- 1994–1996 Factory-verified
400 cu in, naturally aspirated; G30 at 8,600 lb GVWR and above.
GM Heritage factory kit — 1994 Chevrolet G Van, p.12.GM Heritage factory kit — 1995 Chevrolet G Van, p.3.GM Heritage factory kit — 1996 Chevrolet G Van, p.41.
L57 Factory-verified
Also documented for GMC
Documented applications
This page aggregates every documented appearance of L57 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.