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

1991 ZR-1 Snake Skinner

It all started with a factory test mule. The experiment was to see how a ZR-1 would perform if given more power and less weight. The end product resulted in a ZR-1 that was so fast it was named the "Snake Skinnner", for it's ability to out-perform the Viper and legendary Cobra.

It's stock appearance is most deceptive. Deep in it's secluded desert hideout, this Corvette underwent a metamophosis of grand proportions. The fiberglass hood was replaced with a high tech Kevlar hood with half the weight. The rear window was plexiglass. No air-conditioning, no radio, and no other power amenities were included in this "Mongoose" of a Corvette. The engine is this "SS" very unique.

The LT-5 ZR-1 engine retained it's original displacement. However, it's what's inside that counts. The cams were advanced in timing a bit, the intake throttles were modified so that all ports would flow equally and headers were bolted up to the aluminum block to increase the airflow out of this beautiful engine. A black crackle finish was placed on the surface of the engine to reveal it's secret identity. At first only 440 HP was stated, but later, 475 NET Horsepower was advertised.

Let's take a look at some figures:
0 - 60 MPH .................. 3.6 sec.
0 - 100 MPH ................. 7.8 sec.
1/4 Mile : 11.8 sec. @ 123 MPH

0 - 100 MPH - 0 : 12.8 sec.

( This beats the '65 427 Cobra Record Holder of 14 sec. )

Cornering : 1.05 g's

All of this was done with a set of Goodyear Eagle GS-CS tires, the "S" stands for "sticky", which were mounted on a set of Dymag magnesium wheels.

This type of dynamic performance was a bit too much for the corporate executives, so the Snake Skinner never became a factory option.

Enter the "Tuners"...

Both Doug Rippie and John Lingenfelter received the data required to build their own Snake Skinners. Not content with leaving well enough alone, provided LT-5 engine packages that not only delivered 475 HP with the original displacement, but also provided LT-5's that were "stroked" to 368 cubic inches and pumped out 565 Horsepower!

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