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I have a spare carburetor that's missing the ID tag, and I'm trying to establish which carburetor it is. The factory carburetor for my 1952 Patrician is a WGD-928S, which is still with the car, ID tag and all, but I wanted to rebuild a spare I have to check and see whether the miss I'm experiencing is a result of faulty carburetion. When I bought the spare, it was supposedly from a '52 Patrician as well, so it should be the same, but as I was comparing the spare to the factory carb, I noticed that the choke adjustment on the spare is opposite of what it is on the factory carb.

Does anyone have a WGD-767 or even a 784 they could let me know which way the lean adjustment is on the Choke adjustment?

Are there any other visual cues which could help me identify it? The casting numbers are the same for all three (767, 784, and 928S)... Thanks!

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Look for a carburetor # stamped on one of the gasket surfaces of the lower (cast iron) carburetor base.

The carburetor casting numbers are the same for the 767 and 928 (as well as the 784) -- they are all #803. As far as I can tell, they differ in the sizes of metering rods and jets, and some of the adjustments are different specs.