cfm of air needed bu an engine ?

[Brady Moffatt]

That's displacement in cubic feet, which is cubic inches/1728,

so cfm = (1/1728) x displacement in cubic inches/2 x RPM

Brady

----- Original Message -----
>
> > Does anyone know how to calculate the needed cfm  by a specific engine
at
> > specific RPM ?
>
> displacement/2 x RPM
>
>


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