- 1989–1992 Single-source
the high-output multiport-injected 4.5L (200 hp); Wikipedia's High Technology engine article calls LW2 a high-output version of the 4.5 with multi-port fuel injection built for the Allanté; the Allanté article's engine list and infobox give the code and the 1989–1992 span, and its text dates the new 4.5L to 1989; both articles are Wikipedia, one source [Wikipedia: Cadillac Allanté]
LW2 Single-source
Documented applications
This page aggregates every documented appearance of LW2 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.