Kammala jumla mai zuwa: A cikin 1961 'yan uwan Samengo-Turner (Paul, William & Fabian) sun nemi Parnell ya karɓi kulawar yarjejeniyar tallafawa ƙungiyar Yeoman Credit Racing daga Ken Gregory na Kamfanin Racing na Burtaniya. A lokacin 1961 Formula One kakar, ya gudu biyu Cooper T53 Low-Line<unk>Climax motocin ga John Surtees da Roy Salvadori, wanda tsakanin su tattara wani dintsi na gasar Championship maki. A lokacin kakar 1962, an sake sunan kungiyar Bowmaker-Yeoman Racing, kuma a maimakon Coopers, ya gudu Lola Mk4 chassis, sake powered by Climax injuna. Surtees da Salvadori sun kasance tare da ƙungiyar, amma Salvadori yana da mummunan yanayi, ya kasa gama tsere guda ɗaya. Surtees ya fi kyau, duk da haka, ya zira kwallaye 19 kuma ya gama a matsayi na hudu a gasar zakarun Turai. A lokacin kakar wasa ya kuma bai wa Parnell nasa na farko podium gama a matsayin kocin <unk> tare da wurare biyu a duka Birtaniya da kuma
Wasannin Jamus <unk> kuma ya ɗauki matsayi na farko a gasar Grand Prix ta Dutch da ke buɗe kakar.