i have 15 x 10 on my car. centerline scorpions, backspacing is 4.5 and have a 295/50/15 with the stock suspension. tires play a huge roll, BFGs that size are to wide. their section width is more like 12in wide and the tread is about 10. but firestones are as wide as the rim and have no clearence issues. from behind looks like i mini tubed the car.