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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    LB9 Factory-verified

    Pontiac · Regular Production Option

    Engine, 5.0L V8, tuned port injection

    Years 1985–92 Models 1 Factory citations 8
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    Also documented for Chevrolet

    Documented applications

    Firebird — Third generation (1982–1992)
    • 1985–1992 Factory-verified

      Firebird years: Wikipedia 1985–1992; thirdgen.org powertrain tables 1986; thirdgen.org label decodes 1986; 3rdgenformula option pages 1987–1992; shared F-body code; cited from the Camaro kits

      GM Heritage factory kit — 1985 Chevrolet Camaro, p.33.
      GM Heritage factory kit — 1986 Chevrolet Camaro, p.39.
      GM Heritage factory kit — 1987 Chevrolet Camaro, p.15.
      GM Heritage factory kit — 1988 Chevrolet Camaro, p.33.
      GM Heritage factory kit — 1989 Chevrolet Camaro, p.9.
      GM Heritage factory kit — 1990 Chevrolet Camaro, p.37.
      GM Heritage factory kit — 1991 Chevrolet Camaro, p.27.
      GM Heritage factory kit — 1992 Chevrolet Camaro, p.85.

    This page aggregates every documented appearance of LB9 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.