Why It Matters
Warner wide- and close-ratio four-speeds used W identification; M40 covered THM350 L48 and THM400 L82 automatic paths. Case, code, date, ratio, shifter, linkage, drivetrain compatibility, and paperwork must agree.
Also Known As
1976 Corvette Warner four-speed1976 Corvette M201976 Corvette M211976 Corvette Turbo Hydra-Matic
