4846S Carter Thermoquad Competition Series Carburetor 850 cfm

I was thinking that competiton series had a mechanical secondary top air door and maybe a secondary pump shot too.
No. It is very much like a stock carb minus a few parts. It does have the Spring loaded air door. (Top) But! No secondary pump shot. No internal cam to raise the metering rod tree, manual choke with driver side cable clamp provision. Splayed idle trim screws, Rochester sized fuel inlet facing down, 1 PVC port, 1 vacuum advance port, 1 rear vacuum port with threads for a brake booster. No passenger side to driver side rods to cross over. Unobstructed rear air door entry.
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