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fuel filer necks sizes/years

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by R72K5, Jun 1, 2003.

  1. R72K5

    R72K5 Banned

    Mar 5, 2001
    Likes Received:
    central IL
    ok someone correct me if im wrong:

    79 was first year for filler doors

    79 were the smaller 1 3/8" diameteter filler tank fitting and hose

    73 and 74 were smaller 1 3/8"
    75-78 were no door and were 1 3/4"
    79 was oddball with door but small again 1 3/8"

    correct ?
    this is what i have seen and observed to date through listings and personal experience

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