Michigan 500: Roberto Gurrero, Granatelli Racing, March 87C Cosworth, leads John Richards, Dick Simon Racing, Lola T86/00 Cosworth, and Geoff Brabham, Galles Racing, March 87C Judd, down the pitlane.
Roberto Gurrero, Granatelli Racing, March 87C Cosworth, leads John Richards, Dick Simon Racing, Lola T86/00 Cosworth, and Geoff Brabham, Galles Racing, March 87C Judd, down the pitlane.