1988 Chevrolet Corvette Callaway Sledgehammer 1G1YY2180J5109700 – did not sell for $600,000 The Sledge Hammer was built to exceed all top speed records as the showcase for Callaway’s Turbo technology. A new no-cost optional six-speed ZF manual transmission replaced the previous four-speed unit in 1989. featuring 8 1988 sledgehammer corvette high-resolution photos and 1 video. 1988 Corvette Information, C4 Corvette Information, Corvette News and Archives Today on our blog we are looking at a video of the history of the Callaway Corvette SledgeHammer that Callaway Cars put up on the Facebook page. It was designed to help the Corvette meet U.S. fuel economy standards. Finally, a Corvette with Real Seats. With 0.9-g cornering, reliable Chevy small-block V-8 performance, and excellent brakes, the C4 quickly proved its … September 1984 through 1988 Corvettes offered a Doug Nash designed "4+3" transmission – a 4-speed manual coupled to an automatic overdrive on the top three gears. At 3:45pm on October 26th, 1988, the Sledgehammer Corvette rocketed into the record books with an astonishing 254.76 mph top speed run. 1988 Corvette Specifications - 1988 Corvette Spec Sheet. Chevrolet celebrated the Corvette's 35th anniversary with a special edition, a white coupe with a black top. Power ratings for the B2K Callaway cars increased to 382 hp and 562 ft-lb of torque. [53] The arrival of the 1988 model year brought with it the 35th anniversary of the Chevy Corvette. Available Colors: Silver Metallic, Medium Blue Metallic, Dark Blue Metallic, Yellow, White, Black, Dark Red Metallic, Bright Red, Gray Metallic, Charcoal Metallic, White/Black. For General Motors as a whole, and especially for the teams of people responsible for the design and development of “America’s Sports Car”, this anniversary was significant not only because of the milestone it represented, but because the … 1988 sledgehammer corvette media gallery. On October 26, 1988 at 3:45PM John Lingenfelter drove the Sledgehammer to its record speed of 254.76 MPH. Highlights of the year: The arrival of the 1988 model year brought with it the 35th anniversary of the Chevy Corvette. CONTACT US WHEN READY TO BUY, SELL, LEASE, TRADE OR SHIP A CORVETTE 866-838-8363 - 866-VETTENET Freer-breathing cylinder heads and a reprofiled camshaft gave the L98 small-block another five horses -- now up to 245 bhp, though torque was unchanged. All 1988 Corvettes received dual-piston front brakes, and coupes fitted with a 3.07:1 rear axle were rated at 245 hp rather than 240 hp. THE VETTE NET - YOUR MODERN SOLUTION FOR ALL CORVETTE NEEDS. 2050 of this limited edition were built and sold. 1988 C4 Corvette 1988 Corvette Overview. For Corvette's 35th anniversary year, the 1988 Corvette was again treated to important engine and chassis upgrades. 1988 Callaway Corvette Twin-Turbo up for Auction. 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