Tuhia he haere tonu mo tenei whitianga - I muri i te pakanga, ka hoki a Bira ki te whakataetae me etahi roopu. I te tau 1951 i whakataetae ia i roto i te Maserati 4CLT tawhito i whakauruhia ki te miihini V12 Osca hou. Kāore he hua i puta i tēnei tau nā te kino o te mahi a te motokā i honoa ki tētahi aitua nui. I te tau 1954, me te motuka hou, he Maserati 250F, i wikitoria ia i te Grand Prix des Frontières i te ara ara Chimay ka mutu te tuawha i te 1954 French Grand Prix
me tana ake Maserati. I te marama o Hanuere 1955, i wikitoria ia i te New Zealand Grand Prix i Ardmore; i reti ia i te mutunga o taua waa.