What Is the 1988 Callaway Sledgehammer Corvette and Why Is It So Dang Fast?!

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What Is the 1988 Callaway Sledgehammer Corvette and Why Is It So Dang Fast?!
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For 11 years, this one-off twin-turbo Corvette was the fastest street car in the world at 254 mph.

, said to pack upwards of 900 horsepower via a twin-turbocharged V-8. This formula for building Corvettes, however, is far from a new idea. Beginning in 1987, Reeves Callaway ofin Old Lyme, Connecticut, began building twin-turbo Corvettes in a unique collaboration with Chevrolet : Anybody could order a Callaway Twin-Turbo Corvette from a Chevy dealership by simply checking the box for the “B2K” twin-turbo option.

The crowning achievement was partly the result of a serious engine-building program by John Lingenfelter .

The Sledgehammer marked the first use of Callaway’s aerobody kit and made of GE’s new Xenoy plastic resin technology Aerobody-equipped B2K Callaway Corvettes sell at auction on average for $62,700, while non-aerobody-equipped B2K twin-turbo Callaway Corvettes average $22,175, a difference of $40,525

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