Thank's for the help guy's, I'll try to remember my specs (I'm out of town right now but will be back home late Thursdaynite). 427 sbc std bore 4" crank 6"rods Ross piston fly cut for the valves 13.5 comp. Brodix Track 1 M2's 227cc 0 deck 1.6 roller rockers 1 7/8 stahl headers now for the cam I'll try to get close on this haven't got the card with me, 648 lift 320 something duration and it's a roller super victor intake 5500 stall 2700lb Luv truck everything port matched dedenbear electric water pump. Hoping for 600hp