- 1968–1969 Factory-verified
L6 only; from Feb 68
GM Heritage factory kit — 1968 Chevrolet Camaro, p.40.GM Heritage factory kit — 1969 Chevrolet Camaro, p.47.
MB1 Factory-verified
Also described as 2-Speed Trans.-Manual ShiftTorque-drive transmissionTorque-Drive (manual-shift 2-speed)Transmission unit, manual 5 speed
Also documented for Pontiac
Documented applications
- 1963–70s (varies) Confirmed
- 1968–1971 Factory-verifiedGM Heritage factory kit — 1968 Chevrolet Nova Coupe, p.67.GM Heritage factory kit — 1970 Chevrolet Nova, p.135.
- 1971–1972 Factory-verified
budget semi-automatic
GM Heritage factory kit — 1971 Chevrolet Vega, p.10.
- 1985–1992 Factory-verified
a unit behind MM5; the 1987 and 1989 engine identification pages print it M81 (B read as 8), which is not a separate code; from the engine identification pages and the 1992 power team table
GM Heritage factory kit — 1985 Chevrolet Camaro, p.8.GM Heritage factory kit — 1986 Chevrolet Camaro, p.7.GM Heritage factory kit — 1987 Chevrolet Camaro, p.3.GM Heritage factory kit — 1988 Chevrolet Camaro, p.8.GM Heritage factory kit — 1989 Chevrolet Camaro, p.26.GM Heritage factory kit — 1990 Chevrolet Camaro, p.7.GM Heritage factory kit — 1991 Chevrolet Camaro, p.17.GM Heritage factory kit — 1992 Chevrolet Camaro, p.8.
This page aggregates every documented appearance of MB1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.