Brabham pushed for further advances, and played a significant role in developing Cooper's highly successful 1960 T53 "lowline" car, with input from his friend Tauranac.
Brabham presionaba por máis avances, e tivo un papel significativo en desenvolver en 1960 o moi exitoso Cooper T53 'lowline' , con achegas do seu amigo Tauranac.