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The 49th International 500-Mile Sweepstakes was held at the Indianapolis Motor Speedway on Monday, May 31, 1965. The five-year-old "British Invasion" finally broke through as Jim Clark and Colin Chapman triumphed in dominating fashion with the first rear-engined Indy-winning car, a Lotus 38 powered by Ford. With only six of the 33 cars in the field having front engines, it was the first 500 in history to have a majority of cars as rear-engined machines. Clark, of Scotland, started from the front row, and led 190 laps, the most since Bill Vukovich (195) in 1953. He became the first non-American winner of the Indianapolis 500 since 1916. Clark would go on to win the 1965 World Championship (which Indianapolis was not part of any longer). He is the only driver in history to win the Indy 500 and Formula One World Championship in the same year. Clark actually chose to skip Monaco to compete at Indy. ABC Sports covered the race for the first time on ''Wide World of Sports''. Charlie Brockman anchored the broadcast along with Rodger Ward. ==Rule changes== Following the tragic 1964 race, this race was run relatively clean with no major incidents. Contrary to some popular belief, gasoline was not banned for the 1965 race. Instead, USAC officials cleverly crafted several rule changes that effectively encouraged teams to use methanol in order to be competitive.〔''The Talk of Gasoline Alley'' - 1070-AM WIBC, May 15, 2007〕 For 1965, all cars were required to make a minimum of two pit stops. A pit stop was generally defined as coming to a complete stop in the respective pit box, and hooking up the fueling mechanism. Tire changes were not specifically required, and some cars in fact changed zero tires all day. On-board fuel tank capacity was reduced to 75 gallons, and pressurized fueling rigs were outlawed. All fueling rigs from 1965 onward had to be gravity feed, a rule that still is in effect as of 2015. Conventional "pump" gasoline registered better fuel mileage than methanol, but the methanol-powered engines were expected to produce more horsepower. Since cars were required to make two fuel stops, the advantage to using gasoline was diminished, or outright lost. While most teams switched to methanol, the Agajanian team decided to utilize a methanol/gasoline blend. Chief mechanic Johnny Pulson and driver Parnelli Jones determined that they were effectively down on power, finished second, and attributed the fuel blend as what cost them a chance to win the race.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「1965 Indianapolis 500」の詳細全文を読む スポンサード リンク
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