needhelp im lost

just got in the house went through both carbs cleaned them and replaced gaskets on both of them found couple areas that were and issue found that both power valves had two gaskets on them not good, also some one went through these carbs before me and didnt clean all of the old gaskets off of the metering block and main body of both carbs i also changed the needle and seats on the one carbs i was haveing problema with and the last thing i did was down the fuel pressure to 6 psi started car and ran great not fluiding at all and was even able to drive the car i do have to do some fine tunning but its way better than what it was one question how do i figure out was power valve to run these 450 dont have any manifold vacum port to set how much vacum motors making anyhelp here would be awesome