Cummins Marine Diesel Repower Specialists Forums Cummins Marine Engines Oil pressure for ‘85 early model 6BTA

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  • #121873

    Nick
    Participant
    Vessel Name: Best Way
    Engines: 85 Cummins 6bta
    Location: Richmond

    I had a mechanic tell me my oil pressure is low on my ‘85 6BTA. I was told it is supposed to be closer to 30psi at idle

    When I fist start the engine, the pressure gauge on the engine and on the dash both show about 22PSI..at 2000 rpm the pressure gauge is about 28psi

    As I idle into port, approx 800rpm the pressure goes closer to 17psi

    What is the standard operating PSI for these engines?

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  • #121874

    Nick
    Participant
    Vessel Name: Best Way
    Engines: 85 Cummins 6bta
    Location: Richmond

    This is when I first start the engine and it seems to hover around 20psi as I let it run at the dock

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