Daytona 24 Hours: Jo Siffert / Hans Herrmann, Porsche System Engineering, Porsche 908L leads Vic Elford / Brian Redman, Porsche System Engineering, Porsche 908L.
Jo Siffert / Hans Herrmann, Porsche System Engineering, Porsche 908L leads Vic Elford / Brian Redman, Porsche System Engineering, Porsche 908L.