1 John Surtees drives a Ferrari 312 to victory in the nonchampionship Syracuse Grand Prix in Italy (1966). 2 The Junior Car Club holds its first high-speed trials at Brooklands in England. Of the 48 entries, 22 win gold medals and 5 win silver medals (1925). 3 Nissan sports cars finish 1-2-4-5-6 in the Japanese Grand Prix on the Fuji circuit (1968). 5 Al Holbert drives a Porsche 962 to victory in the IMSA Camel GT race at Laguna Seca,…

Mairesse and Muller win the Targa Florio driving a Porsche 906 (1966).