I have a Jeep cherokee xj 1998

front 2.5" spacer lift
rear 2" extended shackles plus 1" block lift

had some vibrations so i put on a 1" transfer case drop (because it was cheap and easy)
it helped a lot but i am still getting some vibes.

I am thinking the shackles are pitching my angle up to high.

1 - Can i do away with the tcase drop and just go with axel shims?
2- And what degree shim would you use on a 3" lift. Taking into account i am pitching up from the shackles.

I would love new leaf spring or drive line ect but just cant right now. So just hoping for a simple solution right now. If i had to do it over i would have waited and got the higher dollar kit that had new leafs and shocks etc.

 

4 degree shims should do the trick. ideally you want a -1 to -2 degree angle to account for pinion climb.

 

thank you