Thoughts On Fuel Distribution Dams (Intake Manifold)

famous bob said

YOU GUYS KNOW THAT RAISING THE PLENUM ON SOME INTAKES IS AN OLD SUPERSTOCK TRICK USED BY QUITE FEW RACERS , THAT KEEP IT KINDA QUIET/MUM.

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I remember Joe Sherman saying that he stacked 8 spacers on top of a manifold and the engine he was dynoing kept making more power everytime.

I think from memory the science showed that the ideal plenum volume was 10 times a single cylinder.