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post #1 of (permalink) Old 08-31-2003, 03:26 PM Thread Starter
 
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drive shafts and tub liners

I came across what looks like a problem. I measured my Jeep for drive shafts, in the process I noticed the yoke on the 20 and the Yoke on the 300 are not lined up perfectly straight, I attached a pic. It looks like they are off by about an inch and a half. Ive checked the mounting of everything from the motor mounts, to cross member, to rear suspension, which, is a RE 2.5 inch extreme duty, to the shackles which are sitting straight and mounted correctly. Is this normal? The tranny is a 999 behind a 258. My thoughts are potential vibration and short u-joint life. Also, in the next pics are some shots of my box liner. Once the painting and clearing sat a few days, I masked off the complete outside of the tub and sprayed the liner, its the product made by Morton, luckily it comes in white. It sprayed (using an undercoating gun) fairly easy and set up nice. Shes coming along! Thanks for the help on the shafts! Rick
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post #2 of (permalink) Old 08-31-2003, 03:28 PM Thread Starter
 
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Re: drive shafts and tub liners

Shot of the liner.
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post #3 of (permalink) Old 08-31-2003, 03:30 PM
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Re: drive shafts and tub liners

thats nothing.........you can get away with 1" . I run a 3 "x35 degree compound angle on my 85 cj7 and i get no vibrations, but i am using a cv driveshaft, ive seen alot worse than what you have there and with a simple 2 joint shaft...good luck sounds like a fun project
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post #4 of (permalink) Old 08-31-2003, 03:30 PM Thread Starter
 
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Re: drive shafts and tub liners

One more of the liner. Rick
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post #5 of (permalink) Old 08-31-2003, 03:34 PM
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Re: drive shafts and tub liners

NICE TUB!!!!!!!!!
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post #6 of (permalink) Old 08-31-2003, 03:37 PM Thread Starter
 
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Re: drive shafts and tub liners

Thanks for the quick response! It's been a fun project! I've reached a point though, I just want it to be done, nice long weekend and i'm wrenching instead of wheeling!Rick
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post #7 of (permalink) Old 08-31-2003, 03:55 PM
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Re: drive shafts and tub liners

keep trucking.......when your done you wont want to wheel it.......LOL been there man, then you get a huge dent or scratch and you loosen up and the fun begins..LOL
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post #8 of (permalink) Old 09-02-2003, 10:08 AM
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Re: drive shafts and tub liners

</font><blockquote><font class="small">In reply to:</font><hr />
run a 3 "x35 degree compound angle on my 85 cj7 and i get no vibrations

[/ QUOTE ]

As long as your transfer case output shaft and axle pinion shaft are parallel, THERE IS NO COMPOUND ANGLE. You might have some horizontal and vertical offset, but your actual u-joint angles are still in a SINGLE plane, just not a vertical or horizontal plane. The plane they are in goes through the pinion shaft, driveshaft, and transfer case output shaft.

That said, my last axle had a 3" offset, 4" drop and was a 17" long driveshaft. It did not have a compound angle because the pinion and transfer case output are parallel.
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