24 Hours of Le Mans: Walter Brun / Peter Mattli, Andrè Wicky Racing Team, Porsche 907 follows Dr. Helmut Marko / Gijs van Lennep, Martini International Racing Team, Porsche 917 K
Walter Brun / Peter Mattli, Andrè Wicky Racing Team, Porsche 907 follows Dr. Helmut Marko / Gijs van Lennep, Martini International Racing Team, Porsche 917 K