The Porsche 908/03 combined the consistent lightweight construction of a mountain racing car with the sheer power of a long-distance prototype. The career of the lightweight Spyder was short-lived, but all the more impressive for it. On demanding circuits such as the Targa Florio or the Nürburgring, it gave the 917, which was spoiled for success, no chance. This article from the series "Technology in racing cars" explains what made the 908/03 so superior.