Hey Migs -- granted, ours is not a '72, but you saw our '73 with 225's on the front and 275's on the rear -- 15x7 front, 15x8 rear. FWIW, there's plenty of room on our '73 to even go up to a 295 on the rear.



Pic of 295/50x14 on a 14x9 rim with 3.5" of BS --