Mezue ahịrịokwu na-esonụ: P115 mbụ pụtara na Dutch Grand Prix (yana ọhụrụ Brabham BT24 na Lotus 49) ma ọ bụghị raced ruo mgbe
Nnukwu Prix nke Germany na Nürburgring. Stewart na-aga nke ọma na Nürburgring ma nwee ike ịkwado ụgbọ ala ahụ n'ahịrị nke mbụ na oge nke atọ kachasị ọsọ nke 8:15.2. N'ịbụ onye dara n'ọkwa nke asaa mgbe ọ malitere, Stewart jisiri ike laghachi n'ọkwa nke atọ site na lap 5 mgbe agbụrụ ya kwụsịrị site na otu ọdịiche dị iche iche nke metụtara Spence P83 na mbido agbụrụ ahụ.