if i go with a 306 i know i'm going with the trick flow kit good for
350hp and 370f lbs of tq
however if i go with a 347 or 331 what heads and intake and cam wouud you guys sugg.
oh one more thing it need to be boost frendly as i might later add a turbo or cent. blower
Well if you are wanting a kit, the Trickflow set isn't to bad. It is typically set aside for 302/306's. You could expect 340-350rwhp, but of course there is so many variables that determine actual output to the tire and how aggressive you want the set-up.