-----Original Message-----
From: Robert Allen <boballen@sky.net>
To: MG List <mgs@autox.team.net>
Date: Tuesday, January 20, 1998 12:10 AM
Subject: Volumetric Efficiency
>I can’t help but butt in on this talk about valve sizes and volumetric
>efficiency. Pardon me a moment while I mount my soapbox.
>
>Volumetric Efficiency -- (VE) the definition is simple enough. If a 1.8
>liter motor expels 1.8 liters of exhaust on every cycle, it would have
>100% volumetric efficiency.
Bob, I really think you mean if the engine PULLS IN 1.8 litres of intake
mixture you have 100% volumetric efficiency. Normally asperated racing
engines often do have over 100%, but over a limited RPM range, due to intake
runner tuning.
Off my soapbox now.
Leigh
46 TC
48 TC
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