Why It Matters
The 1957 Corvette offered a three-speed manual, Powerglide automatic, and a four-speed manual introduced during the model year. The selected transmission must be reconciled with build timing, engine configuration, axle ratio, stampings, castings, and factory paperwork.
Also Known As
1957 Corvette three-speed1957 Corvette four-speed1957 Corvette Powerglide
