Asking a couple questions-will my A body corner?

15" won't cut it, sidewall is too big, they don't really sell good sticky modern compound tires until 17".

99-04 AM Bullitt rims are popular, the backspace that works very well is "5.72 on these cars.

http://www.americanmuscle.com/chrome-bullitt-wheels-9404.html#shop-by2