<VV> Non-Corvair, Need to ID Rochester Carb

[monza67 at aol.com]

I have a couple of Rochester 4 jet carbs. From what I understand, the castings are all very similar on the carbs. There are no visible tags or numbers on the carbs that I can currently see. Can anyone give me a clue on how to ID the carbs and determine the cfm rating? Thanks, Chuck Prosise
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