Detroit GP: Niki Lauda, McLaren MP4-2 TAG, leads Andrea de Cesaris, Ligier JS23 Renault, Patrick Tambay, Renault RE50, Ayrton Senna, Toleman TG184 Hart, and Martin Brundle, Tyrrell 012 Ford.
Niki Lauda, McLaren MP4-2 TAG, leads Andrea de Cesaris, Ligier JS23 Renault, Patrick Tambay, Renault RE50, Ayrton Senna, Toleman TG184 Hart, and Martin Brundle, Tyrrell 012 Ford.