However, both Porsche and TAG owner Mansour Ojjeh baulked at the requests due to the extra costs involved, reasoning that the proven race engines already had equal power and better fuel economy than all bar the Hondas, thus qualifying engines were never built.
Pero, tanto Porsche como o dono de TAG Mansour Ojjeh rexeitaron as solicitudes debido aos custos adicionais, razoaron que os motores de carreira probados xa tiñan a mesma potencia e mellor economía de combustible que os motores Honda, polo que nunca foron construídos.