Centimeter Counts News Today

Much better traction than anybody else. >> reporter: he has been porsches senior test driver for the last 17 years. he made his name back in the 70s. 4 times world rally champion he won the monte carlo rally four times, success powered by a never ending quest for perfection >> i never said, oh, i am perfect. i always say, you want it, but 5,000 kilometers and two corners was not perfect. >> reporter: its hard to explain what it is like when roehrl puts his foot down. it is about precision, speed...