Head gasket advice

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  • October 6, 2024 at 3:22 pm #291376
    Sputter
    Participant

      US Member

      Do I need to coat this gasket in oil or dip it in mineral spirits before installing it?

      I read that procedure in a service manual, but elsewhere I read that updated replacement gaskets have a shiny coating and don’t need any treatment.

      I got this one on eBay.  It doesn’t look shiny to me.

      Thoughts?

      1956 Johnson 15 Hp, FD-10
      1958 Johnson 5.5 Hp, CD-15

      October 6, 2024 at 8:22 pm #291378
      frankr
      Participant

        US Member

        I dont see amy shine

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        Sputter
        October 6, 2024 at 11:02 pm #291382
        labrador-guy
        Participant

          US Member

          It does not look shiny to me either!   What I like to do is make sure both surfaces are clean.  You can tape a piece of sand paper to a flat surface such as a piece of glass or a counter top.  Squirt some water or wd40 on the sand paper and rub the cylinder head on it.  Make circular motions and keep the head as flat as possible.  It will clean and flatten the surface quickly.  A new head gasket never needs sealer but as used one might.  Use some 220 wet and dry sandpaper.

          dale

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          Sputter
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