Engine, 5.0L V8, 307 cu in, 4 barrel, high output

Years 1983–87, 1999 Models 2 Factory citations 2

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Also described as Engine, 3.1L, V6

Also documented for Buick Cadillac Chevrolet Pontiac

Documented applications

Cutlass — N-body (1997–1999)

1999 Factory-verified

shared N-body code; Chevrolet Malibu kit.

GM factory document — 1999 oldsmobile cutlass rpo code list, p.1.
GM Heritage factory kit — 1999 Chevrolet Malibu, p.27.

Cutlass Supreme — G-body (1983–1988)

1983–1987 Single-source

only in the Hurst/Olds on the Cutlass Calais coupe (1983–1984) and in the 4-4-2 (1985–1987); Wikipedia's Oldsmobile V8 article, which dates it from 1983

This page aggregates every documented appearance of LG8 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.