RPOARCHIVE
Loading index…

    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    LF6 Factory-verified

    Chevrolet · Regular Production Option

    Engine - V8, 400 Cu. In., 2-bbl carburetor

    Years 1970–82 Models 3 Factory citations 4

    Also described as 400 CID V8 225hp400ci (small-block) 2-bbl V8400ci small-block 2-bbl V8

    Documented applications

    Impala / Full-Size
    • 1970- Factory-verified

      2 barrel

      GM Heritage factory kit — 1970 Chevrolet, p.4.
    • 1970–1972 Factory-verified
      GM Heritage factory kit — 1970 Chevrolet, p.4.
      GM Heritage factory kit — 1972 Chevrolet, p.10.
    Monte Carlo
    • 1970 Factory-verified

      dropped after 1970 on MC

      GM Heritage factory kit — 1970 Chevrolet Monte Carlo, p.6.

    This page aggregates every documented appearance of LF6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.