Big carb (Quick Fuel 850) on a small engine?

Rat Bastid said

There are far better options out there than any Holley annular booster.

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What would you recommend? Engine will have around 236 @ .050 on the intake, 9.5 - 10.5 compression, probably Speedmaster or Promaxx as cast aluminum head. Early A body with manual transmission. Needs to run on 91 pump gas.