 Nyorai kupfuurira kweiyi ndima - Nokuda kwa1973, Shadow akapinda muF1, uye Oliver akasarudzwa somutungamiri wechikwata. Shadow DN1 yakaratidza kuva chassis yakaoma, uye zvakare mwaka wake wakaparadzwa nezvikanganiso zvema mechanical. Zvisinei, muCanada Grand PrixAkamhanya zvakanaka, uye vakawanda vanodavira kuti chaizvoizvo akakunda nhangemutange yacho, asi chati dzedenderedzwa dzakapinzwa mukuvhiringidzika nemvura inonaya ichireva kumira kwakapetwa kanoverengeka, uye kushandiswa kunokatyamadza kusina mano kwemotokari yokumhanyisa navanoronga. Sezvazvakanga zvakaita, Oliver akarongwa wechitatu, magumo ake bedzi egore. 