Brazilian GP: Jacques Laffite, Ligier JS11/15 Ford, leads René Arnoux, Renault RE20, Didier Pironi, Ligier JS11/15 Ford, and Elio de Angelis, Lotus 81 Ford.
Jacques Laffite, Ligier JS11/15 Ford, leads René Arnoux, Renault RE20, Didier Pironi, Ligier JS11/15 Ford, and Elio de Angelis, Lotus 81 Ford.