These two pressure gauges allow an over view at a glance.
The left one is manifold pressure in inches of Hg
and the right one is fuel pressure in psi.
If they track as you increase RPM you are home
free. If the fuel pressure goes up faster than the
MAP the engine gets richer. If the fuel pressure
lags the MAP the engine gets leaner with RPM.

If you slam open the throttle the fuel pressure
should instantly track the manifold pressure.
If not you can give it a bit of help with a pancake
air cylinder on the throttle knob.

Of course at constant cruise RPM you adjust the mixture
to what ever you want.

Paul Lamar ...No rotor no motor.

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