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Re: Air flow and engine size, myth or fact?
Posted to Technical Theory Forum on 6/18/2006 1 Reply

John,

The volumetric efficiency of the engine is calculated by engine size, RPM, and the barometric pressure. This would give you 100% of the engine's volumetric efficiency. Since most engines are not a 100% efficient, modifiers are used at different RPM thr... Login to read more.

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