haha! Thanks ron!! i was told the converter in the car at the moment was a TCI 3500 stall, sorry didnt mean 3400..thats what i was told, no confirmation on it, though it does shift perfect and at 3500, looking to do 243 vette heads,comp cam XFI XER cam w matching springs port the stock TB, headers with O/R Y pipe, borla catback, im buying my brothers Built tranny doing a Yank 3800 stall 42lb injectors and 3:73s, til i need a rear end probably by mid-late summer