sentences:  Al Unser won the pole, with Bobby Unser, Danny Ongais, Rick Mears and Gordon Johncock making up the rest of the top five.In the race, Al and Bobby Unser dominated, the two brothers being the only ones to lead laps throughout the day.Bobby Unser took the lead for good after Al had transmission problems on lap 48, and led the rest of the race to win over Rick Mears.