Has anyone got a P Port to run using Tracy's EC-3?

If one was to use a carb like the Holley 500cfm with the leaning
block what would be the runner length for 6500 7000rpm cruise?  How
big would the plenum that the carb sits on be?  Thanks

Joe Berki LimoEZ P Port

First question I don't know.

About 6 by 3 by 3.

18 to 20 inches.

Paul Lamar



Paul,

When you were doing development of the pressure taps and that DAQ system were you able to determine if connecting the pressure taps "averaged" the MAP adequately so that Tracy's EC-3 could run the P Port?  Did you come up with a value?

Looking at Megasquirt if I can't get the EC-4 to work.

Joe Berki
Limo EZ P Port

It was a lot more stable. Your measuring the actual amount of air getting in to the engine.
It is always the same from engine to engine unlike the case where manifolds and pressure
tap locations are different.

Paul Lamar


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