San Marino GP
Keke Rosberg, Williams FW08C Ford, leads Nigel Mansell, Lotus 92 Ford, Niki Lauda, McLaren MP4-1C Ford, Michele Alboreto, Tyrrell 011 Ford, Derek Warwick, Toleman TG183B Hart, Jacques Laffite, Williams FW08C Ford, Chico Serra, Arrows A6 Ford, and Marc Surer, Arrows A6 Ford.