Engine, 2.8L V6, 2 barrel

Years 1982–85 Models 2 Factory citations 7

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Also documented for Chevrolet

Documented applications

Jimmy — first generation (1983–1994)

1983–1985 Factory-verified

requires N40 power steering; shared S/T platform code; cited from the joint S-10/15 Blazer/Jimmy pages of the S-10 Blazer kit

GM Heritage factory kit — 1983 Chevrolet S 10 Blazer, p.6.
GM Heritage factory kit — 1984 Chevrolet S 10 Blazer, p.4.
GM Heritage factory kit — 1985 Chevrolet S 10 Blazer, p.10.

Sonoma — first generation (1982–1993)

1982–1985 Single-source

1982 from the 1982 kit, a Chevrolet book with no S-15 page; Wikipedia's S-series engine table dates LR2 1982–1985; shared S-series code; 1983–1985 cited from the joint S-10/S-15 pages of the S-10 kits; 1982 rests on the Chevrolet-only S-10 books, so the row is single-source

GM Heritage factory kit — 1982 Chevrolet S 10, p.5.
GM Heritage factory kit — 1983 Chevrolet S 10, p.38.
GM Heritage factory kit — 1984 Chevrolet S 10, p.8.
GM Heritage factory kit — 1985 Chevrolet S 10, p.16.

This page aggregates every documented appearance of LR2 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.