Why It Matters
A three-speed manual was standard; M20, M21, M22, and M35 Powerglide were regular options. Case, stamp, date, ratio, shifter, linkage, drivetrain compatibility, and paperwork must agree for individual-car claims.
Also Known As
1966 Corvette three-speed1966 Corvette M201966 Corvette M211966 Corvette M221966 Corvette Powerglide
