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Old 01-04-2011, 07:26 AM   #376 (permalink)
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No I understand that its just an angle, but if you correct it not only in the "up/down" plain but also the "side to side" plain......you align the pinion to the shaft....negating the angle.

So if you are saying is that the u-joint at the pinion could run at any angle and because of the double cardan at the t-case.....there will be no vibes? I think the reason that they aren't seeing any vibes is because correcting the pinion in one plain.......still leaves the u-joint at the pinion operating at an angle where the acceleration and deceleration of the yokes is not noticeable. Similar to the feed back you feel when you turn tight in a 4wd with u-joint style front steering shafts.

What ever it is I am glad to see a completed truck and a sweet one at that. I would just make sure that the u-joint at the front pinion is well lubed since it looks to be turning all the time.
I think the best way to simplify this for anyone wondering how to handle more extreme pinion angles (which is common in the 4X4 crowd) is that a double cardan at the t-case gives you a lot of flexibilty at the dif pinion.

As far as correcting one plane, that's fine but you need to do the trig to see what the combined angle is to know if you are running a u-joint at too steep of an angle. As said, it rotates so there is only the magnitude of the angle that matters.

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Old 01-04-2011, 08:44 AM   #377 (permalink)
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I'm going to have to learn to wheel it all over again...It's tall, but luckily the rear is still a bit higher than the front so visibility is about the same.

It felt good. Wayne did a great job on the program.

The combination of gears/tires is perfect, now I can't wait to get it out on the freeway to see how that has changed.

It's just tall enough I don't need a step to get in when I'm wearing jeans and boots, but I wouldn't be able to do it in a skirt or heels, so Rick said he would make some detachable steps for me.

Jeff made the rear bump stops for it last night, we still need to install the rear shocks. I can't tell you how funny the truck felt with no sway bars and no rear shocks, total hooptie LOL

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Old 01-04-2011, 09:56 AM   #378 (permalink)
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I know we have all seen the pics during the build and all but is it wrong that I got a bit excited watching the video with it moving under it's own power
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Old 01-04-2011, 10:04 AM   #379 (permalink)
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Nah, I had such an adrenaline rush after driving it, I had noodle legs. I had to sit down....
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Old 01-04-2011, 11:45 AM   #380 (permalink)
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Sweet Rig Bebe, I am glad you got it done, lnow we just need to see if your driving skills can keep up with your rig
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Old 01-04-2011, 03:58 PM   #381 (permalink)
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Quote:
Originally Posted by CartsXJ View Post
No I understand that its just an angle, but if you correct it not only in the "up/down" plain but also the "side to side" plain......you align the pinion to the shaft....negating the angle.

So if you are saying is that the u-joint at the pinion could run at any angle and because of the double cardan at the t-case.....there will be no vibes? I think the reason that they aren't seeing any vibes is because correcting the pinion in one plain.......still leaves the u-joint at the pinion operating at an angle where the acceleration and deceleration of the yokes is not noticeable. Similar to the feed back you feel when you turn tight in a 4wd with u-joint style front steering shafts.

What ever it is I am glad to see a completed truck and a sweet one at that. I would just make sure that the u-joint at the front pinion is well lubed since it looks to be turning all the time.
Are you talking standard issue, I live on flat land, vanilla, plain? Or PLANE?

c/v's on both ends!
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Old 01-04-2011, 04:02 PM   #382 (permalink)
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Are you talking standard issue, I live on flat land, vanilla, plain? Or PLANE?

c/v's on both ends!
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Old 01-04-2011, 04:09 PM   #383 (permalink)
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Thanks

Get it out on the freeway and see if that hunting issue is gone now

Yeah, I can get more power, but the biggest thing I'm proud of is my tranny setups I really like how/when they shift.... Seemless when light throttle, but quick and firm with full throttle.
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Old 01-04-2011, 04:41 PM   #384 (permalink)
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Congratulations Bebe! I can only imagine how excited you are to run this thing on a trail. Anything that's exciting enough to make you weak in the knees is worth every penny. Moments like that is what life is all about.
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Old 01-04-2011, 04:47 PM   #385 (permalink)
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Thanks I am excited, and for now all we have is snow wheeling until KOH. But, I can wait, need to get some good testing on it before I hit Fordyce this spring
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Old 01-04-2011, 05:18 PM   #386 (permalink)
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Snow wheeling... or road trip to Arizona.
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Old 01-04-2011, 07:25 PM   #387 (permalink)
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Sweet build guys!

