Quote:
Originally Posted by Purdy Swoft
Dave , I'm having problems finding exact sizes of the two venturis that could be used with the model B carbs . If it has the same inside diameter as the model A venturi, it won't be the one that you want to use. Try Dave Renner at Renners corner , He should have the parts and dimensions PH 734-428-8424
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Purdy,
The Zenith Model B carb for the Model B engine uses a 22 mm (.866 inches ID) Venturi.
The Model A version of the Model B carb uses a 20mm (0.787 inch) Venturi.