Mezue ahịrịokwu na-esonụ: Site na mbata nke mmetụta ala na 1978, ụgbọ ala ahụ ghọrọ ihe mgbe ochie, ọbụlagodi na nhazi WR4 ya, ma jiri ya mee ihe naanị n'ụfọdụ n'ime agbụrụ. WR3 na mgbe e mesịrị WR4 e nyere Theodore Racing maka ọhụrụ ha recruit Keke Rosberg, onye okokụre naanị otu nke ya agbụrụ na ụgbọ ala, na 1978 German Ukwu Prix. Scheckter gbatara otu ọkwá n'asọmpi WR1 na
1978 Monaco Grand Prix. N'etiti oge ahụ, a gbanwere atụmatụ WR1 na Wolf WR5 ọhụrụ.