British GP: Jo Siffert, BRM P160 leads Clay Regazzoni, Ferrari 312B2, Jacky Ickx, Ferrari 312B2 and Ronnie Peterson, March 711 Ford
Jo Siffert, BRM P160 leads Clay Regazzoni, Ferrari 312B2, Jacky Ickx, Ferrari 312B2 and Ronnie Peterson, March 711 Ford