just got me a sbc 400 yesturday, pulled it outta the truck today and ripped it apart this evening. although i may get flamed for this, i am keeping it tbi. no ifs about it. the engine's built up a little bit, not sure what cam, but nice soundin. for the time being, my setup will consist of a 350 tbi computer, sensors, and injectors. the throttle body will be bored out to 48 mm or 2", not sure yet. also gonna add a vafpr to help a bit more. will burn chips later. 3" catback already installed, headers will be added before engine is put in the car, along with highflow cat.