Motor Racing Developments initially concentrated on making money by building cars for sale to customers in lower formulae, so the new car for the Formula One team was not ready until partway through the 1962 Formula One season.
Motor Racing Developments inicialmente concentrouse en gañar diñeiro construíndo coches para vender a clientes para as carreiras de categorías baixas, así que o novo monopraza para o equipo de Fórmula 1 non estivo listo ata comezada a tempada de Fórmula 1 de 1962.