Hi Paul,

 Is the volume of the plenum chamber on a throttle body/plenum setup
critical in any way ?

                                 Cheers Chris in NZ

It has something to do with it. Technically it is called a
Helmholtz resonator.


Paul Lamar



Hi Paul,
    Thanks for all that, very helpful, I don't know
what I'd do without all this help and
info from your newsletter, I might have been reduced to
 (dare I say it) putting in a
piston engine !
        Cheers Chris in NZ.



Chris,
This explains it pretty well.
Paul Lennemann