68 Radiator Support Harness/Hose Grommet Question - NCRS Discussion Boards

68 Radiator Support Harness/Hose Grommet Question

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  • Rich P.
    Expired
    • January 12, 2009
    • 1361
    #1

    68 Radiator Support Harness/Hose Grommet Question

    I have what I beleve is an be an original harness/hose grommet for a 68. I just don't remember what size the opening is that it fits into. This measures 15/16" across the opening. I was wondering if someone could measure the opening in ther support or if they knew for certin off hand what it was. For some reason I think that the opening is larger.

    Thanks in advance,
    Rich
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    • John C.
      Expired
      • January 1, 2005
      • 616
      #2
      Re: 68 Radiator Support Harness/Hose Grommet Question

      Rich

      The rough inside dia on the grommet on my 68 is 1-3/8th. I can't measure the actual core support hole with the gromment in place but in the K66 section of the AIM the hole is called out as being 1-33/64 dia.

      John
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        • Terry B.
          Very Frequent User
          • August 31, 1999
          • 607
          #3
          Re: 68 Radiator Support Harness/Hose Grommet Question

          Rich,

          Your dimension on the pictured grommet sounds small. I don't think the headlight connectors would pass through a 15/16" opening.
          Terry Buchanan

          Webmaster / Secretary - Heart of Ohio Chapter www.ncrs.org/hoo

          Corvettes Owned:
          1977 Coupe
          1968 Convertible 427/390 (L-36) Chapter Top Flight 2007, Regional Top Flight 2010, National Top Flight 2011
          2003 Electron Blue Coupe
          2019 Torch Red Grand Sport Coupe
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            • Jack C.
              Extremely Frequent Poster
              • September 30, 1992
              • 1090
              #4
              Re: 68 Radiator Support Harness/Hose Grommet Question

              Rich, the 1 3/8 looks correct. On mine the TI harness goes through the bottom hole with grommet and the headlight and vacuum lines go through the top whole with grommet. When it warms up I can give you an exact measurement.
              Jack Corso
              1972 Elkhart Green LT-1 Coupe 43,200 miles
              Top Flight 1994, 2018 & 2021
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                • Rich P.
                  Expired
                  • January 12, 2009
                  • 1361
                  #5
                  Re: 68 Radiator Support Harness/Hose Grommet Question

                  Thanks Guys,

                  I thought it looked too small.

                  Rich
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