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This Sledgehammer reached 254.76 mph at the Transportation Research Center (TRC) in Ohio and became the world’s fastest street-legal car for some time. It was built up by Reeves Callaway in Connecticut as an example of what was possible with the new ZR1 and and turbocharging its LT5 engine. The result was a 898 bhp coupe that still retained luxuries such as air conditioning and a radio. It got this power by using a NASCAR-spec block with Mahle pistons and a massive turbo.
In 1989 Callaway introduced a Speedster which was the culmination of their styling, engineering and trimming talents. Their first example was a bright green ZR1, which had a severely chopped windscreen, no side mirrors, eighteen inch wheels and a vibrant blue leather interior stitched purposefully from Germany. Nothing about Callaway’s Speedster was reserved, and this is especially true when investigating the specification. The car had 450 horsepower.
1996 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1996 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1995 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1995 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1994 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1994 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1993 Corvette Owners User Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1993 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1992 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1992 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1991 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1991 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1990 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1990 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1989 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1989 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1988 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1988 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1987 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1987 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1986 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1986 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1985 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1985 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
1984 Corvette Owners Manual
This Owners Guide contains important information regarding the operation and maintenance of your 1984 Corvette. In order to obtain maximum enjoyment and usage from your car, we suggest that you familiarize yourself with the contents...
When Chevrolet changed gears to the LT1 engine, Callaway revealed their new SuperNatural line and the CR1 based on the ZR1’s LT5. Options for the CR1 included the radical Aerobody, German upholstery and special wheels, brakes and exhausts. The CR1 used a larger displacement to produce either 475 or 490 bhp.