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Unread 05-09-2010, 11:07 AM   #1
Newjeep75
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Drive Shaft Twisted like a Beer Can? Check... PICS..

Hi guys, well this happened about 3 weeks ago. It's the stock Drive Shaft from my '86 CJ7. I blew the Shaft out while being an idiot doing a burn-out.

So I got a new Double Cardon CV, (Constant-velocity joint), Shaft from Curtis Tatton. Curtis made it for me in about a day. I have a 2 1/2 inch Suspension Lift and a 1 inch Body Lift. I spoke to Curtis on the phone personally and he told me that I wouldn't need any Leaf Spring Shims to get the correct angle to the Rear Diff.

So I measured from Yoke to Yoke like in the Pic below and it came out to 25 1/4 inches. Curtis told me that that is pretty standard for my truck's set-up, and he made the Shaft to that length.

So the new Shaft is now installed and there is no problem at all. The angle is perfect to the rear Diff with a straight bolt on job, and there are no vibrations at all, even at highway speeds.

I thought you guys would like to see the twisted Shaft, so here are some Pics of it. Very funny looking.

Todd.
















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Unread 05-09-2010, 11:12 AM   #2
KMD
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Save it for a spare.

Need pic of engine that did that. Glad you are up and running again.
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Unread 05-09-2010, 11:17 AM   #3
swatson454
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Nice work! No sense in half-@ssin' it!

Shawn

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Unread 05-09-2010, 11:35 AM   #4
Newjeep75
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Quote:
Originally Posted by r08ert209cali View Post
Save it for a spare.

Need pic of engine that did that. Glad you are up and running again.
I don't have a Pic of the engine, but it's just a stock 258, with a 2Bbl Weber Carb. I have 33s on 15x8s.

Todd.
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Unread 05-09-2010, 11:36 AM   #5
Newjeep75
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Originally Posted by swatson454 View Post
Nice work! No sense in half-@ssin' it!

Shawn
Thanks Shawn. But I have to say that I was more surprised than anyone that it happened.

Todd.
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Unread 05-09-2010, 12:20 PM   #6
Pacfanweb
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I did the exact same thing to my old 81 CJ-7 when I was in high school....probably around 1984. Removed it, and drove around on the front shaft until I found a replacement.

Same as you....tried to spin the tires, but with 3 friends in the Jeep with me. Fail.
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Unread 05-09-2010, 12:25 PM   #7
80cj
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You shouldn't have needed a CV shaft with only 2 1/2 inches of lift.
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Unread 05-09-2010, 12:29 PM   #8
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Quote:
Originally Posted by 80cj View Post
You shouldn't have needed a CV shaft with only 2 1/2 inches of lift.
Ah, I didn't read the post, just looked at the pics.

No, you did not need a CV shaft with that amount of lift.
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Unread 05-09-2010, 12:32 PM   #9
Newjeep75
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Quote:
Originally Posted by 80cj View Post
You shouldn't have needed a CV shaft with only 2 1/2 inches of lift.
I know, but I didn't want this to happen again and I thought that the upgraded Shaft would be better and last longer either way. Plus, who knows what I'm going to do to the Jeep in the future? I thought since I'm screwed now, why not just put in the Heavy Duty shaft now. It allows for a bigger Lift in the future if I want without having to upgrade the shaft at that time.

Todd.
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Unread 05-09-2010, 12:32 PM   #10
2doorxj
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WOW, when i went to do a burnout in my jeep (popped the clucth at 3k) the tail end of the shaft broke. I expected that the u joint would break first, but i guess not.
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Unread 05-09-2010, 12:33 PM   #11
deerhunter1911
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Holy twisted driveshaft batman! Dude, that's sick; i'd hang it on the wall in my garage glad you got the replacement/upgrade done already. that's friggin wicked!
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Unread 05-09-2010, 12:36 PM   #12
Newjeep75
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Quote:
Originally Posted by deerhunter1911 View Post
Holy twisted driveshaft batman! Dude, that's sick; i'd hang it on the wall in my garage glad you got the replacement/upgrade done already. that's friggin wicked!
Ya, I was going to toss it out. But now I'm thinking that I should sandblast it and paint up all nice and shiny like. Then when I'm really old, like next year, I can show all the kids that I was once a very cool guy, LOL.

Todd.
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Unread 05-09-2010, 12:36 PM   #13
Buffalo99
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Wow! That's impressive.

It's amazing what metal does when it reaches its failure limits.
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Unread 05-09-2010, 12:50 PM   #14
80cj
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Quote:
Originally Posted by Newjeep75 View Post
I know, but I didn't want this to happen again and I thought that the upgraded Shaft would be better and last longer either way. Plus, who knows what I'm going to do to the Jeep in the future? I thought since I'm screwed now, why not just put in the Heavy Duty shaft now. It allows for a bigger Lift in the future if I want without having to upgrade the shaft at that time.

Todd.
Great. It does require more maintenance since you have to keep the CV centering ball greased. I understand Tatton does great work for a reasonable price.
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Unread 05-09-2010, 01:00 PM   #15
Newjeep75
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Originally Posted by 80cj View Post
Great. It does require more maintenance since you have to keep the CV centering ball greased. I understand Tatton does great work for a reasonable price.
Hmmm, I didn't know that. Thanks for the tip. How often would I have to do that?

Todd.
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