South African GP: Carlos Pace, Brabham BT45B Alfa Romeo, leads Jochen Mass, McLaren M23 Ford, Mario Andretti, Lotus 78 Ford, and Carlos Reutemann, Ferrari 312T2.
Carlos Pace, Brabham BT45B Alfa Romeo, leads Jochen Mass, McLaren M23 Ford, Mario Andretti, Lotus 78 Ford, and Carlos Reutemann, Ferrari 312T2.