Glad to see a cool IFS build on the ground and running.

Looking at the front steering setup, I was wondering how the bump steer came out. I'm used to seeing tie rods longer than the lower a-arm and swinging nearly the same arc. I notice the tie rods look really short. Maybe just due to the amount of travel?
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Old 01-04-2011, 08:06 PM   #388 (permalink)
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Are you talking standard issue, I live on flat land, vanilla, plain? Or PLANE?

c/v's on both ends!
I am an engineer, not an english major There's no spell check in the reply box

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Old 01-04-2011, 09:16 PM   #389 (permalink)
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Absolutely outstanding work.

Congratulations Bebe... Time to take it out and thrash it.
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Old 01-04-2011, 09:31 PM   #390 (permalink)
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Great to see it rolling under it's own power Bebe! Can't wait for a driving report and some RTI / wheelin' pix next.
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Old 01-05-2011, 05:47 AM   #391 (permalink)
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It's just tall enough I don't need a step to get in when I'm wearing jeans and boots, but I wouldn't be able to do it in a skirt or heels, so Rick said he would make some detachable steps for me.
So how much higher did you end up going? Was surprised when talking with Recon about his months ago that his overall height isn't that much more than mine.

BTW, saw the first episode of the 2010 Top Truck Challenge at Hollister this past weekend and swore I saw Rick in one of the shots, did you guys go?
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Old 01-05-2011, 07:58 AM   #392 (permalink)
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No we weren't at TTT. We had a lot of friends there tho.

I haven't measured, but it's supposed to be 5 1/2 inches. I do know that my frame in the center of the truck is now 23" from the ground.
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Old 01-05-2011, 02:01 PM   #393 (permalink)
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Nice IFS build.

So when will "Part Two...Independent Rear Suspension" take place?
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Old 01-05-2011, 02:09 PM   #394 (permalink)
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Nice IFS build.

So when will "Part Two...Independent Rear Suspension" take place?
I was thinking the same thing Rear should be much easier. You could even use the factory diff and electronics even if I wouldn't suggest it.
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Old 01-05-2011, 06:57 PM   #395 (permalink)
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I think we'll try that on the race car first
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Old 01-05-2011, 08:29 PM   #396 (permalink)
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Ordering new springs, we had originally gone with 10" 2.5/500's over 14" 2.5/650's....after spending some time on the phone with Tommy at Poly this afternoon , we are ordering 8" 2.5/550's over 16" 2.5/650's.

Thanks Tommy - keep your fingers crossed
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Old 01-06-2011, 05:28 AM   #397 (permalink)
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I haven't measured, but it's supposed to be 5 1/2 inches. I do know that my frame in the center of the truck is now 23" from the ground.
You are probably right in there on the 5 1/2 inches. As I recall you were at least an inch higher than me with the spring over in the rear and a quick measurement last night put my frame in about the center of the truck at 16 1/2 inches. You have 1 1/2 inches from the tires and 4-5 inches with the suspension. It's definitely taller but for the gains you have achieved it's really not that much of a difference.
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Old 01-09-2011, 12:47 PM   #398 (permalink)
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Getting the custom CAT back today!!!
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Old 01-09-2011, 12:48 PM   #399 (permalink)
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Also, rear shock mounts and sway-bar mounts have been relocated, no body roll....gotta love it
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Old 01-10-2011, 10:53 AM   #400 (permalink)
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Are these XJ bumpstops?
Awesome build btw!
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