| blarge | -- 07-31-2011 @ 10:41 AM |
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On my 1948 Mercury the cork gasket on the fuel pump glass bowl leaked enough to prevent the engine from stating after a 3 month period of no opration. The fuel pump had zero vacuum at the inlet, until I tightened the thumb screw and then it went up to 10" of Hg during cranking and the engine pulled up the fuel. Can I eliminate the cork gasket and just use RTV gasket sealer to provide long term sealing of the glass bowl? with 10% ethanol fuel? Should I retain the gasket and just apply the RTV to each side of the cork? Bill Large
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| ford38v8 | -- 07-31-2011 @ 12:40 PM |
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Bill, I wouldn't use RTV at all for fear of small chunks getting to the fuel pump check valves. If you do use it, use it only on the outside perimeter of the sealing surface of the bowl and body. As the corks are sometimes stiff with age, I have always had good results with the use of some light oil. Even gasoline itself will wet the cork for a good seal. Alan
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| TomO | -- 08-01-2011 @ 7:06 AM |
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Bill, I agree with Alan about the RTV. I would try to find a rubberized cork gasket as they will hold their resiliency much better than a cork gasket. The rubber gaskets also do a better job than the cork gaskets. Just make sure that you do not over tighten the screw on the bail and distort the fuel pump housing. Tom
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| supereal | -- 08-01-2011 @ 9:45 AM |
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RTV is bad news for fuel systems. It will cause carb problems, particularly the float needle, when pieces escape and turn into little rubber-like particles. One of the best ways to revive a dry cork gasket is to soak it in motor oil until it is pliable again.
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| 37RAGTOPMAN | -- 10-01-2011 @ 2:12 PM |
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you can order the correct gaskets from, Then and Now parts in MASS. 781-335 8860 8 to 5pm est. hope this helps 37RAGTOPMAN
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