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DBabbitt DBabbitt is offline
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Join Date: Sep 2017
Posts: 21

I found a 3rd passageway for fuel to drain from the fuel distributor after shutdown. It is via a land or groove around the piston that faces unregulated pressure from below the distributor diaphragm, opposite the drain line banjo. It isn't a large passage, almost capillary in size.

Also note that when installed in the car, the drain line is directed up before going down to return to the tank. Keeps any vapor that might accumulate in the line away from the distributor but trapped in that small arch.
Old 12-30-2017, 06:32 PM
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