383 build no power

Wow! That's some tight TC.
Get some eyeballs on the boosters as she is idling in gear.If they are dribbling, however slightly, then yes a PV swap will help. But this is not the right question, nor the right answer.
The right questions are; why the 360 rpm drop when in gear?Why are the mixture screws out 3 turns, and above all; at 950 rpm with 30 degrees of idle-timing, why is the vacuum only 9.5
inches?Solve this riddle and the PV will take care of itself.

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