Chevrolet’s high-speed rollout of the Corvette C7 races on. Detroit’s 2014 auto show will bring the unveiling of the even-higher-performance Z06 and the C7.R race car. That competition version will get its first racing test in January’s Rolex 24 at Daytona. Ferrari, SRT, and Porsche beware: Chevrolet’s quite proud to point out it won 12 [...]