 Nyorai kupfuurira kweiyi ndima - Muna 1963 Lederle akatyoka gumbo mukudzidzira kweRand 9 Hours mujaho wemotokari yemitambo uye akarasikirwa nechikamu chikuru chemwaka wa1964 achirapa. Akadzoka neLotus 21 yake yekupera kwemwaka 1964 Rand Grand Prix kwaakapedza 10th, asi akatadza kukwanisa January 1965 South African Grand Prix. Pashure pokuodzwa mwoyo uku, Lederle chaizvoizvo akarega kumhanya kuti afunge nezvezvinodiwa zvebhizimisi, izvo zvaisanganisira mutengesi weVolkswagen. 