LX6-precursor 140 I4 ◑ Single-source

Oldsmobile · Regular Production Option

140 CID (2.3L) Vega-family I4 standard

Years 1977 Models 1

Documented applications

Starfire / Omega →

• 1977 ◑ Single-source

  Starfire; code not confirmed in Olds lists

This page aggregates every documented appearance of LX6-precursor 140 I4 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.