I have a 94 Firebird Formula with 106,000 miles. Its is an LT1 and has had a lot of modifications done. Long tube headers, american thunder flowmaster exhaust, 3.73 gear, rebuilt tranny with shift kit (rebuilt last summer), 17x9.5 Z06 chrome rims, pcm computer program. Had it a the strip a few times and ran a 13.8. Asking 6,500 reply if you want pics.