a week ago i purchased is300 got it for 8500, has 100k on it, 5 speed manual transmittion. really nice car. Had experience with turbo kit on my honda del sol, so i defenetly want boost on my lexus. May be anyone can give me some advice on wheather to rebuilt the old engine and turbocharge it, or go with a twin turbo supra engine from japan? thanks, oh and with a budget of no more than 4.500

