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Old 03-09-2012, 02:08 PM   #9
SeventyOne
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Join Date: Mar 2007
Location: Oakland, Ca
Posts: 1,370
Re: Is a 750 carb too big for a 327?

Quote:
Originally Posted by kriswvu1202 View Post
The way to accurately size a carburetor for an aplication is to take the cubic inches divided by 2 multiplied by the maximum RPM over 1,728. (327/2 x 6,500/1,728) = 615.017.
Your equation is technically right, but you're doing way too much math.

327 x 6500 / 3456 = 615.017

CID x Max RPM / 3456 = CFM

No need for that extra division by 2.
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