you can do it. We've done it on a 78 malibu. Just watch the offset (or backsapcing) on a 15 by 8. With a 4.5 bs or 0mm offset the rim is very close to the ball joint. My avatar is 15 x 8 American Racing ansen sprints 4.5" B.S. with 245 60's on front. The backs are the same wheel but with 275's.