24 Hours of Le Mans: Udo Schütz / Piet de Klerk, Porsche System Engineering, Porsche 906/6 Carrera 6 Langheck, leads Hans Herrmann / Herbert Linge, Porsche System Engineering, Porsche 906/6 Carrera 6 Langheck.
Udo Schütz / Piet de Klerk, Porsche System Engineering, Porsche 906/6 Carrera 6 Langheck, leads Hans Herrmann / Herbert Linge, Porsche System Engineering, Porsche 906/6 Carrera 6 Langheck.