Tuhia he tomokanga mō tēnei wāhanga - I whakapuakina e Hayes i te whakarewatanga PR i Detroit i te mutunga o te tau 1965, i toa te Ford Cosworth DFV i tana whakataetae tuatahi - te Dutch Grand Prix
I te 4 o Pipiri 1967, i roto i tētahi 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.