Why It Matters
The 1973 L77 was the 270-hp SAE-net, V-code Oldsmobile 455 used with the M20 four-speed in Cutlass applications. It is distinct from the 1972 W-30 L77 and does not establish W-30 identity.
Also Known As
1973 V-code 455 engine assembly1973 Cutlass L77 4551973 270-hp Rocket 455
