Join Date: Mar 2003
Location: Columbus, OH
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Re: anyone use shims for pinion angle?
I used 6 deg shims on my CJ7 with RE 4.5 ED lift. I did not lower my transfer case but did use a CV driveshaft. My rear pinion is pointed just below my transfer case.
If you are not running a CV driveshaft, you should ensure that your pinion points slightly below parallel to the output of your transfer case.
You might consider switching to a CV shaft if you are having vibration problems.