Low fuel pressure with new fuel pump

1994redram said

I have my electric pump mounted on the frame rail at the highest point, above the axle. The regulator is a cheap Mr gasket dial type. I haven't had an issue with it in several thousand miles. It pulls fuel from the factory tank just fine. I have adjusted the pressure from 4-6.5 for sh!+$ and giggles.

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Put a gauge on it and report back.
I don't lie or make things up. Most people never know how bad they are because they dont even have a pressure gauge to know...and an engine will run on very low pressure, it's only sustained high power loads does the lack of psi show its ugly face.

To the OP, red pump doesn't need a regulator.