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Old 12-06-2012, 10:24 AM
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If you're using the factory progressive style throttle linkage - you should - a pair of 750s will drive as if you have a single 750 double pumper. Ford used a pair of 600+ cfm carbs on stone stock 428s in the 60's - you are 50 cubes bigger.

At LEAST 600s and I would personally opt for 750s. I have a ton of these running on the street with good manners.
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