I think you will end up with TO MUCH compression with this combination for pump gas Do the math and see what ratio you will end up with If it is above 10.0 to 1 do something else on the pistons, I'm assuming the pistons your planning on using are flat tops, if not say so and state what CC the piston tops are

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)