you can fit a 255-60-15 on the stock rims on stock suspension check out firestones indy 500's if they're too high priced for you check out their sister tire the lemans SR

Derek Johnson 88 TurboTBird 32psi, t3/t4 bb 50trim, megasquirt, 3 bar map, 50lb inj, roller cam w adj. gear, header, 3" downpipe and full exhaust, gutted intake manifolds, spec stg 3 95SE 3L gone