i have a 1992 rs camaro,the problem iam having is this ,the right side tire keeps wearing out on the outside of the tire,i had the alingment checked 2 times.i have all new ball joints, new rotor, new rotor bearings,new lower control arm bushings nothing helps after 500 miles the tire is all worn down on the outside edge . the rest of the tire look brand new.i've had it checked 2 times at my local front end guy he is stumped to, can anyone help . i'am tired of buying a new tire every 500 600 miles. any suggestions would help.thanks