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1966 spark plug shields

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  • Keith M.
    Infrequent User
    • April 30, 2001
    • 27
    #1

    1966 spark plug shields

    need help ...what are the correct type of spark plug shields for a 1966 427/390hp corvette...do they bolt to head or exhaust bolt...thx
    Tags: None
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    • Keith B.
      Extremely Frequent Poster
      • September 15, 2014
      • 1574
      #2
      Re: 1966 spark plug shields

      they bolt to the head
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        • Keith M.
          Infrequent User
          • April 30, 2001
          • 27
          #3
          Re: 1966 spark plug shields

          are they the small hole and is the hole slotted or closed...thx
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            • Keith B.
              Extremely Frequent Poster
              • September 15, 2014
              • 1574
              #4
              Re: 1966 spark plug shields

              I believe the thread hole in the head is 1/4 20 using a 7/16 hex head bolt. and the shield has a sloted hole
              Last edited by Keith B.; November 23, 2015, 06:54 PM.
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                • Bill W.
                  Extremely Frequent Poster
                  • February 29, 1980
                  • 2000
                  #5
                  Re: 1966 spark plug shields

                  Keith . I dont know much about 66 BB but my 65 BB had slotted holes to hold the shield in place .
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                    • Keith B.
                      Extremely Frequent Poster
                      • September 15, 2014
                      • 1574
                      #6
                      Re: 1966 spark plug shields

                      Bill yes your right I will change my post
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                        • Keith M.
                          Infrequent User
                          • April 30, 2001
                          • 27
                          #7
                          Re: 1966 spark plug shields

                          length please...thx
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