Re: 1929 640 fuel running out of the carburetor

Posted by ineffabill On 2011/3/3 15:19:46
Isolate the carb from the vacuum tank. Connect a hose & funnel to the carb fuel inlet (cap the line to the vac tank)- hold / fill funnel to the same level as the "full" point on the vac tank - then check the carb for flooding problem statically (eng off). You can try this on a running eng BUT you have to be super careful not to spill gas.
(Ogg no like engine fires)
A thought, does the vac tank mount at the same height above the carb on both cars? Do both eng have the same amount of vac? Either the carb floods for some reason with the correct inlet "pressure" or the tank is somehow building pressure instaed of just gravity feeding (?)

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