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  1. 4b in my 32 foot boat...LOVIN IT!

    General Discussion
    Last year I installed a mid-1980s 4b (NA) Cummins motor in my 32' salmon gillnet boat. I've been running the motor at a steady 2000 rpm and have been burning about 0.8 gallons per hour of #2 diesel. So far I've got about 60 hours on the motor in this boat and I'm comfortable that the motor is...