Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › Oil Sample Results

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  • September 2, 2022 at 12:23 pm #136268

    Michael R Price
    Participant
    Vessel Name: Glory Days
    Engines: Cummins QSC 8.3
    Location: Charleston, SC
    Country: United States

    I have Cummins QSC 8.3 engines in my 39 Tiara Convertible with 1800 hours.  Recent oil samples revealed slightly elevated levels of copper, it was one year since my last oil change.  Can anyone suggest what causes this and is it a cause for concern?

    thanks

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  • September 27, 2022 at 4:45 pm #137308

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    Random Oil samples

    ONE ANSWER:

    99+% of the time, a random oil sample has ZERO value and means even less.  Plenty of postings  on this forum (& others)  about this.

     

    Tony

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