So I got a piece of red copper wire and
- 35:35attached it to the
- 35:36universal joint on the drive shaft
- 35:38and stretched it out and put the face of
- 35:41this square up on the pinion face there.
- 35:45Still have my rear
- 35:46drive line disconnected.
- 35:47So that's the same.
- 35:48That part of it's the same.
- 35:49And I just tipped the pinion up until the
- 35:52straight edge is roughly
- 35:53parallel with that wire.
- 35:55And that's all you have to do except that
- 35:58you need to take your
- 36:00starting and your finished
- 36:02joint there.
- 36:03And to tip that up, all I do is put a
- 36:06hydraulic jack under the
- 36:08front of the differential and
- 36:10I just jack it up until it looks right
- 36:13with the U-wolks loose.
- 36:14So all you have to do is pretty simple.
- 36:16Okay, so tell me where the wire, what's
- 36:19the wire attached to on the front?
- 36:21The reversal joint on the
- 36:23back of the transfer case.
- 36:24Okay, you said drive shaft earlier and I
- 36:26was thinking the drive shaft
- 36:27isn't here and I was confused.
- 36:28I thought maybe it was
- 36:29hanging down and we couldn't see it.
- 36:31So you've attached?
- 36:32It is hanging down, you can't see it.
- 36:34Okay, but you're attaching to the
- 36:36universal joint that is the one closest
- 36:39to the transfer case.
- 36:41That's correct.
- 36:41Yeah, yeah.
- 36:42But my CV joint is still on the back of
- 36:45the transfer case and so I just tied the
- 36:47wire to the universal joint
- 36:49and stretched it out there.
- 36:51And so you take your straight edge and
- 36:55look at it and jack the
- 36:57front up a little bit.
- 36:58And if you want to do it that way and
- 37:01just keep doing it until they're roughly
- 37:02parallel and that's where you stop.
- 37:04Take your measurement and again, you
- 37:06subtract the two values.
- 37:08Let's say you started with five degrees
- 37:10and now you ended up with 10 degrees.
- 37:15That means you need to go get
- 37:16yourself a four degree shim.
- 37:18Okay, I'm a little dense.
- 37:19I don't, where's your
- 37:20measurement coming from?
- 37:21Because you don't have the...
- 37:23The face of the pinion to start with,
- 37:25just with the weight on the axle.
- 37:28So it's where it's going to be.
- 37:30Okay, you've disconnected your driveline.
- 37:32You put your angle finder on the face
- 37:34just like we did before and you take the
- 37:37first measurement and it'll be about five
- 37:39degrees on a stock rig.
- 37:40And then you now that you want to have a
- 37:44straight shot from the pinion up to the
- 37:48transfer case there, you just keep
- 37:50jacking that pinion up until
- 37:53this straight edge here is parallel with
- 37:55that wire or string
- 37:56that you've tied there.
- 37:58Or if you want to do it a little faster
- 38:01and easier, if you feel comfortable doing
- 38:02it, you can just eyeball it.
- 38:04You can tell whether it's a straight shot
- 38:05or not within a degree or so.
- 38:07Sure.
- 38:07But when you say jack it up, you're
- 38:09talking about rotating the axle, the
- 38:11pumpkin, you're
- 38:12rotating it to match the angle.
- 38:15Yeah, just jack the pinion up the front
- 38:17of the differential and it'll start
- 38:19tipping up and you'll see it.
- 38:22You know, when I set my own up, I didn't
- 38:24use this square method.
- 38:26I robbed that off a pirate.
- 38:28I thought, good idea.
- 38:29I happened to see it yesterday.
- 38:31So I thought I would throw it in here,
- 38:33but you can just eyeball it.
- 38:34So whenever you rotate the axle, the
- 38:37U-bolts have been loosened or removed.
- 38:41Loosen the connection to the stones.
- 38:42Well, I don't remove
- 38:43them, I just loosen them up.
- 38:44Right.
- 38:44That way the vehicle can't fall.
- 38:46Right.
