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    • Cummins Marine Forum Topics
    • 6BTA Spool Up Issue 1 2

      This topic has 36 replies, has 6 voices, and was last updated byTony Athens 4 years ago

      February 23, 2019 at 5:54 pm Dear Tony, Carolina Classic 28 with a pair of 6BTA5.9 M3 330HP. Roughly 2200 hours on the engines with no major problems. Cummins did a full service at 2000 hours which included adjusting the values. I generally put about 60-80 hours a year on the engines. I also have your water pumps on for the last three years. I had a strange problem with my starboard engine that happened on my last trip in December, the afternoon before I had to haul and wi…

      Started by: siwicki in: Cummins Marine Engines

      36 Replies
      June 9, 2019 at 2:11 pm Just what I suspected early on…….This engine has been on a salt water diet for years.. #5 & #6 cylinders always go first when it’s an inline drive. When you pull the head, drop the valves on 5 & 6.. You’ll see it big time on the stems and seats. As to all the rest-No sense fixing the damage until you fix the “reason” why it happened–It’s called Poor Exhaust design & not following both …

      Last Post by: Tony Athens posted: 4 years ago

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