This is some data Jose sent on the back pressure effects. The coax
muffler has minimal back pressure so it would be wise to use that
with a p-port.

Paul Lamar --


I wonder how using a turbo with P-Port is affected. This does seem
to indicate that side ports with a turbo would be better... but it
doesn't take the ramming effect of the turbo into account.

Joshua Jacobs

Actually a turbo P-port is better due to an increase in  intake pressure over exhaust pressure.
Less flow across the rotor face. Less ingestion of spent exhaust gas into the intake.

Paul Lamar


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