Yup. FCs and late cars use the Chevy RWD 5 on 4 3/4", early cars use 4 on 4 1/2". --Bryan On Mar 3, 2010, at 7:47 PM, srmarti at netzero.net wrote: > It's been awhile but with the except of FC model weren't the early vairs all 4 bolt not five? > > Steve