Detroit GP: Nigel Mansell, Lotus 91 Ford, leads Riccardo Paletti, Osella FA1C Ford, Emilio de Villota, March 821 Ford, and Didier Pironi, Ferrari 126C2, round the hairpin.
Nigel Mansell, Lotus 91 Ford, leads Riccardo Paletti, Osella FA1C Ford, Emilio de Villota, March 821 Ford, and Didier Pironi, Ferrari 126C2, round the hairpin.