Reply To: Gas suction problem(?)

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If the fuel is pulled from the tank from the top, the fuel pickup line might have a pinhole or a small crack in it near the top of the tank.. This hole or crack allows air to be pulled into the line along with the fuel pulled from the tank.

You may have to drop the tank and pull the fuel pickup tubes out of the tank to inspect them.

On my ’33 836, the pickup tubes in the tank had many small pinholes in the brass tubing.. I mad new pickup tubes from copper. The brass appeared to have corroded from the modern fuel mixtures we have to buy now..

Hope this helps.. Greg L.