I am looking to purchase one of the new Edelbrock AVS2 Carbs. I am trying to decide the best CFM Rating for my application. The 1901 - 500 CFM or the 1906 - 650 CFM.
I Have a Duster 1973 318, Stock heads, Edelbrock LD4B Intake, Comp Cams High Energy 268H, Stock exhaust manifolds, Dual exhaust...