I am building a 53 8BA.It has been bored out .080, with a merc 4 inch crankshaft, Edmunds heads (not sure of compression ratio) and a Edmunds 4 barrel intake with a holly 390 cfm carb. I am using a MSD ready to run distributor. Hooked up to a C-4 auto and a 9inch with 3.55 gears and 225-70-15...