The S50B32 can be "converted" (for lack of a better term) to work in an OBDI car.... emissions testing might give you some trouble so you may have to throw on some cats before you have it tested... it (the 3.2) really doesn't put out more hp than the S50B30, but when turbo-ed the difference between the two can run up to about 40-60hp and the S50B32 has more torque even when not turbo-ed. Sorry about my previous post not going into detail.