LD7 ● Confirmed

Oldsmobile · Regular Production Option

231 CID (3.8L) Buick V6, 110 hp — standard 1975–76, optional 1977

Years 1975–80 Models 1

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Also described as 231 Buick V6 (replaces I6)231 V6

Also documented for Buick

Documented applications

Starfire / Omega →

• 1975–80 ● Confirmed

  Starfire

• 1977–79 ● Confirmed

  Omega

• 1978–80 ● Confirmed

  Starfire/Omega option

This page aggregates every documented appearance of LD7 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.