Well my 830cfm Quick Fuel(Holley based) seems to have more than enough cfm. Muscle Motors recommends that for most of their street type builds. Ask Eric what he recommends.

http://www.quickfueltechnology.com/carburetors-ss-series/street-carburetor-830-cfm-ms.html

or you could run one of these

http://www.quickfueltechnology.com/carburetors-hr-series/hr-850-hot-rod-series-carburetor.html

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