78 cj5 vibration

shane78 · 03-26-2008, 05:52 PM

i have recently built a cj5 it has a 2 inch suspension lift, and the guy that had it before me put the axles on the bottom of the leaf springs,it has a terrible vibration between 15 and 40 mph that wont go away is it because of the lift?

HackFabrication · 03-26-2008, 06:06 PM

Quote:

Originally Posted by shane78

... the guy that had it before me put the axles on the bottom of the leaf springs...

Eh? SOA (spring over axle)? 2" lift spring on a SOA will yeild almost 8" of total lift. No wonder it vibrates. I won't be doing a lot of driving because you're gonna trash your u-joints. Sounds like you either need to go SUA (spring under axle), or get a CV 'extreme angle' driveshaft.

03-26-2008, 05:52 PM	#1
shane78 Registered Join Date: Mar 2008 Posts: 1 Thanks: 0 Thanked 0 Times in 0 Posts	78 cj5 vibration i have recently built a cj5 it has a 2 inch suspension lift, and the guy that had it before me put the axles on the bottom of the leaf springs,it has a terrible vibration between 15 and 40 mph that wont go away is it because of the lift?

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