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This is no ordinary C4 coupe, but a GM Engineering test mule with VIN plate EX4607 proudly displayed in the windscreen, built in 1986 to test all the new-for-1988 features. This actual car must have spent weeks pounding round the General Motors Proving Ground at Milford, Michigan with longer runs on the road, testing all the changes for a year which saw the C4 suspension, steering and brakes vastly improved.
Stingray Atlantic Concept
Chevyt presented a trio of Corvette Stingray concepts. Many of the items fitted to the cars are available through the Chevrolet Accessories and Chevrolet Performance catalogs. Designed with cruising in mind, the Stingray Atlantic convertible concept features stunning Blade Silver paint, while the Stingray Pacific concept is more race-inspired and the Stingray Gran Tourismo was created to commemorate the 15th anniversary of the Gran Tourismo video game.
Chevrolet had actually planned on making a family minded sports car at a rate of 40 per year, and to call it "Corvette America." It was designed by California Custom Coach in Pasadena. The one prototype and five production cars that were assembled were built by cutting two cars in half which, when mated together, extended the wheelbase of the vehicle by 30 inches.
The Carlisle Blue Grand Sport Concept is painted in a very cool Carlisle Blue exterior with exquisite Pearl White full-length racing stripes. This color combination is highlighted with Silver-painted Torque 2 wheels. The Corvette also benefited from carbon fiber front splitter and rockers, a full-width rear spoiler, and a Grand Sport style hood blanket. For the interior, Chevrolet has opted for Ebony/Titanium leather with blue stitching, a new Bose Premium Audio with nine speakers.
SIDESWIPE takes the form of a sleek, vision concept dreamed up by the Corvette designers at GM. The design is influenced by the original Stingray race car, introduced in 1959, but also draws on Corvette heritage cues from other generations. It brings them together in a futuristic shape that seems to be equal parts racecar and space ship.
The XP-895 was one in a series of experimental Corvettes built to explore alternative engine placements and chassis layouts. This vehicle features an 400 cid small block V8 mounted transversely in a mid-engine position. It utilizes a Turbo Hydramatic transmission via a bevel gear box. The body panels are all aluminum.
Though the first two prototype cars to carry the Astro namesake were relatively well known, the third entry in this conceptual saga was somewhat obscure and significantly more bizarre. At the 1969 Chicago Motor Show, Chevrolet unveiled the Astro III which was a gas-turbine prototype that featured a tricycle wheel arrangement.
The Stingray that never was. The stretched version of this new Corvette model for 1963 has rear seating and was built as ordered by Chevrolet chief Ed Cole. Larry Shinoda designed this coupe, that never went into production because the demand for the two seated Stingray already was overwelming. A running prototype of a 2+2-seat C2 Corvette intended to compete with the Ford Thunderbird was built, but the project was canceled.
Only Bill Mitchell could get away with this. Bill always managed to have a hot daily ride. Engineering prototypes that weren't street-legal stayed behind the fence, but many of the show car Corvettes managed to go home with Bill. His usual statement on his "design study" cars was, "This thing runs like a bear!" For the Mulsanne Bill added, "This is the best Stingray ever."
The Mako Shark II was a radical concept that shaped Stingray years later. While showcasing distinct design cues, the Mako Shark contained many notable features for 1965. It had a one-piece front-end that hinged forward for access to the engine bay, a removable hardtop, knock-off aluminum wheels and a big-block 427. Chevrolet received overwhelming requests to have it produced.
Built for outright top speed, this prototype Corvette was built by Zora Duntov. He successfully piloted the car to a two-way average speed of 150 mph in January of 1956 at Daytona. Later two more similar cars were built for the 1956 Daytona Speed Weeks in February. After initial resistance from Engineering, Duntov’s cam was delivered to the Proving Ground.
The 1992 Stingray III / California Stingray Concept was developed by John Schinella (and team) at GM's Advance Concept Center in Los Angeles. The 1992 concept is a world away from the C4. But the dominant motifs of a smooth rounded Corvette did come to production on the C5. This prototype looks distinctly upmarket, the rear shares a shocking similarity to the Jaguar XK8, without a flat surface in sight.
Carl Renner was responsible for the Nomad which was essentially a Corvette built with an extended station wagon roof. This meant the Corvette shared its lightweight fiberglass body, ‘Blue Flame’ inline-6 engine and curvaceous styling with the Nomad.
When the crankshaft broke on Gary Laughlin’s Ferrari Monza he had had enough. Being the owner of several Chevrolet dealers, he turned to Peter Coltrin to have a few rebodied. Fortunately, they pursued Sergio Scaglietti who made three fastback coupes on the Corvette chassis.
The GS II (Grand Sport II) was a test vehicle completed in late 1963 by Chevrolet Engineering Center (C.E.C.). The chassis was constructed of spot-welded sheet steel and was fitted with narrow tires. With only minor testing done at GM’s test facility in Michigan, the vehicle was shipped to Texas to the Chaparral Cars test facility.
