Whakaotihia te rerenga e whai ake nei: I whakapuakina e Hayes i te whakarewatanga PR i Detroit i te mutunga o te tau 1965, ko te Ford Cosworth DFV i wikitoria i tana whakataetae tuatahi - te
Ko te Dutch Grand Prix i te 4 o Pipiri 1967, i roto i te Lotus 49 i whakahaerehia e Jim Clark. Ko Graham Hill i roto i te kapa i runga i te tono motuhake a Ford me Hayes, i hiahia kia mohio he roopu taraiwa kaha ka noho ki mua o a raatau miihini.