Air Flow Rate

air flow rate formula

\(\large{ CFM = \frac {CID \; RPM \; VE} {3456}  }\)

Where:

\(\large{ CFM }\) = cubic feet per minute

\(\large{ CID }\) = cubic inch displacement

\(\large{ RPM }\) = engine speed

\(\large{ VE }\) = volumetric efficiency