Pinion Angle
Pinion Angle
My truck has 6" of suspension lift. I'm looking for shims or anything to straighten out the drive line angle before I start taking out pinion bearings and whatnot. The pinion angle isn't bad enough to make it shimmy, or maybe it does and I don't notice it with the Swappers Boggers on it.
Anybody know where to pick something like this up?

Anybody know where to pick something like this up?
I've ordered from Off road unlimited before for different shims.. I think the biggest is like 5 or 6 degrees... Maybe if your trying to find something local, call around to a few spring shops... I have a pair of 5 degree ones I think.. THey are like .5" at the tall side if your interested... What axle are you most concerned with? Or are you having issues with both.. The optimum is about 3-4 degrees offset from the yoke angle to the driveshaft angle..."Hence in a perfect world" You will never get that with the front shaft and 6" of lift... But in the rear it is possible..
Basically you have to make a call when you start going with big lifts...
You either have the angles perfect and your u-joints last forever and starve your pinion bearings of the neccessary fluid.. Or keep the pinion angle decent and suffer with u-joint problems over time... It is a tough call...
Basically you have to make a call when you start going with big lifts...
You either have the angles perfect and your u-joints last forever and starve your pinion bearings of the neccessary fluid.. Or keep the pinion angle decent and suffer with u-joint problems over time... It is a tough call...
I am more concerned with the rear, it seems to be the at a more extreme angle than the front. I would just like to take a couple degrees out of it, just for comfort in my head if you know what I mean. Just feel better if I can try to prevent quick deterioration of driveline parts. I would like to even up both axles, since they both do have pretty good angles to them. I can snap a couple pics and post them up on here and see what you think. Thanks.
do not use the aluminum cheap ones you get from skjacker or any other lift manufacturer. use steel ones from oru as already suggested. i have seen many broken ones. in theory the ubolts are tight enough that if the shim should break it may or may not slide out. but if you use steel shims you can skip the worry altogether. just my two cents
you cant mess too much with tilting the front axle cause it screws with the steering. I've got the shims that came with the lift up front now, but i wouldn't want to do any more, there's hardly any caster now. I guess you could always cut the knuckles off and rotate them, but thats a little extreme.
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