Jerry Hey wrote:

Does the rotary perform best with zero exhaust back pressure?  I am
designing my new system  and want to go for max power.  I have a zero
back pressure design that will also be quiet.   (Did that  get your
attention?) But if a little restriction will help that can be done
as well.    If so,  how much?    Thanks,    Jerry

Due to intake ann exhaust overlap it is not that simple. All I know
is about 32 inch exhaust pipes with 22 inch intake for 6000 RPM
seems to be the hot tip with no back pressure.

Paul Lamar
 
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