400 CID tri-carb (3×2-bbl), 360 hp — 4-4-2 performance engine

Years 1966 Models 1

Documented applications

1966 Confirmed

Manual trans only from factory; prerequisite for W-30

This page aggregates every documented appearance of L-69 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.