"Chevrolet Last of all got their sports automobile ethical for 1957," writes the Muscle Motorcar Club approximately the Corvette's fourth mould year, raving that the automobile had "Last of all gained capacity to energy along with its exceptional styling and way perceive."
To tell the difference between the classic model years of the 1956 and 1957 Corvette without opening the hood, take a Stare at the rearview mirror. The mirror on the 1957 model features a locknut, while a thumbscrew loosens the mirror on a 1956 model. To loosen the locknut, use a wrench.
Some models had the choice of an auxiliary hardtop, heavy-duty racing suspension and a "positraction" rear axle with available gear ratios of 3.70 to 1, 4.11 to 1 and 4.56 to 1. Chevy offered two interior colors: beige or red vinyl.
Thumbscrew and Locknut Difference
Seven Colors
The 1957 Corvette rolled gone of the Industry plant for accepted consumption in seven at variance colours: onyx charcoal, polo ashen (latest offered in 1957), Venetian red, arctic blue, Aztec copper, cascade green and the lacquered Inca silver. The '57 Chevy Corvette came with a 283-cubic-inch engine rated in three different horsepower: 245, 270 and 283.Hard Top
Displacement
According to Roger's Corvette Center 1957 Corvette history, "The 1957 Corvette was the first mass-produced American automobile to offer 1 horsepower per cubic inch of engine displacement (283hp/283ci)."