Rubuta ci gaba don wannan sakin layi - Kokarinsu ya jawo hankalin kamfanin kera motocin wasanni na Italiya De Tomaso, wanda ya gina Formula One chassis (wanda Gian Paolo Dallara ya tsara) don kakar 1970. Koyaya, motar ba ta da gasa da farko, ta kasa gama tsere huɗu na farko na shekara. A karo na biyar, gasar Dutch Grand Prix
, De Tomaso 505/38 ya juya ya kama wuta, ya kashe Courage. Mutuwar abokinsa ya ɓata wa Williams rai sosai; an danganta tazarar da shugaban ƙungiyar ya sanya tsakanin kansa da direbansa da wannan taron. Teamungiyar ta ci gaba, duk da haka, da farko tare da Brian Redman, sannan tare da Tim Schenken. Ba tare da wani sakamako ba, an rushe haɗin gwiwa tare da De Tomaso.