Why It Matters
A close-ratio three-speed manual was standard for 1956, while the two-speed Powerglide remained optional. Chevrolet's published table divides the 3,080 dual-quad cars into 1,510 manuals and 1,570 Powerglides but does not publish the transmission split for the 387 standard-engine cars. Case, date, linkage, engine suffix, and history remain necessary for car-specific verification.
Also Known As
1956 Corvette three-speed1956 Corvette PowerglideRPO 313 Powerglide