Quadrajet Problem Solving > Dialing in your rebuilt Quadrajet carburetor

wet air horn gasket

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78anniversary:
Just got my rebuilt carb back on, (the coloring looks great by the way Cliff).  It starts and idles good, no problems yet, i can't drive it yet due to salt on the roads in michigan.  But the air horn gasket looks wet.  Is this a problem?  what would cause this?

von:
IMO it's an unavoidable situation caused by wicking of gas by the airhorn gasket material. I've had Q jets "unwarped" with new thicker gasket installed, etc., and tried everything I could think of, but the gasket still got wet. Since then every chance I get, I feel the exposed portion of the airhorn gasket of every Q jet installed on a car that I can. They're all wet. I don't know if there's a difference in today's gasket material from original but today's gaskets will wick gas like crazy. I took a new airhorn gasket and dipped the corner vertically in a pan of gas and the gas wicked vertically up the exposed portion of the gasket for as long as it was in contact with the gas.

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