So long as theres no water around383 buddy, LT1s have such a bad rep they can have just as much potential as any LS1. do a 383 with some baddass heads and a cam. These guys can port your stock heads and give you a custom grind cam to match. long live the Opti!:driving:
http://www.advancedinduction.com/
twin turbo 408 with some sprayTurbo 383 lt1