Why It Matters
The Pontiac Super T-10 record covers the Borg-Warner four-speed used behind the 1977 W72 Pontiac 400. Pontiac option references use M20 for the four-speed ordering path; that code should not be resolved to the earlier Muncie M20 without car-specific transmission evidence.
Also Known As
1977 Pontiac M20 4-speedBorg-Warner Super T-10 4-speedM20 4-speed manual 1977 FirebirdPontiac Super T-10Super T-10 4-speed manual
