Carburetors
CFM Calculator
Enter your engine specs and instantly see airflow estimates across four common VE profiles.
Stock (80% VE):
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Typical for OEM engines with restrictive intake and mild cam.
Street Performance (85% VE):
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Improved intake, headers, and tuning.
Race engines (95% VE):
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High-flow heads, aggressive cam, optimized exhaust.
Naturally aspirated competition engines (110% VE):
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"Full Race CFM — for engines with exceptional breathing capacity and minimal restriction.