Watch on Soap2day. This edition of the high-octane Best Motoring series focuses on the breathtaking touge races, in which two drivers are pitted against each other on dangerous winding mountain roads. Featuring the top drivers of the Japanese JGTC, D1 Grand Prix and Formula Nippon racing circuits at Willow Springs International Speedway, this special captures red-hot American-tuned cars in blistering high-speed action.