1969 L89 cylinder head bolts - NCRS Discussion Boards

1969 L89 cylinder head bolts

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  • Mike E.
    Extremely Frequent Poster
    • February 28, 1975
    • 5134

    #16
    Re: 1969 L89 cylinder head bolts

    Any insights on use/non-use of washers on 71 LS6 cars? They used 2nd-design L88 074 heads.

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    • Ray K.
      Very Frequent User
      • July 31, 1985
      • 369

      #17
      Re: 1969 L89 cylinder head bolts

      All,

      Most doubtful that a '69 L-89 would have had steel shim gaskets. Should have been Victor red composition gasket as indicated -GM #3921940.

      Head Bolts Long - #3877668 ( show to be discontinued )
      Head Bolts Short - #3877669 ( show to be still available )

      P & A catalog shows usage for hard steel washers on 71 LS6 with 2nd- design 074 aluminum heads.

      Ray

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