Substitute for sealant/compound GM 9980621? - NCRS Discussion Boards

Substitute for sealant/compound GM 9980621?

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  • Gary B.
    Extremely Frequent Poster
    • February 1, 1997
    • 6979

    Substitute for sealant/compound GM 9980621?

  • Edward J.
    Extremely Frequent Poster
    • September 15, 2008
    • 6940

    #2
    Re: Substitute for sealant/compound GM 9980621?

    Gary if you want to use something to help seal the gasket use a small strip of 3m strip chalk. Sealant is just to keep moisture out.
    New England chapter member, 63 Convert. 327/340- Chapter/Regional/national Top Flight, 72 coupe- chapter and regional Top Flight.

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    • John F.
      Extremely Frequent Poster
      • March 23, 2008
      • 2395

      #3
      Re: Substitute for sealant/compound GM 9980621?

      Dum Dum from 3M.

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      • Gary B.
        Extremely Frequent Poster
        • February 1, 1997
        • 6979

        #4

        Comment

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