69 cuda with 275/60/15

i'm pretty sure these are the specs
front wheels, 15x5.5 with backspacing 3 5/16, tires 225/60/15
rear wheels, 15x8.5 with backspacing 3 5/16, tires 295/50/15

front suspension is stock just lowered some with torsion bar adjustment
rear is stock 340s car with 75 pounds in air shocks.