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my stock two barrel carb seems to flood after sitting. upon taking it apart, the needle valve and the float seem to be in good shape. the only thing that i can think of is perhaps the electric fuel pump is overpowering the carb, but even when i switch off the pump it doesn't start. any suggestions would be greatly appreciated
 

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What do you mean by "flood"; is the fuel level in the bowl is above the sight glass mark or is it dripping fuel into the venturi? If the bowl is full, then either the inlet valve isn't working or your float may have a hole in it (if it is the metal type). If it is dripping fuel (siphoning) out of the main nozzles aqnd flooding the engine, then chances are that the vent holes at the top (tiny holes in little brass inserts in the top cover) are clogged or laquered over. Try hosing them with spray type carb cleaner and if that doesn't work, take off the top clean them in carb dip and blow them out with compressed air to verify that they are open.
 
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