tell me if this sounds really stupid i have a 82 cutlass that has a 307 olds in it i put this engine in it the car came with a 3.8 it blew up too i wanted to put a 4.1 back in it on the computer emmissions are driving me crazy in chicago i wanted to know can the 4.1 be built up to be pretty quick right now in the car i have a 200r4 d5 convertor and 323 gears with posi i have access to some 373 too i need to be fast and on the computer