MC1 ✓ Factory-verified

Chevrolet · Regular Production Option

Heavy duty 3-speed manual transmission

Years 1963–79 Models 4 Factory citations 4

Also described as HD 3-speed manualHeavy Duty 3-speed TransmissionH.D. 3 spd transmission

Documented applications

Camaro →

• 1969 ✓ Factory-verified

  required w/ LM1; incl. w/ SS

  ⛭ GM Heritage factory kit — 1969 Chevrolet Camaro, p.85.

Chevelle / El Camino →

• 1969, 1971–1972 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1969 Chevrolet Chevelle, p.69.

  ⛭ GM Heritage factory kit — 1972 Chevrolet Chevelle, p.54.

Impala / Full-Size →

• 1963–70s (varies) ● Confirmed

Nova / Chevy II →

• 1969 ✓ Factory-verified
  ⛭ GM Heritage factory kit — 1969 Chevrolet Nova, p.72.

Related codes · mentioned in these notes

LM1

This page aggregates every documented appearance of MC1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.