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post #1 of (permalink) Old 10-08-2002, 11:25 AM
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CV Shaft versus Normal drive shaft

I'm getting ready to swap in a T-18 in my CJ-7. I currently have a t-150 with 4" Skyjacker lift, and 33's. My Xfer case is lowered about 2". From 50-60 Mph I get a shimmy that is starting to wear on me. I'm seriously considering buying a used CV drive shaft I found to take care of the problem since I would have to have mine cut anyway. My question is, is a CV shaft as strong, stronger or weaker (everythong else being equal, tube thickness, ujoints, etc.) than a normal drive shaft? I
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post #2 of (permalink) Old 10-08-2002, 11:57 AM
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Re: CV Shaft versus Normal drive shaft

With only 4" of lift and your transfer case lowered 2", I'd bet your angles are just off. Even wranglers don't have much vibration with 2" of lift.
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post #3 of (permalink) Old 10-08-2002, 01:08 PM
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Re: CV Shaft versus Normal drive shaft

With the T18 in my SOA (plus an inch) CJ-7 I have no vibration problems with a standard rear shaft. Get the angles right and you should be okay with a non-cv shaft. On my CJ5 broke a few cv shafts, so went back to a standard shaft and lived with a little vibration.
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