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smog hose number

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  • Dale S.
    Expired
    • November 12, 2007
    • 1224

    smog hose number

    I have a smog pump hose that has the number, GM 389040X. Could someone tell me what this is for? I know it does not fit my C-2. Dale
  • Joe L.
    Beyond Control Poster
    • February 1, 1988
    • 43193

    #2
    Re: smog hose number

    Dale-----

    GM #3890406 (PRODUCTION) and GM #3890404 (SERVICE) was used for L1966 and 1967 Corvettes with 327 and K-19. It is the bypass hose that goes between the mixture control valve and the carburetor base.

    This hose was also used for some 1966-67 Chevrolet truck applications.
    In Appreciation of John Hinckley

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    • Dale S.
      Expired
      • November 12, 2007
      • 1224

      #3
      Re: smog hose number

      Thank you Joe, I thought that I had throw all that out in the early 70's, I guess I kept some it. I will post 3 other pieces that I found with it. You are once again a lifesaver. Dale

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