Corvette legend Reeves Callaway built the Sledgehammer as a testbed ... commissioning Canadian Paul Deutschman to come up with a low-drag C4 shell known simply as the AeroBody.

The Callaway "Sledgehammer", a heavily modified 1988 Corvette C4, became the fastest street-legal car in the world with a top ...

Back in 1988, the Callaway team set out on Project Sledgehammer with the goal of pushing the C4 Corvette platform to its absolute limit in order to create the most uncompromised roadgoing Vette ever.

Both cars were based on the ZR1 version of the fourth-generation (C4) Corvette. The Super Speedster LM was the result of a collaboration between Callaway Cars’ founder, Reeves Callaway ...

But ever since its sanctioned-by-GM, twin-turbo C4 Corvette launched to great acclaim in 1987, the company has mostly stuck with modifying Chevy’s sports car. Callaway’s latest C6 Corvette ...

Reeves Callaway is no stranger to high-performance vehicles. The professional racer turned engineer developed a twin-turbo kit for the C4 Chevrolet Corvette in the 1980s, and he's been building ...

The one-of-one Callaway Sledgehammer C4 Corvette was built to do two things — crack 250 mph, and not fall apart in the process. John Lingenfelter blasted past that objective on October 26 ...

a C4 Corvette with low-drag aerodynamic bodywork and an 898-hp twin-turbo V-8. The Sledgehammer hit a top speed of 254.76 mph and forever linked Reeves Callaway and the Chevrolet Corvette.

Enter Reeves Callaway. Like many of us ... The first of these was a twin-turbo C4 Corvette, an extreme example of which—Project Sledgehammer—reached 254.8mph (410km/h) in testing in 1989.

When it comes to rare Corvettes, a genuine Twin-Turbo C4 has to be among the most special of the family. Only 125 cars were made in 1988, but the Callaway Twin-Turbo C4 was not just rare ...

Callaway first started tinkering with Corvettes three generations ago with the C4 Corvette, when Reeves Callaway developed a twin-turbo kit in the 1980s. Since then, the company has had their ...

the C4 ZR-12’s power plant screams of torque, compromised fuel economy and a brief idea that overall made less sense than selling Callaway’s twin-turbo Sledgehammer Corvettes through Chevy ...