Brabham and Repco were aware that the engine would not compete in terms of outright power, but felt that a lightweight, reliable engine could achieve good championship results while other teams were still making their new designs reliable.
Brabham e Repco eran conscientes de que o motor non competiría en términos de potencia absoluta, pero consideraban que un motor lixeiro e fiable podería lograr bos resultados no campionato, mentres que outros equipos aínda estaban facendo fiables os seus novos deseños.