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From the Motor Sport Archive
In the next event, run over 100 laps of the banked, 2-mile oval at Michigan International Speedway, young Gary Bettenhausen surprised his peers by winning the pole position with his turbo-Offy Gerhardt at 180.451 m.p.h. and then tucking his nose right in behind Johncock's McLaren, which started from the second row but took over the lead on the third lap. One hundred and seventy-five miles later he was still there, and when the right rear hub on Johncock's McLaren failed with just nine laps to go Bettenhausen took over to score the second Championship of his career. Andretti and Al Unser were both eliminated by accidents but Bobby Unser brought his Eagle home second, just ahead of Johnny Rutherford's similar car.