The C7.R Corvette by Pratt & Miller is one of the winningest race cars in modern history. Explore what makes this Corvette a winner on race day, and discover the connection between the C7.R and the seventh-generation Chevy Corvette Z06. At the core of the C7.R Corvette is a direct carry-over from its predecessor - the same 5.5 liter engine that was developed during the C6.R's successful tenure in both the American Le Mans series and at The 24 Hours of Le Mans.