Pratt & Miller Engineering and Fabrication is a company formed by Gary Pratt and Jim Miller in 1989. Based in New Hudson, Michigan, they have been one of General Motors official racing teams since 1999 when they were key in the development of the Chevrolet Corvette C5-R. Today, Pratt & Miller constructs, maintains, and runs the United SportsCar Championship Corvette Racing team with Chevrolet Corvette C7.Rs as well as the Pirelli World Challenge Team Cadillac CTS-Vs. The company also built the Pontiac GTO.Rs and Pontiac GXP.Rs, and later the Chevrolet Camaro GT/GS.R for various teams in the Rolex SPORTS Car Series. The company built and ran the Chevrolet Corvette C6.R in the American Le Mans Series as well. The company also did work on the development of the Qvale Mangusta and Ford GT. Sin.
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