- 38:46Because to me, when you said jack it up,
- 38:48I'm thinking you're actually lifting the
- 38:49axle and that was where
- 38:51I was getting confused.
- 38:52So you loosen the U-bolts holding the
- 38:56axle to the leaf springs
- 38:57so that you can rotate it.
- 38:59And then when you jack, the jacking up of
- 39:01the axle has to do with rotating the
- 39:03pumpkin up so that
- 39:05you can match the angle.
- 39:05Or I guess down, but probably it's going
- 39:07to be up so you can get the same angle.
- 39:11And then once you've got it eyeballed or
- 39:14measured, now you do the same subtraction
- 39:16and now you know what shim size you need
- 39:18to get to go in between
- 39:20there to do the straight shot.
- 39:21The fat part goes to
- 39:22the front, always on this.
- 39:24Right.
- 39:24And then you bolt it all up, bolt your
- 39:27drive shaft in and as long as it's within
- 39:30two or three degrees,
- 39:31it's not going to vibrate.
- 39:32Gotcha.
- 39:33Now I have found several vehicles when my
- 39:36son and I were
- 39:37looking for a Jeep for him.
- 39:39You know, we got on Craig's list and we
- 39:41went looking at various Jeeps and we
- 39:43looked at two Jeeps that were lifted and
- 39:47both of them had slip yoke eliminators or
- 39:51you know, some kind of CV set up and
- 39:53neither one of them
- 39:54had tipped the pinion up.
- 39:55So the drive shafts just vibrated like
- 39:58crazy at about 50 miles an hour, you
- 40:01know, and he was a
- 40:01little concerned about that.
- 40:02I said, don't worry about it, son.
- 40:04We can fix this in about 10 minutes.
- 40:06But we didn't end up
- 40:07getting either one of those.
- 40:08But it's very common to put one of those
- 40:12in and get the pinion angle right.
- 40:14And if you don't get it
- 40:15right, it will vibrate.
- 40:17It will vibrate worse than if you had
- 40:18kept your stock driveline.
- 40:20Yeah, it makes sense.
- 40:22Okie dokie, you've got a
- 40:22few other pictures here.
- 40:23Is that another another direction you
- 40:26want to go or something you want to add?
- 40:28Okay, I'm I'm ready
- 40:29to entertain questions.
- 40:31Okay.
- 40:32So guys, do you have any questions for
- 40:34Steve 4.3 LXJ on how to set
- 40:37up the drive angle on your XJ?
- 40:39Looks like there's
- 40:40conversations going on.
- 40:42Let's see.
- 40:43Scott XJ4IV says, Oh, me, me, me.
- 40:46Yeah, he's asking
- 40:48about a 1310 yoke for a 16.
- 40:50No, I don't think they do.
- 40:51So you guys ask away.
- 40:53You don't have to you
- 40:54don't have to wait to ask.
- 40:55You got questions.
- 40:55Ask him.
- 40:56I'll just say while we're waiting for a
- 40:58question that Steve is a
- 41:01moderator and one of our
- 41:02technical experts on XJtalk.com.
- 41:06And of course, if you've read the new
- 41:09disclaimer, XJtalk.com information is for
- 41:12entertainment purposes only.
- 41:13You take the full responsibility for any
- 41:15modifications that you
- 41:16make to your Jeep, not us.
- 41:19Weldman says, What about offset U-joint
- 41:21for Scott's problem?
- 41:23Offset U-joints?
- 41:26What's Scott's problem?
- 41:28I think I guess this is in relation to
- 41:32they make a 13 yoke for the 60.
- 41:35Oh, the 13.
- 41:36Yeah, there is an offset U-joint, but
- 41:38they're as far as I know,
- 41:39they're only for front axles.
- 41:42Let's see.
- 41:44Detour says, I have nothing.
- 41:46Not even smart, but
- 41:49that's pretty unusual when detour says I
- 41:51have anything to talk about.
- 41:53What I would do if I was XJ4IV, what I
- 41:58would do is have my drives
- 42:00take my stock drive shaft
- 42:01down and just have a different end put on
- 42:04it, a 1350 or whatever
- 42:06it is and that he has,
- 42:08you can get a 1330 if you want, if you
- 42:09don't want to go so big.
