 Nyorai kupfuurira kweiyi ndima - 25 yakashandiswa zvakare mukati megore ra1964, ichikunda mamwe makwikwi matatu mumaoko aClark. Pamakwikwi okupedzisira muMexico, sezvakanga zvakaita muna 1962, injini yeClimax yakatanga kubuda mafuta uye nokungoti Clark akanga ava kuda kumhanya, akambomira achida kukunda mumakwikwi enyika, panguva ino achitadza kukunda John Surtees. Pasinei nokuunzwa kweLotus 33 muna 1964, 25 yakanga ichiri kushandiswa kusvikira mugore ra1965, Clark achitora kukunda kwekupedzisira kwemotokari pa1965 French Grand Prix. 