650 or 750 cfm. carb??

mullinax95 said

What CFM is a Thermoquad carb which came stock on a lot of mopar motors such as 318s?

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You can't compare a Thermoquad spread bore carb too a square bore carb. The primaries are tiny and the secondaries never fully open on a stock or mildyly modified motor. Those big carbs worked only because of the small primaries.