For 1977, Scheckter was replaced by Ronnie Peterson, and the P34 was redesigned for cleaner aerodynamics, and some redesign was done on Peterson's car to accommodate his height.
Para 1977, Scheckter foi substituido por Ronnie Peterson, e o P34 foi redeseñado ao redor dunha aerodinámica máis limpa, e un certo redeseño no coche de Peterson debido a súa altura.