Low Oil Pressure help!

So I recently just installed a new long block from Dynamic Diesel Inc, and I've only got 1500 miles on it, and it didn't do it for the first 2-300 miles, but after that, if it's idling it throws a low oil pressure light on the dash, but anything, even 50rpms over idle, makes it go off, truck runs fine, no codes, it's deleted, with a few other things done, already replaced the EOP sensor by the filter and nothing changed, anybody have any ideas??


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What type of filter are you running, short or long cap? How's the oil filter stand tube look? Is the spring on top still in place?

Ford Motorcraft filter, and it was when I changed it the first time, planning on changing it here soon again since it's a new engine.


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Need to get a real gauge on it, the factory sensor is just a pressure switch. You could be running it hard and only be making 10 psi......

Could be a stuck pressure relief valve

Is the pressure relief valve down in the oil cooler?


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Front cover

did you ever dig into this?