1968 Mercury 500 question

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  • April 5, 2019 at 10:48 am #172677
    grunt311
    Participant

      I have a 1968 Mercury 500 motor i have been working on. Well i had it in my test tank and while running i noticed a small amount of water coming out of the plug holes on the head. The motor was running fine even if increased the RPM’s three of the four plug holes had the same thing. Would this be a bad head gasket issue?

      Thank you , Nick

      April 5, 2019 at 12:14 pm #172685
      dave-bernard
      Participant

        US Member

        they do not have a head. that is a water jacket gasket. call me 1 914 310 7086.Dave

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