If your fuel lines are not new, I have seen where the additional vacuum from the fuel pump actually "masked" the fact that the gas line connections had some porosity, (air
getting onto the fuel system from those same lines.
I had to replace a tank to fuel pump gas line one time (when I first installed my "Pusher Holley fuel pump" to feed the carb on initial start up).
I was pressurizing the line vs sucking on the line, and noticed gas underneath the vehicle.
Tom V.
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"Engineers do stuff for reasons" Tom Vaught
Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
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