10" x 1.75" drum help

IF your goal is to get 10 inch drums on vehicle with 4.5 pattern ... locate an ASPEN or VOLARE ... steal the backing plates from them ... then buy new F body drums and they should work ... I had a volare that i installed the 8 3/4 axle and basically reinstalled the backing plates and drums back on... i do recall... you may want to ask a F body owner who did this recently ...