ok a friend of mine has a 91 xj with a 6.5 in lift and 35's on it and we were going riding today and it started the death wobble. it was the damndest thing ive ever seen and im kind clueless about it. at about 30mph is when it done it and while i was beside him the tires looked to me to be bouncing front to back not up and down. im not sure what lift kit is on it but it has aftermarket tube lowers and a brand new adj. track bar. any ideas would be greatly appreciated, thanks

 

does he have a stock track bar and is there a slip yoke still on it or a s.y.e.

 

i would first check the track bar alot of them arent any better then the factory ones if it has a ball joint end its pretty much junk with those size tire and also check to make sure control arms are tight they do work themselves loose after a while exspecialy with new bushings and whatnot and also check all other steering components

 

its an aftermarket adj. one and no its stock driveshafts front and rear with no s.y.e.

 

the track bar is from rusty's but i think its the tie rod style one if im not mistaken. i will go by there and check the uppers and lowers tomorrow to see if there loose or have bad bushings