Port my current M1 single plane or install the RPM Air Gap?

rumblefish360 said

Sideways threads happen quickly with highly opinionated, inflexible thoughts because people are convinced and are staunch on there stance.

Your particular case is IMO ready for a single plane IMO. Though more information would be helpful. The current power numbers are a barometer.

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Sideways happens because this of us who have done it know that a DP is a loser in 90% of builds.

Science and physics hasn’t changed since 1976 even though Edelbrock would want one to think it has.

The biggest mistake made with a SP intake is a carb that is too big. Get the right sized carb on it and then see what happens.

The second biggest mistake is cam timing.