Engine, 1.0L L3, 2 barrel carburetor

Years 1986 Models 1 Factory citations 4

Also documented for Cadillac

Documented applications

Sprint — first generation (1985–1988)

1986 Factory-verified

coupe, Sprint ER and Sprint Plus, standard; the ordering pages pair it with NA5 standard emissions (which also meet high-altitude requirements) or YF5 California emissions; 1985 not claimed: the 1985 power-team image (p.10) prints LY9, but the OCR lost it; GM's later lists reuse LY9 for an unrelated 2.6L V6

GM Heritage factory kit — 1986 Chevrolet Sprint, p.8.
GM Heritage factory kit — 1986 Chevrolet Sprint, p.10.
GM Heritage factory kit — 1986 Chevrolet Sprint, p.12.
GM Heritage factory kit — 1986 Chevrolet Sprint, p.14.

This page aggregates every documented appearance of LY9 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.