CERV IV was nothing more than a C4 with the all new powertrain and interior in it. Read the commentary of a car magazine reporter: "We suspect that the first, very early prototypes of the all-new, Gen III ran on the dynos at GM Powertrain sometime in the early spring of 1993. In-vehicle testing began at the GM Milford Proving Ground in the first week in May of 1993 with the "Chevrolet Engineering and Research Vehicle IV-A".
The XP-819, developed in the mid-1960s, was an engineering exercise to test a rear engine concept for the Corvette. The body was designed by Larry Shinoda. You can see styling cues in XP-819 that later appeared in Shinoda's famed "Sting Ray" design. A GM marine engine powers the car so the two-speed transaxle would operate properly. The entire chassis, suspension, and steering are custom made components unique to this car.
There were several successful attempts to build a convertible ZR-1, most of them by private people. The DR-1 was a GM prototype to test the structural integrity of the ZR-1 chassis when it would be topless. The car was built by American Sunroof Corporation (ASC) for Don Runkle, who was the vice-president of Advanced Engineering Staff, which explains the “DR-1” designation. It was a standard convertible transformed to ZR-1 specs.
Duntov laid out three design concepts that took decades to implement. The first was his proposal for the 1957 Q-Corvette. This design called for the following: an all-aluminum, fuel-injected small-block engine, four-wheel independent suspension, four-wheel disc brakes, and a transaxle. This design concept arrived in 1997 as the C5.
The 1973 Chevrolet XP-898 concept car was built with a frameless fiberglass foam sandwich body and chassis. This two-seater sports coupe offered a unique look at alternative engineering approaches to future techniques in design and manufacturing. The entire body consisted of four lightweight fiberglass outer body panels.
The 2011 Chevrolet Corvette Z06X Track Car Concept was designed to suggest new components and a new idea for transforming a production Corvette into a serious and closed-course track car. This track car concept was developed and produced by Chevrolet in partnership with Pratt and Miller, the partners in Corvette Racing in the American LeMans Series. The competition-oriented modifications of the concept include a polycarbonate rear window, roll cage, safety harness, racing seat.
In 1977, GM chairman Thomas Murphy gave the Aero-vette the green light. It was approved for production, and slated to be released in 1980. Despite being greenlit for 1980 production as the upcoming C4 Corvette, Arkus-Duntov's replacement Dave McLellan decided for a number of reasons (cost and tradition among them) to stick with the Corvette's tried and true front-engine configuration
If you were a senior GM employee, one of the perks was being able to have your own custom built for you. Bill Mitchell was known for it, but this SR-2 Lookalike was built for GM president Harlow Curtis, who was president of GM during the period that the SR-2 were developed. The lookalike was built by GM’s styling staff and presented to him.
Chevrolet Corvette Mulsanne Showcar, 1974. Created by Bill Mitchell, the Mulsanne was a development of several previous Corvette “specials”, the 1969 Aero and the 1970 Scirocco. By 1974 it had been bored out to 454 ci and fitted with an experimental Rochester fuel injection system, it also had a periscope rearview mirror system.
This vehicle pioneered the advantages of “Active Suspension” and had GTP Corvette race car technology. Built at the Bowling Green Plant, this vehicle was developed as a prototype for a limited edition run in the 1990 model year. Chevrolet ordered it to be built with a complex, high-tech active suspension that includes an Eaton hydraulic pump and Moog actuators. This car and the technology inside of it led to the Active Handling system GM released in 1996.
The Corvette Rondine concept was built by Pinanfarina and introduced at the 1963 Paris Motor Show. The car started life as a 1963 split-window Corvette, which is all the more unusual because Chevrolet introduced the split-window coupe at the same time that Pinanfarina was introducing a custom-built Corvette based on that very same platform.
How do you beat a slew of Fox-Body 5.0 Mustangs that seemingly dominated the roads in the late '80s? You take a 454 cu.-in. big-block engine and stuff into a C4 Corvette and call it "Big Doggie". An experimental vehicle used to determine how to convert from a small block to a big block. Its 454 big block V8 along with its orange paint make this high horsepower engineering study a one-of-a-kind standout in Corvette history. The car had as much HP as the '90 ZR-1 did and it was named "ZR-2" or "Big Doggie". Old dog, new tricks joke?
"Hot" is an apt description of this special coupe's drivetrain. Its 6.6-liter engine produces 512 horsepower and 523 lbs.-ft. of torque. Mated to a four-speed automatic transmission and featuring a 3:41 geared limited slip differential and four-wheel independent suspension, this "Vette takes a backseat to no other vehicle. The White Shark Corvette also features power rack-and-pinion steering to precisely pilot this vehicle and four-wheel disc brakes with ABS.