Canadian GP: Vittorio Brambilla, March 761 Ford and Patrick Depailler, Tyrrell P34 Ford battle ahead of Mario Andretti, Lotus 77 Ford, Jody Scheckter, Tyrrell P34 Ford and Niki Lauda, Ferrari 312T2.
Vittorio Brambilla, March 761 Ford and Patrick Depailler, Tyrrell P34 Ford battle ahead of Mario Andretti, Lotus 77 Ford, Jody Scheckter, Tyrrell P34 Ford and Niki Lauda, Ferrari 312T2.