- 42:11So Scott says in the chat room, I'm
- 42:13trying to that's XJ4IV.
- 42:15I'm trying to avoid buying
- 42:17new drive shafts right now.
- 42:18So I'm saying, yes, Steve is saying that
- 42:23take the drive shaft
- 42:24down and have a different
- 42:24input on it so you can use the same drive
- 42:27shaft and still have it made up with the
- 42:29Dana 60 yoke.
- 42:30Yes, a lot cheaper than
- 42:32buying a whole new shaft.
- 42:33Let's see, big Jim, I want to know why I
- 42:35have no vibes when I set
- 42:36my drive line angles like
- 42:38you would for a CV drive shaft when I
- 42:41have no CV drive shaft.
- 42:44I don't know.
- 42:45No CV.
- 42:46I'll start making some measurements.
- 42:48You may just be within
- 42:49that five degree window.
- 42:50Yeah, Jim, why don't you check the angle
- 42:52finder and see what the angles are.
- 42:55That might answer our question.
- 42:57I mean, if you're within, what is it,
- 42:59Steve, less than six
- 43:00degrees you need to be to not
- 43:01have vibrations?
- 43:03Yeah, less than six,
- 43:04preferably less than five.
- 43:05And Scott, XJ4IV says, would that be a
- 43:09weak point having the
- 43:10drive shafts stay stock size?
- 43:13I guess that would be
- 43:14putting the new end on it.
- 43:16No, it's not going to make it
- 43:18any weaker than it already is.
- 43:20I would think that if you have Dana 60s
- 43:22and you use the standard
- 43:24drive shafts, your weak
- 43:25point is going to be probably the
- 43:27transfer case at that point.
- 43:29Yeah, probably so.
- 43:30Is running a 231 a good idea
- 43:33on a Dana 60 using two Dana 60s?
- 43:36It's done all the time?
- 43:37Okay.
- 43:38Yeah, it's not a big deal to run a 231.
- 43:41I mean, it's not like running a 241 OR or
- 43:45anything like that,
- 43:46but it's not that big a
- 43:47deal.
- 43:47A lot of people do it.
- 43:48That's amazing.
- 43:50I would, the 231 and the 242, both, you
- 43:54know, with the chain
- 43:55drive and it just doesn't look
- 43:57like it could handle that much hump.
- 43:59But I guess it's not that way.
- 44:02It's not the differential, it's the tires
- 44:04and lockers and the
- 44:07kind of terrain you have.
- 44:09Right.
- 44:09How much torque you're putting on it?
- 44:11Right.
- 44:12That's the deciding factor.
- 44:14You're going to put 38 inch tires on
- 44:16lockers and hit the rocks.
- 44:18That 231 may not last all that long.
- 44:20You were going to go with 30s on 30 inch
- 44:23tires on those Dana
- 44:2460s, weren't you Scott?
- 44:25I think he was going
- 44:26for the low rider look.
- 44:2930s would be definitely a low rider.
- 44:32That would be a pumpkin dragger.
- 44:35Yeah, we could go off crawling with that.
- 44:40Yeah, 38.
- 44:41Oh, 38 crawler TAs.
- 44:43Right.
- 44:43Those are pretty.
- 44:44And I don't think you would have lockers
- 44:46at first, would you Scott?
- 44:48Yeah.
- 44:49Very, very expensive.
- 44:50That's okay.
- 44:51You'll have a house that you
- 44:52can sell to pay for all this.
- 44:53I said he's going to
- 44:54have lockers right away.
- 44:55Well, you know, as long as he stays out
- 44:57of the rocks, you guys are
- 44:58mainly mud down there anyway.
- 45:01He doesn't like the mud.
- 45:02He doesn't like mud.
- 45:03He doesn't like mud.
- 45:04He hates mud.
- 45:07Yeah.
- 45:07Okay.
- 45:08513 gears and lock.
- 45:10He's a little bit rock and
- 45:11roll and I'm a little bit country.
