Initially Porsche were not going to release their drivers for the race, but finally relented less than two weeks before the race and Manfred and Erwin Kremer were more than happy for the defending race winner to join them.
Inicialmente, Porsche non ía presentar os seus pilotos para a carreira, pero finalmente cedeu menos de dúas semanas antes da carreira e Manfred e Erwin Kremer estaban máis que felices de que o vencedor da carreira se unira a eles.