Getting ready to slap a new head on. Anything to seal it?

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  • June 17, 2020 at 8:20 pm #206017
    mr-asa
    Participant

      My ’61 Lark III 40HP needed a new head. I’m finally ready to slap it on there. Do I need to seal the threads? Is there a head gasket sealant that is recommended? I’m fairly sure I’ve got the manual somewhere so I can look up the torque specs.

      Other than parts, what do I need to knock this job out?

      June 18, 2020 at 8:09 am #206051
      fleetwin
      Participant

        US Member - 2 Years

        I have a salt water back ground, so always look at things from a corrosion prevention point of view….So, I always recommend cleaning the block and bolts threads, then coating the threads/bolt shanks with the OMC/merc/Yamaha gasket sealer. I usually coat the outer surfaces of the gasket with gasket sealer also. Some head gaskets do not require sealer, that is usually printed on the gasket….

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