The original pump failed because one of the check valves fell out of it's seat so it wasn't because of a worn cam.
I didn't check gas flow. I just checked pressure and vacuum with my finger. With the pump off the engine and moving the pump arm, I can feel a strong vacuum and pressure signal from the pump. With it mounted on the engine, I feel nothing.
The main line from the tank is free flowing by gravity.
I suppose I could hook the main line to the pump and see if the pump will squirt.
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