Low fuel pressure with new fuel pump

MOPAROFFICIAL said

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.

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I have a gauge installed. I went 12.80s on a very mild 360 in my dart at 3310 pounds plus driver. It seemed to work just fine. I now have an aluminum head 408 with a bigger cam and I expect to possibly have some fuel issues when I finally get around to tuning it and driving it hard.

Never called you a liar, merely stating how MY car is setup. It works for me.