Fender clearance isn't a problem (yet), and I don't think it will be when the 302 is installed. The backside of the tire actually rubs against the frame of the car. Mine have rubbed a small hole throught the plastic lining inside the wheel well. It isn't a serious problem. 215 tires might not rub. 245's are out of the question! If there was only a quarter inch more clearance, the 225's might not rub (that's only a very rough guess, though).