Dee ihe ga-aga n'ihu na paragraf a - Bruce McLaren mere ndị otu Grand Prix mbụ na 1966 Monaco agbụrụ (nke ugbu a Formula One ìgwè naanị Ferrari bụ okenye). Ọsọ ya kwụsịrị mgbe agbachara ya gburugburu itoolu n'ihi nsị mmanụ. Ụgbọala ahụ bụ M2B nke Robin Herd mere, mana usoro ihe omume ahụ nwere nsogbu site na nhọrọ nke engines: a na-eji ụdị 3.0 nke Ford's Indianapolis 500 engine na Serenissima V8 mee ihe, nke ikpeazụ na-eme akara mbụ nke ìgwè ahụ na Britain
, ma ha abụọ adịghị ike ma bụrụ ndị a na-apụghị ịdabere na ha. N'ihi na Bruce kpebiri iji British Racing Motors (BRM) V12 engine, ma n'ihi igbu oge na engine, a manyere ya na mbụ iji a gbanwetụrụ Formula Abụọ ụgbọ ala a na-akpọ M4B kwadoro site na a 2.1-liter BRM V8, mgbe e mesịrị na-ewu a yiri ma ubé ibu ụgbọ ala a na-akpọ M5A maka V12. Enweghị ụgbọ ala ọ bụla wetara nnukwu ihe ịga nke ọma, nsonaazụ kachasị mma bụ nke anọ na Monaco.