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Calculators And Tools

CFM Calculator

Dial in cfm for optimized performance!

Fill in the fields below (example: 5000 RPM), click calculate, and we’ll show you the optimal cfm for the street and track! The ratings are different because street engines have a volumetric efficiency around 85% while racing engines are closer to 110%.

Maximum Engine RPM :
Engine Size in Cubic Inches :
Street Carb CFM :
Racing Carb CFM :

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