Official Cummins QSC-500 Thread

Discussion in 'Diesel Engines/Drives/Transmissions/Props' started by Hampton, Nov 16, 2011.

  1. importmonkey

    importmonkey Member SILVER Sponsor GOLD Sponsor

    520
    Jul 9, 2015
    Middle River, MD
    2007 44 Sundancer
    QSC 500s
    Glad you said this. I just noticed and thought something was going wrong. Hitting all my numbers though, so I wasn't too concerned.
     
  2. Hampton

    Hampton Air Defense Dept TECHNICAL Contributor

    Nov 26, 2006
    Panama City, Fl
    2008 44 Sedan Bridge
    Cummins QSC-500's
    Straight Drives

    It's the little thinks that either keep us awake at night or help us sleep.
     
    importmonkey likes this.
  3. bbwhitejr

    bbwhitejr Well-Known Member SILVER Sponsor

    Apr 14, 2013
    Lake Lanier GA
    2007 44DB
    Cummins QSC 8.3s
    I am getting my annual maintenance items together and found the first post of this thread to be immensely helpful and is keeping me from "reinventing the wheel." I do have one question about the zincs. The thread sizes posted there do not seem to agree with the chart at BoatZincs.com. I will not use zinc as I am in fresh water, but want to ensure I order the correct size.

    Are these the correct pencil anodes for the engines indicated by the red arrows?

    upload_2018-1-27_13-16-6.png

    Thanks,
    Bennett
     
  4. BlueYonder

    BlueYonder Member

    104
    Jan 12, 2015
    Chesapeake Bay
    37
    QSC 8.3 600
    I use four E-2 2" long zincs in my aftercooler and heat exchanger. I use 2 E-1G 1" long zincs in my Fuel/Transmission cooler.
     

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