2.8 L (173 cu in) V6, multiport fuel injection

Years 1985–88 Models 1 Factory citations 4

Also documented for Buick Chevrolet Oldsmobile Pontiac

Documented applications

Cimarron — J-body (1982–1988)

1985–1988 Single-source

an option from 1985 and the standard engine for 1988, not available in the Cavalier or Firenza sedans (Wikipedia); Wikipedia's Cimarron article (infobox 1985–1988) and its 60-degree V6 article (Cimarron 1985–1986 and 1987–1988 in two lists) give the years; shared J-body code, dated for the Chevrolet Cavalier by its kit's optional equipment weight pages in each year, which never name the Cimarron

GM Heritage factory kit — 1985 Chevrolet Cavalier, p.35.
GM Heritage factory kit — 1986 Chevrolet Cavalier, p.37.
GM Heritage factory kit — 1987 Chevrolet Cavalier, p.37.
GM Heritage factory kit — 1988 Chevrolet Cavalier, p.42.

This page aggregates every documented appearance of LB6 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.