sentences:  Two cautions flew, the first for John Mahler's stalled car on lap 23 and the second for a crash involving Danny Ongais on lap 40.Following the second of the two races, Rick Mears was leading the points with a 460 point lead over Gordon Johncock.Bobby Unser was third, 470 points back, Johnny Rutherford fourth, 925 points back, and Mike Mosley rounded out the top 5, 960 points back.