Spa 1000 kms: Jo Siffert / Brian Redman, J. W. Automotive Engineering, Porsche 917K 014 leads Peter Schetty / Arturo Merzario, Spa Ferrari SEFAC, Ferrari 512 S 1044.
Jo Siffert / Brian Redman, J. W. Automotive Engineering, Porsche 917K 014 leads Peter Schetty / Arturo Merzario, Spa Ferrari SEFAC, Ferrari 512 S 1044.