fuel leaking down carb and hydrolocking engine?

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fuel leaking down carb and hydrolocking engine?

Post by 73sqrbk on Sun Jan 06, 2013 1:26 pm

i have a problem with my 44weber on my 73sqrbk leaking fuel internally through the venturas i think. anyone have any suggestions?
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Re: fuel leaking down carb and hydrolocking engine?

Post by MRJEL on Sun Jan 06, 2013 2:03 pm

Float needle not sealing, and/or heavy (gasoline saturated) float.

Seeing a few composite floats failing due to the ethanol in the gasoline we are using now.

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Re: fuel leaking down carb and hydrolocking engine?

Post by 73sqrbk on Sun Jan 06, 2013 5:12 pm

Thanks for the reply. my problem is gasoline in the bowl is draining into the engine.
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Re: fuel leaking down carb and hydrolocking engine?

Post by type4revolution on Sun Jan 06, 2013 7:04 pm

If its with fuel pump turned on maybe too much fuel pressure or a cracked emulsion tube or weak needle valve at float and if the carbs are really old buy a new set or send them in for repairdue to the fact its internal in the carb body
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Re: fuel leaking down carb and hydrolocking engine?

Post by vw57drvr on Mon Jan 07, 2013 4:32 pm

Those carbs cant handle much pressure at the needle. You may not notice that its pushing past until you turn it off. There is still pressure on the line and the needle lets it right on by. Turn the pressure down.
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Re: fuel leaking down carb and hydrolocking engine?

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