Pedzisa mutsara unotevera: Muna 1967, Leonard aizotanga mwaka weSheraton-Thompson Racing mu # 82 Sheraton-Thompson Racing Lotus-Ford uye aizowana nzvimbo yechina muJimmy Bryan Memorial yekuvhura mwaka paPhoenix International Raceway. Kutanga pa
Indianapolis 500 Leonard aizotyaira # 4 Sheraton-Thompson Racing Coyote-Ford. Munhangemutange iye aizokodzera panzvimbo yechishanu uye aizopedza panzvimbo yechitatu. Leonard aizochinja motokari yake zvakare nokuda kwemakwikwi maviri akaumba Telegraph Trophy 200 paMosport Park apo akatyaira # 4 Sheraton-Thompson Racing Eagle-Ford.