Rubuta ci gaba don wannan sakin layi - Don 1951, Mutual ya haɓaka ƙimar tallan sa sosai, kuma babban mai tallafawa, Cikakken Circle Piston Rings, ya janye tallafin sa. Mutual a ƙarshe ya yanke shawarar dakatar da rufe taron, kuma ya bayyana na ɗan lokaci cewa ba za a watsa tseren 1951 a rediyo ba. A farkon watan Mayu na shekara ta 1951
, Shugaban Speedway Wilbur Shaw ya kammala yarjejeniyar minti na karshe don WIBC don rufe tseren, tare da Sid Collins a matsayin mai magana. Tsarin WIBC ya bi na Mutual, tare da ɗaukar hoto kai tsaye a farkon, ƙarshen, da sabuntawa na lokaci-lokaci a cikin tseren. WIBC ta ba da ɗaukar hoto ga kusan 25 sauran haɗin gwiwar Mutual.