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Old 04-23-2014, 09:26 PM   #94
Old Henry
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Join Date: Oct 2010
Location: Orem, Utah
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Default Re: Vapor lock 1 and 2

Quote:
Originally Posted by FlatheadTed View Post
Going by some earlier posts on this thread you can see that some people beleave just that ! .That that the carb bowl can empty out by draining back .Has any one bothered to lift the carb top to see the fuel level in a vapour lock situation ?
The engine doesn't die immediately when the fuel pump vapor locks and stops pumping. It will continue to run until the gas is all gone from the carburetor and the fuel pump isn't replacing it. That's when the engine dies and won't start again until some gas is pumped into the carb either by cooling the mechanical pump to get the gas vapor to condense back into liquid so that it will pump again or by pumping gas into the carb with an auxiliary electric pump. So, when the engine dies, obviously there is no gas in the carburetor bowl. If there was, the engine wouldn't die. Don't need to take the top off of the carburetor nor have a sight glass on the carburetor to know that. It's common sense.
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