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mhsprecher · 10-09-2020, 08:33 PM

The height of the jets can contribute, if they are too short, i.e. below the fuel level. If the jets do not have a concave surface, they can also leak via capillary action. I had one that was that way and I drilled it a bit to provide a concave rather than convex surface.

10-09-2020, 08:33 PM	#8
mhsprecher Senior Member Join Date: Aug 2012 Location: Takoma Park, MD Posts: 2,817	Re: Zenith Carb Leak Puzzle The height of the jets can contribute, if they are too short, i.e. below the fuel level. If the jets do not have a concave surface, they can also leak via capillary action. I had one that was that way and I drilled it a bit to provide a concave rather than convex surface. __________________ 1924 Model T Coupe 1928 Model A Roadster 1930 Model A Town Sedan 1939 Deluxe Fordor 1945 pickup 1951 Custom convertible