Thread: I need help with my Chevy 355 fueling

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How much of a stall converter do you have and what is your rear end gear ratio. A 66' Bel Air is on the heavy side and to get it to "shat and get" from a stop will take some gear and a bit of a stall converter regardless of your carb. The double pumper 650 should be fine and I think your advance is good too. I'd probably gear it with sometinng near a 3.73 ratio range at least. Possibly a little lower. A 3500 rpm stall converter should help as well. Also a 2 plane intake manifold gives more bottom end torque as well but the Torker II single plane manifold should be fine if you are running lower gears in a heavy car.