- 45:13I'm sorry.
- 45:14I misread that.
- 45:14He says I'm a rocker.
- 45:15Yeah.
- 45:16Yeah.
- 45:17Yeah. And he's not referring to music.
- 45:21I agree, Jim.
- 45:22Well, if we don't have any other
- 45:23questions, we can move on to
- 45:25leaf spring design if you want.
- 45:26Okay.
- 45:27So I would assume that would be the
- 45:28picture with leaf spring.
- 45:29Yeah.
- 45:29There's only two
- 45:30pictures here at leaf springs.
- 45:31Yep.
- 45:32Okay.
- 45:32I've got the number eight up.
- 45:34It looks like somebody's been doing some
- 45:36cutting here and I'm
- 45:37not talking about an emo.
- 45:39So what are we looking at, Steve?
- 45:40Okay.
- 45:41First picture here is just a
- 45:44spring, a two-stage spring.
- 45:48This particular one is an exusu spring.
- 45:50But when I took it apart here, the thing
- 45:52that I wanted to draw your attention to
- 45:55is that you see that just sitting there,
- 45:57there's space between the leaves.
- 45:58There's a term for that.
- 46:00It's called snap.
- 46:01And a properly designed leaf spring is
- 46:05going to have a little bit of snap, at
- 46:07least an eighth of an
- 46:08inch between leaves.
- 46:09So when you're making a back pack up, you
- 46:12want to make sure that
- 46:13the spring is like that.
- 46:15There's a little snap between each leaf.
- 46:19It's not the end of
- 46:20the world if you don't.
- 46:21But what that does is ensure that you
- 46:24have a nice, even rate on your spring.
- 46:27If you've got leaves in there that are
- 46:30different arch, so if you've got some
- 46:34that are high arched, you've got some in
- 46:35the middle that aren't, and then maybe a
- 46:38high arch underneath it, it's not going
- 46:41to have a nice, smooth spring rate.
- 46:43It's going to have kind
- 46:44of a funny spring rate.
- 46:46And in order for it to act like a stock
- 46:49spring would, like you're used to, it
- 46:51needs to have these characteristics.
- 46:53So when we make a back pack, now you're
- 46:57going to put these springs on up against
- 46:59a main leaf, an XJ main leaf.
- 47:01The XJ main leaf only has
- 47:02four inches of free arch.
- 47:04So it has a lot of
- 47:05distance there, which is okay.
- 47:07It'll still work like it's supposed to.
- 47:10And so the next question is, do you want
- 47:13to have a single stage
- 47:15spring or a two stage spring?
- 47:17Now single stage is
- 47:18what came on the Cherokee.
- 47:19That means that all the leaves have about
- 47:21the same arch and they're
- 47:25in four different lengths.
- 47:26And so a single stage spring, the stage
- 47:30refers to the spring rate.
- 47:32So it's got a constant
- 47:33spring rate when you push on it.
- 47:36And the single stage spring has the most
- 47:40flex that you can build into it, which
- 47:43may be what you want.
- 47:44This is the kind of a spring that's going
- 47:46to stuff up into the
- 47:47fender well very well.
- 47:49And in fact, on my own, I set mine up
- 47:53with a single stage
- 47:53spring with these leaves in,
- 47:55and I can stuff the tire all the way up
- 47:57into the fender well and hit the bump
- 47:59stop that I've extended a little bit.
- 48:01And so let's go to the next
- 48:04picture there if we can, Tony.
- 48:06Okay. Got it up.
- 48:07What's the difference between these two?
- 48:09This one looks like it's put together.
- 48:10Yeah. Well, this is actually the same
- 48:12spring, but you notice there's a, I
- 48:14haven't got the picture yet, but there's
- 48:15a flat leaf on the bottom.
- 48:17Right.
- 48:18Okay. This is called a two stage spring.
- 48:20Oh, I think I'm understanding now.
- 48:23Okay.
- 48:24What that means is, is that you've got a
- 48:27single stage on the top there, those top
- 48:29leaves, and as you press them down,
- 48:32they'll come to the point where they hit
- 48:35that bottom leaf there.
