Best Motoring International presents an inside look at the Porsche 996 Turbo from the tires up, with the 996 undergoing rigorous challenges against the muscular Corvette Z51 and Ferrari's 360 Modena. Then the action heats up in battles with the Nismo-prepped Nissan Skyline GT-R, the Mitsubishi Lancer EVO VII and Honda's NSX Type S and Civic Type R.