MB1 Factory-verified

Chevrolet · Regular Production Option

Torque-Drive (manual-shift Powerglide)

Years 1963–79, 1985–92 Models 5 Factory citations 13
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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

  • 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.
  • 1968–1971 Factory-verified
    GM Heritage factory kit — 1968 Chevrolet Nova Coupe, p.67.
    GM Heritage factory kit — 1970 Chevrolet Nova, p.135.
  • 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.