- 48:37And it's pretty thick and heavy.
- 48:38And this type of spring is the type that
- 48:42you get on a pickup or a, or a, they,
- 48:46they're real common on S10s.
- 48:47You get an S10
- 48:48spring, they look like this.
- 48:50And what they will do is once that those
- 48:55leaf springs go flat on that, that tough
- 48:58bottom leaf there, they
- 48:59don't move much further.
- 49:00So if you're making a pack, the point
- 49:03here is that if you don't want your tire
- 49:07to stuff way up into
- 49:08the fender well, this is the kind of
- 49:10spring that you would use because it's
- 49:12not going to bend over backwards on you.
- 49:15Right.
- 49:15I see somebody saying overload.
- 49:17That's really not an overload spring, but
- 49:19everybody calls it one.
- 49:21See Weldman and XJ4IV
- 49:24have both used that word.
- 49:26It's really the common, the proper term
- 49:28is the second stage, but a real overload
- 49:32spring is a spring that goes on the top.
- 49:35Well, that's interesting.
- 49:36So anyway, those, we
- 49:38only put those on pickups.
- 49:39We don't put those on XJs.
- 49:41So I would think in this configuration,
- 49:43this would be, the only reason you'd want
- 49:45to do this is if you didn't want to
- 49:46modify the bump stops on your XJ.
- 49:49That if you're off-roading your XJ, the
- 49:52single stage spring only and proper,
- 49:57properly lengthened bump stops would be
- 49:59the way you'd want to go.
- 50:00Yeah.
- 50:00Or if you're carrying a lot of gear all
- 50:02the time, there's a lot of fellows that
- 50:05they've got four or 500 pounds of tools
- 50:07in the back of their spare
- 50:09parts in the back of their XJ.
- 50:10So this would be a good design for that
- 50:13kind of a situation.
- 50:15Both springs ride well.
- 50:17This is a way, this particular design
- 50:20with a two-stage spring is the way to
- 50:22have a spring that'll carry a pretty good
- 50:25load, yet still have a
- 50:27decent ride on the highway.
- 50:29And so they've used that design for years
- 50:32on all kinds of vehicles.
- 50:34Gotcha.
- 50:35So, but anyway, that's the difference.
- 50:37And so before you set up your pack, you
- 50:40need to answer the questions.
- 50:42What do I want my spring to do?
- 50:43What kind of load do I want it to carry
- 50:45and how much do I want it to flex?
- 50:47And that'll determine whether you use a
- 50:49single stage or a two-stage spring.
- 50:51What are you using on yours?
- 50:53But I'm using a single stage on mine.
- 50:55Okay.
- 50:56That's what I thought you said, but I
- 50:57just want to make sure.
- 50:58This two-stage spring that you took a
- 51:01picture of, what was, was that just
- 51:03something you took a picture of for
- 51:04demonstration purposes or are you using
- 51:06this on a different vehicle?
- 51:08Yeah.
- 51:09If you, if you check my thread, the
- 51:11perfect pack, maybe, I have pictures of
- 51:15it when I was setting it up.
- 51:17Okay.
- 51:17And I still have the same setup.
- 51:19It's, it's a four leaf spring.
- 51:21I use the XJ main leaf.
- 51:24I used the number two and number three
- 51:26leaf out of this Isuzu spring.
- 51:28And then I took the main leaf and I cut
- 51:29it down to 22 inches, 11 inches on the
- 51:33side, I believe, for the bottom leaf.
- 51:35Okay.
- 51:36And it rides nice.
- 51:38It, it has a similar spring rate to the
- 51:41stock spring, only it
- 51:42has a six inch lift on it.
- 51:45Okay.
- 51:45Well, guys, we're running a little bit
- 51:46over an hour tonight.
- 51:48Just, just a few minutes and we'll be,
- 51:51we'll be wrapping this up pretty soon.
- 51:53Um, did anybody have any questions for
- 51:55the, the, the leaf spring, different
- 51:57leaf, leaf spring setups?
