compression for 1953 5hp hiawatha

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  • February 6, 2016 at 6:45 pm #31500
    chris-p
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      I tested a few. They all seem to be anywhere from 65 to 85.

      From what I have seen on the ones I have owned over the years, 75 is about normal, and will run well. The ones down around 65 will run, but not idle as well. The real cherry, low hour motors have 80 to 85. I have personally never seen one in the 90s.

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