Engine, 5.7L V8, sequential fuel injection

Years 1994–96 Models 1 Factory citations 3

Also documented for Buick Chevrolet

Documented applications

Fleetwood — D-body (1993–1996)

1994–1996 Single-source

260 hp; Wikipedia's Cadillac Fleetwood article names RPO LT1 and dates the upgrade 1994 and the V4P revision 1994–1996; shared B-body code; corroborated by the Chevrolet Caprice kit's 1994 specification page (p.38), 1995 order guide (p.7) and 1996 order guide (p.11); Caprice kit pages are sibling corroboration only (owner rule 2026-11-05)

GM Heritage factory kit — 1994 Chevrolet Caprice, p.38.
GM Heritage factory kit — 1995 Chevrolet Caprice, p.7.
GM Heritage factory kit — 1996 Chevrolet Caprice, p.11.

This page aggregates every documented appearance of LT1 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.