- 1992–1994 Factory-verified
the 1992 option page prints it as the heavy duty 5 speed
GM Heritage factory kit — 1992 Chevrolet Truck, p.37.GM Heritage factory kit — 1993 Chevrolet Truck, p.8.GM Heritage factory kit — 1994 Chevrolet Truck, p.12.
MT8 Factory-verified
Documented applications
This page aggregates every documented appearance of MT8 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.