 Complete the following phrase:  Al Unser Jr. claimed his third pole of the season. The first turn, which usually provides the most dramatic action at the Burke Lakefront Airport Circuit, saw Michael Andretti who qualified a lowly 17th place and Scott Goodyear spin. Bobby Rahal and the team had not yet eradicated the engine gremlins in the still-new Honda powerplant. Mario Andretti, whose season started well, had more struggles with a failed suspension after 31 laps. Emerson Fittipaldi, in desperate need of points to kept up with Unser, retired with a small fire in the rear of his car. Michael Andrettis engine quit with just eight laps remaining, and Al Unser Jr. won his fifth race of the year; the seventh in a row for Penske. Runner-up Nigel Mansell had competed in the 