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    • Cummins Marine Forum Topics
    • 86 Bertram 35 repower options

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

      September 13, 2018 at 3:04 am Hi, I have an Aussie built 86 Bertram 35. Has twin factory Green Disprins- 255hp Volvo TAMD60C, Twindisc 502 with 2.00 ratio and 10 degrees down angle. Boat weighs 10.5-11.5 tonne depending on load. I do about 400 hours a year Trolling 7 knots @1150 Cruise 16 @ 2200 Tops out 22-23 @ 2800 WOT Yes I know these hulls eat Hp… One engine out and needs a major birthday so time for repower considerations. We are coming into summer here so itā€™s …

      Started by: Danny Sunkel in: Boats & Repowers


      3 Replies
      August 4, 2019 at 8:21 am I just posted a note about re-powering my 38 – going from 410 HP to 720 HP and I increased top end, reduced cruise RPM with the new setup which allowed for the less wear on engines and still better performance and with slightly reduced fuel consumption. My thoughts are that after considering possible engine packages . Pick a series that fits dimensionally and go with the highest HP in the series. You can always throttle back. Usually the w…

      Last Post by: pwrobert posted: 4 years ago

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