Ku sii qor faqradan - Laga soo bilaabo 1958 isagoo wata Lotus VI horyaalka 1172, 1959, Hart wuxuu la midoobay Len Terry si uu ugu wado Terrier Mk2 horyaalka wuxuuna ku guuleystay Chapman Trophy. Sanadkii 1960, wuxuu watay Terry's Formula Junior Terrier Mk4 oo hor leh oo hor leh wuxuuna horumariyay madaxa hoos u dhaca ee loogu talagalay mashiinka Ford Anglia ee ku shaqeeya gaariga. Oulton Park bishii Oktoobar 1960, Hart waxaa ku dhacay shil baabuur oo xun, taas oo keentay in Terry uu naqshadeeyo Mk4 taxanaha 2, kaas oo Hart uu kaxeeyay 1961. Gawaarida gadaal-u-qaadista ayaa hadda ahaa gobolka farshaxanka iyo Hart wuxuu lahaa guul xaddidan oo kaliya baabuurka. Hart wuxuu ku raaxeystay xirfad guul leh oo ah darawal ahaan noocyo kala duwan oo hal-kursi ah. Wuxuu ku tartamayay Formula Junior iyo Formula Three, ka dibna wuxuu ka qalin jabiyay Formula Two kooxda Lotus Formula Two ee uu maamulo Ron Harris. Wuxuu ku tartamay dhowr tartan oo aan ka tirsanayn horyaalka Formula One isagoo adeegsanaya gawaarida Formula Two sanadkii 1967, wuxuu u qalmay Grand Prix-ka Jarmalka
Nürburgring oo ku jirta Protos-Cosworth.