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Use sealant on carburetor gasket?

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  • Use sealant on carburetor gasket?

    Am I supposed to use a gasket sealer (Perfect Seal?) on the gasket and mating surfaces when re-attaching the carburetor to the manifold on my Mercruiser 3.0 engine?Thank you,Barrett

  • #2
    Re: Use sealant on carburetor gasket?

    No

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    • #3
      Re: Use sealant on carburetor gasket?

      He's right.
      sigpicIf it were easy, any Caveman could do it.

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      • #4
        Re: Use sealant on carburetor gasket?

        no never on carb gaskets

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        • #5
          Re: Use sealant on carburetor gasket?

          Just out of curiosity, why never on carb gaskets?
          1980 Sylvan Aluminum 18' Sportster I/O - Mercruiser 140, Honda 7.5 Kicker, Bennett M120 Tabs
          1974 Glastron V-179, Mercruiser 140
          1984 16.5ft. Alumarine Sealark side console with 82 Merc 50
          Manitoba, Canada

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          • #6
            Re: Use sealant on carburetor gasket?

            marc c, theres no need. The seal is fine, as the carb sucks air through that big hole on top,and it will not need to look elsewhere

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            • #7
              Re: Use sealant on carburetor gasket?

              Conrad, Do you have the gasket? I recently rebuilt my carb, a 2brl Rochester on top of a 4.3 GM V6 and I could tell by what I removed that the gasket was thick, when I got the new gasket it was a good 1/4 inch thick. No sealent needed and dont substitute auto gasket for marine. Donwon

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              • #8
                Re: Use sealant on carburetor gasket?

                Oh, so that's what the big hole is for.That makes sense - thanks scaaty
                1980 Sylvan Aluminum 18' Sportster I/O - Mercruiser 140, Honda 7.5 Kicker, Bennett M120 Tabs
                1974 Glastron V-179, Mercruiser 140
                1984 16.5ft. Alumarine Sealark side console with 82 Merc 50
                Manitoba, Canada

                Comment


                • #9
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                  Re: Use sealant on carburetor gasket?

                  no just make sure you have the correct NEW gasket ,

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