Why It Matters
The wide-ratio Muncie M20 was the four-speed paired with the 1973 Cutlass L77/V-code 455 and used a floor shifter and 11-inch clutch.
Also Known As
1973 Cutlass M20 four-speed1973 Oldsmobile wide-ratio four-speed1973 V-code 455 M20
Part profile
1973 Oldsmobile Muncie M20 four-speed
transmission · Muncie
Used On
1 linked car page.
Cutlass or Cutlass S two-door Colonnade coupe with W29 4-4-2 package
1973 Oldsmobile Cutlass 442 L77 455
W29 4-4-2 appearance and handling package