Not knowing more details on the motor you probably will need at least a 700 to 750 cfm carb. It depends how your motor is built. I'm no expert in this area so I hope someone else will chim in for you. What cam are you running, compression, etc?
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Ray
1970 SS Chevelle Van Nuys Built
Last edited by shadowgray396; 08-30-2012 at 10:17 PM.
Reason: down size carb size
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