24 Hours of Le Mans: Jo Siffert / Colin Davis, Porsche System Engineering, Porsche 906/6 Carrera 6 Langheck, leads Günther Klass / Rolf Stommelen, Porsche System Engineering, Porsche 906/6 Carrera 6.
Jo Siffert / Colin Davis, Porsche System Engineering, Porsche 906/6 Carrera 6 Langheck, leads Günther Klass / Rolf Stommelen, Porsche System Engineering, Porsche 906/6 Carrera 6.