I have a 306 currently with a Bcam and ported polished e7s. I also have all the other bolt ons tricklow track heat intake throttle body ect. Ect. I know the heads are keeping it from full potential and was wondering these heads have a pedestal mount design? I'm running 1.7 pedestals right now. Or would the 165s be a better choice and do they come with pedestal mount?