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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    L37 Confirmed

    Pontiac · Regular Production Option

    301 4-bbl V8 (incl. ’79–81 applications, 4.9 EC)

    Years 1979–81 Models 1
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    Also documented for BuickCadillac

    Documented applications

    This page aggregates every documented appearance of L37 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.