United States GP: Alan Jones, Williams FW07C Ford, leads Gilles Villeneuve, Ferrari 126CK, Nelson Piquet, Brabham BT49C Ford, Didier Pironi, Ferrari 126CK, and Mario Andretti, Alfa Romeo 179C.
Alan Jones, Williams FW07C Ford, leads Gilles Villeneuve, Ferrari 126CK, Nelson Piquet, Brabham BT49C Ford, Didier Pironi, Ferrari 126CK, and Mario Andretti, Alfa Romeo 179C.