the cost between chevy and olds isnt much considering you are already spending 2 to 3 thousand on a good performance engine, a few hundread dollars is well worth it when all the olds guys get togeather and see you have chosen the oldsmobile way, everybody puts chevy in an olds, like putting a dodge in a chevy, who would ever do that,anyway olds is tourque, where u gonna be driven, the street or nascar, i would assume street, wouldnt be afraid to race any chevey with my olds.