GM SB oil pump spring - NCRS Discussion Boards

GM SB oil pump spring

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  • Patrick B.
    Extremely Frequent Poster
    • August 31, 1985
    • 1995

    GM SB oil pump spring

    I am trying to make sure the old GM oil pump I have is the right one for a 70 LT-1. Is the GM production oil pressure spring color coded or otherwise identifiable? Also what is the correct one piece oil pan gasket for the original 1970 timing chain cover?
  • Joe L.
    Beyond Control Poster
    • February 1, 1988
    • 43221

    #2
    Re: GM SB oil pump spring

    Originally posted by Patrick Boyd (9110)
    I am trying to make sure the old GM oil pump I have is the right one for a 70 LT-1. Is the GM production oil pressure spring color coded or otherwise identifiable? Also what is the correct one piece oil pan gasket for the original 1970 timing chain cover?

    Patrick------


    The spring used for the LT-1 oil pump had a stripe of white paint and was of 21 coils. GM #3848911. The paint stripe may or may not be discernible after long use in the pump.

    There is no 1 piece oil pan gasket available from GM for pre-1980 small blocks. The Fel-Pro # is OS34509T (blue) and the Mahle # is OS32458 (black).
    In Appreciation of John Hinckley

    Comment

    • Patrick B.
      Extremely Frequent Poster
      • August 31, 1985
      • 1995

      #3
      Re: GM SB oil pump spring

      Thanks Joe

      Comment

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