For my 360- building it with 12:1 KB pistons, eddy heads, cam around 240-245 at .050 on the intake and 1-5/8 primary, 2-1/2 collector headers with a rpm airgap manifold, should I use a 650 or 750 carb? Intimidator suggests a HP 950 holley, but would that be a little much for this combo? Big...