United States GP West: Vittorio Brambilla, Surtees TS19 Ford suffers front suspension damage as Patrick Depailler, Tyrrell P34 Ford, Gunnar Nilsson, Lotus 78 Ford and Alan Jones, Shadow DN8 Ford.
Vittorio Brambilla, Surtees TS19 Ford suffers front suspension damage as Patrick Depailler, Tyrrell P34 Ford, Gunnar Nilsson, Lotus 78 Ford and Alan Jones, Shadow DN8 Ford.