Ok- just picked up a 1995 GMC Jimmy today and it drove around fine. On the way home (3 hour drive) I noticed that when accelerating then letting off the gas the rear of the jimmy moves side to side. The harder you accelerate then let off the more noticeable/violent it is. I had a similar problem with my mustang and it was the control arm bushings. Does it sound like it's the bushings in the leaf springs? I'm just trying to get more ideas of what to look for tomorrow when I tear into it. Thanks.