Quote:
Originally Posted by cadillac512
The pump could very well have the inlet check valve not sealing. Higher pump speed or liquid in the valve may make it pump just enough to run part of the time, but your test sure indicates a problem. If the pressure side of the pump is open while you check the suction side for vacuum and you get the result you describe, the pump is a dud or has crud holding the valve open.
Terry
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I tested again with the same results, gauge just flickers around 2-3 inches of vac. What are your thoughts on adding an electric fuel pump and keeping the Carter mechanical for my vacuum wiper needs? I’m thinking of using a Carter 4070 electric and running it through the mechanical. I’m also planning on trying to get Carter to send out a new mechanical but I figure an electric is good to also run as a back up
Thank you all for the help, much appreciated
Ryan