i know we've been over this question before, but. I've replaced shocks, bushings ( not the axle pivot bushings yet ), ball joints, and packed and torqued the bearings. Could i need my tires reballenced. Symptoms: 65mph 3000+ rpm no vibrate. 70+mph 2000+ rpm front passinger side has an annoying bounce/vibrate. The tires only have 10000 on them.