14x8s with 3.25 backspacing on a Swinger?

i have a 72 swinger with 14x8 ansen slots with 3 1/2'' backspacing. had 225-70-14's on it when i got it, and had rubbed the side wall down by the wheel lip. put on 225-60-14 and seem to have plenty of room front and back. dave.