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Wow! Both the 1,250-hp ZR1X and 1,064-hp ZR1 easily broke the seven-minute barrier—with GM engineering employees, not pro ...
Chevy took it personally when the Mustang GTD became the first American car to break the 7-minute barrier at the Nurburgring.
GM released official lap times for the ZR1X, ZR1, and Z06 Corvettes running the Nürburgring in Germany beating the Mustang GTD and claiming the crown of fastest North American production cars!