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    • Cummins Marine Forum Topics
    • Oil sample results not good

      This topic has 9 replies, has 5 voices, and was last updated byRob Schepis 6 years ago

      July 24, 2017 at 12:19 pm I’ve got a purchase and sale agreement on a boat powered by 2001 Cummins 6CTA8.3-M3 with 850hrs serial #’s 4664812 and 46050752. Both engines start easily, smoke very little at all rpm’s and reach 2650 rpm WOT. I know they are propped a little heavy, but I will correct that. The boat has mostly been cruised at under 2000 rpm by the preset owner. My problem is that the oil samples came back within specs except for the aluminum l…

      Started by: Michael Muessel in: Cummins Marine Engines

      9 Replies
      July 26, 2017 at 5:32 am We are jumping ahead a bit here but it’s nice to know what you could be facing regarding the aftercoolers: If replacement is needed the entire unit pricing is a bit more than Philip posted but if the cores are good the housings are also available without the cores. I included both links above. If I were in your shoes with this purchase and the boat itself “checked all of my boxes” then I would go thru the bullet points that P…

      Last Post by: Rob Schepis posted: 6 years ago

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