Originally Posted by spearfish25

Perhaps you're blaming the brakes for normal vehicle dynamics. Brake hard while slightly turning or cresting a hill and the back end will squirm. It's just a matter of the braking causing forward weight shift and the back end getting light. Happens all the time on the track if I'm braking for a corner from a dogleg straight.

And everyone please stop blaming wheel spacers for your problems. I've run spacers on my car for two years and multiple track events without a single hiccup.