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    • Cummins Marine Forum Topics
    • Fuel line from tank to SMX double double filters

      This topic has 2 replies, has 2 voices, and was last updated bydaniel girard 3 years ago

      November 11, 2019 at 5:58 am Currently I have a 3/8″ rubber fuel line from the fuel tanks to my racor fuel filter, I purchased the SMX Double Double fuel filter system, is the 3/8″ fuel line sufficient for the new fuel filters ? The engine is a 1989 6BT 210HP, Thanks in advance

      Started by: daniel girard in: Cummins Marine Engines

      2 Replies
      June 3, 2020 at 8:59 am SMX Double Double installed, all new fuel lines, removed the Racor, runs much better, runs up to full rated speed, Thank You for your advice, Great website.

      Last Post by: daniel girard posted: 3 years ago

    • 6BT maxing out at 2000 rpm's

      This topic has 4 replies, has 3 voices, and was last updated bydaniel girard 4 years ago

      May 21, 2019 at 6:33 am I just purchased a 1989 Blue Seas 31 with a 6BT Cummins, 20 x 16 prop (original spec prop), 1950 hours on engine. With full water tanks and fuel tanks (260 gallons total) and three people on board I am maxing out at 2000 RPM’s at 10 knots. Engine runs great, boat yard mechanic told me I need to have prop mapped and drop to a 14″ pitch to reach 2650 rpm’s. Any thoughts? Thanks

      Started by: daniel girard in: General Discussion

      4 Replies
      May 21, 2019 at 9:42 am Thank You, I will go through the low power troubleshooting list. Throttle linkage does hit the stop, before my 8 hour shake down cruise the racor 500 filter was changed (filter was plugged up) and bowl was cleaned of mud like material, the spin on filter has not been changed yet. The racor did not plug up during the 8 hour trip and no mud in bowl. There is no black smoke just a hint of white smoke.

      Last Post by: daniel girard posted: 4 years ago

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