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    • Cummins Marine Forum Topics
    • QSB 5.9 vs. 480CE

      This topic has 4 replies, has 5 voices, and was last updated byTony Athens 6 years ago

      May 19, 2017 at 5:18 am I am new to the site and new to big diesels, though I have been messing about in boats for a long time. Considering purchasing a 2004-07 Sea Ray, and looking at 390DA or 420DA. The 420 is equipped with the notorious 480CE, and I have read a lot about it’s propensity to drop valves. I have also read Tony’s article on propping the boat like a 450C, but I’m still getting the feeling that the engine is a bit fragile. The 390 Se…

      Started by: Rob McLaughlin in: Cummins Marine Engines

      4 Replies
      May 19, 2017 at 3:45 pm Thanks Tom……………………..You did do it all right and it all showed up in the end.. Tony

      Last Post by: Tony Athens posted: 6 years ago

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