What’s a prototype?
1951 How it all began
1952 Corvette EX-122
1954 Corvette Corvair Motorama showcar
1954 Corvette Hardtop Motorama Showcar
1954 Corvette Nomad Motorama Showcar
1955 Corvette Biscayne Show Car
1956 Harlow Curtis SR-2 Lookalike
1956 Corvette Impala Show Car
1956 Corvette SR-2 Sebring Racer
1952 EX-122 Concept Car
1957 Q Corvette
1957 Corvette SS Show Car
1957 Corvette SS XP-64
1958 XP-700
1959 Stingray Racer XP-87
1959 Corvette Stingray
1961 Corvette Mako Shark XP-755
1962 C2 Prototype XP-720
1962 Four Seat Stingray Corvette XP-720 2+2
1963 Corvette Rondine Pininfarina Coupe
1963 Corvette Grand Sport
1963 Wedge Corvette Split Windshield
1964 World’s Fair Styling Study
1964 Clay model for '66 update
1964 Grand Sport GS-II(b)
1964 CERV II
1964 Pontiac Banshee XP-833
1964 Corvette XP-819 Rear Engine
1965 Corvette Mako Shark XP-830
1966 Mid Engine Styling Proposal
1967 Astro I
1968 Corvette Astro-Vette
1968 Astro II-XP-880 mid engine
1969 Astro III
1969 Manta Ray
1969 Mid Engine XP-882
1970 Scirocco Showcar
1970 Corvette XP-882
1973 Corvette 2 rotor XP-897-GT
1973 Reynolds XP-895
1973 Corvette 4 rotor XP-882
1973 Corvette XP-898
1974 Mulsanne Showcar
1976 Corvette XP-882
1979 Turbo Corvette
1978 Corvette Astro-Vette
1980 Turbo Corvette
1982 4th Generation Concepts
1984 Bertone Ramarro
1985 Corvette Indy
1986 GTP Corvette
1987 Corvette Geneve
1989 Corvette DR-1
1989 Corvette ZR-2
1990 Corvette Conan ZR-12 V12
1990 Bertone Nivola
1991 ZR-1 Snake Skinner
1992 Stingray III
2001 Corvette Tiger Shark
2003 Corvette Italdesign Moray
2009 Sideswipe

1957 Corvette SS Show Car

The third Corvette SS was the stock Corvette modified for the 1957 show circuit. It was modified in December of 1956 and shown at the Waldorf Astoria Hotel in New York City in January of 1957.

Although we've called it the third Corvette Super Sport, it may have been the first. The Corvette SS racing car and its mule test car were planned as far back as August of 1956, well before the Super Sport show car. However, it was referred to within Gm as the XP-64, and it was finished in march, well after the show car had been on the show circuit for a couple of monts.

We expect this was the order of events:
1) August 1956, the XP-64 is approved,
2) Early December, XP-64 is completed,
3) December 1956, Super Sport is built as a show car,
4) January 1957, Super Sport begins show circuit,
5) February 1957, the XP-64 is named the Corvette SS, with the understanding that this means Super Sport
6) March 1957, the SS is raced at Sebring.

If true, why were two different Corvettes names SS or Super Sport? One must recall that the XP-64 racing car was a secret project and the managers of one project may not have been aware of the other.

Besides being shown at the New York Auto Show, it made a regular circuit of many of the 1957 auto shows. It's full schedule is not clear, but it was also shown in Chicago in February of 1957.

The car was wrecked in the left front many years ago. Fortunately, the car still has all of it's unique parts and features. It is in private hands and it's being restored in original condition.

Source: Corvette, American Legend, 1957 Fuel Injection / 283 V-8

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