Thread: carb size formula for street and race apps
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Old 11-19-2014, 06:09 AM
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Quote:
Originally Posted by lon View Post
what do yall think of this formula for sizing a carb to a particular motor

for street: cubic inches x max rpm x .85 divided by 3456

for race cubic inches x max rpm x 1.15 divided by 3456
There is no magic formula that covers all engine configurations, the formulas out there are just a starting point and nothing beats an engine, in the car, on a chassis (forget about an engine dyno tune) dyno.....So with that said, what are your engine specs?


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