RPOARCHIVE
Loading index…

    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    MY1 Factory-verified

    Chevrolet · Regular Production Option

    Transmission, manual, 4 speed

    Years 1986 Models 1 Factory citations 1
    Query this via API →

    Documented applications

    Chevette — T-body (1983–1987)
    • 1986 Factory-verified

      GM engineering code on the 1986 power team page, in the California-only 1.6L L17 team

      GM Heritage factory kit — 1986 Chevrolet Chevette, p.3.

    Related codes · mentioned in these notes

    L17

    This page aggregates every documented appearance of MY1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.