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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    W-46 Single-source

    Oldsmobile · Regular Production Option

    H/O hot-cam engine option (L77-spec), no A/C, 3.23 axle

    Years 1973 Models 1

    Documented applications

    This page aggregates every documented appearance of W-46 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.