Originally Posted by s2krazyyy

I am curious to see the improvement on the sub-frame movement with the Z1 sub-frame collars installed+this mod. My diff bushing is shot and I dont have the time or money right now to to replace them. I did however get some Z1 sub-frame collars for Christmas and installed them on Monday and definitely noticed the rear doesnt shake as much as it used to. Will be doing this mod sometime next week thanks again to the OP for the info!!