- 51:59It looks like it's pretty clear to me.
- 52:01Yeah.
- 52:01Uh, Weldman has an interesting question.
- 52:04He's got an S10 and he did not use the
- 52:07overload or the bottom flat leaf.
- 52:09Uh, he probably put, uh, uh, the main
- 52:13leaf underneath his, uh, uh, under hit,
- 52:17you know, cut the eyes off and put it
- 52:19under his main leaf.
- 52:20If he takes that out, it'll soften it up.
- 52:22It'll also lower it a little bit.
- 52:24So I noticed that I, I used all the
- 52:26leaves on an S10 spring.
- 52:28It was pretty stiff.
- 52:29Okay.
- 52:29Anybody else questions for Steve?
- 52:31Does he got three and a
- 52:32half inches out of the S10?
- 52:34That's typical for an S10 pack.
- 52:38You have too much knowledge about two
- 52:39different, two mini cars, Steve.
- 52:43Uh, actually for IV said he's got four
- 52:46and a half off the Dakota Springs.
- 52:47That's another one that you could use.
- 52:49That's typical.
- 52:50Another one that would work nice for a
- 52:52good setup is a Comanche Springs.
- 52:55They have quite a bit of arch in them.
- 52:56Uh, they would be fun to play with.
- 52:58I haven't played with any of those, but,
- 52:59uh, uh, maybe someday I will.
- 53:02Are those different because, um, the
- 53:04nature of the Comanche is a pickup and
- 53:06they wanted to have the
- 53:08Comanche springs go under the axle
- 53:10instead of over the top.
- 53:12So, uh, they have to have another five or
- 53:16so inches of arch in them
- 53:17just to sit in the same spot.
- 53:19Ah, okay.
- 53:20So, uh, they have
- 53:21that extra arch in them.
- 53:23Weldman says, what about
- 53:24Ranger Springs long box?
- 53:26Uh, I've looked at Ranger Springs.
- 53:28I wasn't real impressed
- 53:30with the Ranger Springs.
- 53:31Um, if, if you're going to use that
- 53:34particular spring, I, I used the AsooZoo
- 53:37before I used the
- 53:38Ranger spring personally.
- 53:39Okay, guys.
- 53:40Any other questions for Steve?
- 53:42Yeah.
- 53:42You got any questions guys?
- 53:44Oh, are there, is there a difference?
- 53:46Manufacturers were looking at to decide
- 53:49between spring over and spring under.
- 53:51Um, that's a good question.
- 53:53Um, if you, if you want something really
- 53:55tough and you know, you want to use a
- 53:59spring under, um, it doesn't put as much,
- 54:02uh, torsion on the,
- 54:05uh, uh, spring itself.
- 54:06If you hit a bump or something like that,
- 54:07it doesn't, uh, doesn't twist as much.
- 54:10So you don't, uh, uh, get
- 54:12any axle wrap out of it.
- 54:14So that, that's one of the, the, the
- 54:16things that they do is they'll put the
- 54:17spring under instead of over and cheaps
- 54:19for years and years and
- 54:20years were always spring under.
- 54:22Oh, one of the common things that I've
- 54:23heard, uh, you do not want to use blocks
- 54:26to lift, um, the rear end of a Jeep
- 54:30because actually that can occur since the
- 54:33leaf springs are not that, um, not that
- 54:36thick, not that, um, they can't handle
- 54:38the, the, the wrapping.
- 54:40If you have a lift it with a block,
- 54:42that's what I've heard.
- 54:44Yeah.
- 54:44Um, that's pretty much the
- 54:46case with a stock spring.
- 54:47Our stock XJ Springs are kind of wimpy
- 54:51and, uh, you really don't want to use,
- 54:55uh, too much of a block.
- 54:57You can use an inch
- 54:58block, an inch thick block.
- 55:00That's not going to hurt anything, but
- 55:01you start going two inches on our stock
- 55:03springs and, and yeah, you can, you know,
- 55:06it's possible to, uh, pull a drive shaft.
