Reeves Callaway's fitting of twin turbos to an Alfa Romeo GTV6 impressed Chevrolet bosses. With his Alfa boasting an output of 230bhp (172kW), well up on the standard car, he was asked to do the same to a Corvette. Three years later the Callaway 'Sledgehammer' appeared, an 880bhp (656kW) supercar with the body re-designed by French-Canadian stylist, Paul Deutschman. The Speedster's debut at the Los Angeles Auto Show in 1991 led to 50 orders. Underneath the dramatic low body, with 7 inches (178mm) chopped out of the stock Corvette's screen, was adjustable coilover suspension at each corner, plus uprated Callaway/Brembo brakes using vented discs and four-piston callipers. The engine was stripped and fitted with an upgraded crankshaft and new pistons to allow the fitting of twin RotoMaster turbos with intercooling. Callaway continues his modified Corvette business today.
Callaway Corvette Speedster Specifications
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