 Nyorai mberi kweiyi ndima - Stebro aiva mugadziri weCanada weFormula Junior motokari dzomutambo. Chikwata chacho chakakwikwidzawo muimwe nhangemutange yeFormula One, 1963 United States Grand Prix, uko motokari yavo imwe chete yakapedza iri panzvimbo yechinomwe. 