Throttle Body Sizing

[John Dammeyer]

At 03:49 PM 26/07/1996 -0700, you (Terry) wrote:

>        As I was taught in college auto tech class, VE is this:
>
>actual fuel air mix in cylinder
>-------------------------------   * 100
>total possible fuel air mix
>
>For example, at the end of the intake stroke, in a 100CC total volume
>cylinder, if you have 75CC of fuel/air mix, then that is 75% volumetric
>effeciency. Some engines have their intakes tuned such that at certain
>RPM's, it resonates and can achieve better than 100% VE, like 105% or so.
>Typically NASCAR uses this technique.
>
 And of course the Turbo or Supercharger makes the VE% even bigger.  By
jove,  I think I've got it.

Thanks.

John


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