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  1. #1
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    Vintage OMC 3 cylinder 49 race engine help

    Maybe someone can provide info on what model this engine is ..

    Modified for Roadracing, the only stamp I see is 180 RPH . It has Tillotson HD 8A Carbs and is modified for closed circuit cooling and dry exhausts... ..Any help is appreciated


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  2. #2
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    looks like a 1968-71 55 or 60hp motor. That was the years they had a distributor cap and rotor under the flywheel.

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  4. #3
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    Thanks Keith, That is what I thought, but interested in what horsepower, and what Johnson or Evinrude Model designation.

  5. #4
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    model numbers for Johnson are
    TR10 1968
    55ES69 1969
    60ES70 1970
    60ES71 1971
    Evinrudes
    55873 1968
    55973 1969
    60063 1970
    60163 1971

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