- 1985, 1986 Factory-verified
the 1986 option page lists the 4.3 liter (262 cu in) 4 barrel V6
GM Heritage factory kit — 1985 Chevrolet Truck, p.23.GM Heritage factory kit — 1986 Chevrolet Truck, p.20.
LB1 Factory-verified
Also documented for GMC
Documented applications
- 1986 Factory-verified
262 cu in; Sportvan (p.21): G10 and G20 only; cargo van (p.59): standard on G10–G30.
GM Heritage factory kit — 1986 Chevrolet G Van, p.21.GM Heritage factory kit — 1986 Chevrolet G Van, p.59.
This page aggregates every documented appearance of LB1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.