- 55:09It was flipped yelts out of the transfer
- 55:10case and stuff like that.
- 55:11Yeah.
- 55:12And I would assume that would be like
- 55:13what you would get with wheel hop and the
- 55:15whole reason that, um, yeah, I had a low
- 55:19range wheel hop with, you
- 55:21know, could do that kind of thing.
- 55:23I mean, that would be the symptom I would
- 55:25assume would be like a wheel hop when,
- 55:28when you, if you felt the wrap, it would
- 55:29be like a wheel hop situation.
- 55:31Yeah.
- 55:31Or if you, uh, stuck it in low range and
- 55:34in reverse and, uh, dump clutch and, you
- 55:37know, that kind of thing.
- 55:38Gotcha.
- 55:39You could enough to
- 55:40maybe pull a drive shaft out.
- 55:43Okay.
- 55:43Doki is okay.
- 55:46Uh, just don't go to two.
- 55:48Right.
- 55:49Excellent.
- 55:50Yeah.
- 55:50To me, a one inch block is, is something
- 55:52you do for a tune up.
- 55:53You know, that's, that's, uh, when you're
- 55:55using a bastard pack and you put your
- 55:56front coils on and your Jeep doesn't
- 55:59quite sit high enough and back.
- 56:01Uh, you can stick the
- 56:03one inch block in there.
- 56:04The best way to do that is to, uh, make
- 56:07some two and a half inch by half inch bar
- 56:10stock and cut them the same length as
- 56:12the, uh, spring pads on the axle and
- 56:15drill a hole in the center of them.
- 56:17So that your center
- 56:17bolt goes through them too.
- 56:19So you just don't have a
- 56:20block flopping around there.
- 56:22Excellent.
- 56:23Well, guys, we're going
- 56:24to wrap it up tonight.
- 56:25Steve, thank you very much.
- 56:26I'm going to take you offline here and
- 56:28I'll get back with you here
- 56:29just as soon as the show's over.
- 56:34Okay, guys, well, that
- 56:36was, uh, that's our hour show.
- 56:38I hope you enjoyed it.
- 56:39Uh, we went a little over, but, uh, some
- 56:41great information from Steve.
- 56:42Uh, really appreciate Steve being here
- 56:44and going through all this stuff.
- 56:46Um, I know I personally understand how to
- 56:48set the drive angle a lot better.
- 56:50I may still have to think about it while
- 56:51I'm doing it, but, uh, now it
- 56:53just makes a lot more sense.
- 56:55Um, I think that it was the, the
- 56:56difference between the, the, the double,
- 56:59you know, with the having the SYE or not
- 57:02having the SYE and why
- 57:04is this one straight?
- 57:06Why is this one angled?
- 57:07It just doesn't look like it matches up
- 57:09with common, common sense.
- 57:12At least that's the way it was from me.
- 57:14So, uh, want to remind you guys that we
- 57:17have a voicemail
- 57:18number that you can call in.
- 57:19And, uh, if you have questions or
- 57:21comments, uh, also doing show promos, if
- 57:25you'll call into 530-675-4102, uh, and
- 57:30leave a message, um, just, uh, might want
- 57:33to start off with, uh, who you are and
- 57:35where you're located and then your
- 57:37comment or question.
- 57:38Again, the number's 530-675-4102.
- 57:44And don't forget about Ironman 4x4.
- 57:46Um, some great front end beefy products.
- 57:50And, uh, many of you guys
- 57:51know Andy from the website.
- 57:53Uh, anybody listening, if you're looking
- 57:54for some great products, not only for the
- 57:57XJ, but also too for,
- 57:59uh, various other Jeeps.
- 58:00Just go to the site, uh,
- 58:02Ironman4x4fab.com and check it out.
- 58:07Thanks again, guys.
- 58:08Have a very good night.
- 58:09Next week we'll have Wayne Cantab 27 and
- 58:13he'll be here for, uh, questions after
- 58:16his prerecorded interview.
- 58:18Thanks and have a very good night.
- 58:50This is Big Jim 350 and I
- 58:53f***ing love XJTalk.com.