South African GP: Jacques Laffite, Ligier JS11 Ford, leads Jean-Pierre Jarier, Tyrrell 009 Ford, Mario Andretti, Lotus 79 Ford, René Arnoux, Renault RS01, and Carlos Reutemann, Lotus 79 Ford.
Jacques Laffite, Ligier JS11 Ford, leads Jean-Pierre Jarier, Tyrrell 009 Ford, Mario Andretti, Lotus 79 Ford, René Arnoux, Renault RS01, and Carlos Reutemann, Lotus 79 Ford.