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 : | |