Graham Hill

Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special, in pit lane.

Indianapolis 500

Car number 83, Bobby Jones, Lotus-Ford, finished seventh,

Indianapolis 500

Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

Indianapolis 500

Car number 20, Art Pollard, Team Lotus-STP Lotus-Pratt & Whtiney Type 56 4-wheel-drive gas turbine car seen here in practice.

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The Lotus 56 4WD 4, number 20, of Art Pollard, in the pits.

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Graham Hill in race number 70, a Lotus 56 Turbine.

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Car number 83, Bobby Jones, Lotus-Ford, finished seventh,

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Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

Indianapolis 500

Car number 70, Graham Hill in the Team Lotus-STP Lotus-Pratt & Whitney 56 4-wheel-drive gas-turbine car.

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Car number 70, Lotus-Turbine 56 driven by Graham Hill.

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Car number 70, Lotus-Turbine 56 driven by Graham Hill in the garage. Colin Chapman is kneeling at right.

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Jim McElreath drives car number 82, a Coyote/Ford Greer Special, followed by Art Pollard in car number 20, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Joe Leonard drives car number 60, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Car number 1, A.J. Foyt, Lotus-Ford. finished 15th,

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Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Car number 20, Art Pollard in Andy Granatelli's STP Oil Treatment Lotus-Pratt & Whitney 56 4-wheel-drive gas-turbine car by the fuel dump.

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Car number 20, Art Pollard, Team Lotus-STP Lotus-Pratt & Whtiney Type 56 4-wheel-drive gas turbine car seen here in practice.

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Formula World Champion driver Graham Hill during practice in his Team Lotus-STP Lotus-Pratt & Whtiney Type 56 4-wheel-drive gas turbine car.

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Joe Leonard drives car number 60, a Lotus 56/Pratt & Whitney STP Oil Treatment Special, next to Johnny Rutherford in car number 18, an AAR Eagle 66/Ford Seattle Special.

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Joe Leonard drives car number 60, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Art Pollard drives car number 20, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Indianapolis 500

Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Car number 19, Jim Clark, Lotus 38,

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Indianapolis 500

Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special, next to Bill Vukovich II in car number 98, a Shrike/Offenhauser Agajanian's Wagner Lockheed Special.

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Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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The Shrike 66 Wagner Lockheed SPL, number 98, of Billy Vukovich, leading the Lotus 56 STP Turbine car, number 20, of Art Pollard.

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Car number 20, Art Pollard in Andy Granatelli's STP Oil Treatment Lotus-Pratt & Whitney 56 4-wheel-drive gas-turbine car with nose cowl removed.

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Joe Leonard drives car number 60, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Joe Leonard drives car number 60, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Car number 60, Joe Leonard, Lotus-Turbine 56 drives past the stands.

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Car number 70, Graham Hill, Lotus-Turbine 56.

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Joe Leonard drives car number 60, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

Indianapolis 500

Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

Indianapolis 500

Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

Indianapolis 500

Joe Leonard drives car number 60, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Bobby Unser drives car number 3, an Eagle Offenhauser 68. Joe Leonard drives car number 60, a Lotus 56 Turbine. Graham Hill drives car number 70, also a Lotus 56 Turbine.

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Art Pollard drives car number 20, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

Indianapolis 500

Car number 20, Art Pollard, Team Lotus-STP Lotus-Pratt & Whtiney Type 56 4-wheel-drive gas turbine car seen here in practice.

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Graham Hill in car number 70, a Lotus 56 Turbine.

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Car number 70, Lotus-Turbine 56 driven by Graham Hill.

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Graham Hill, Lotus-Turbine 56

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Joe Leonard drives car number 60, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

Indianapolis 500

Joe Leonard drives car number 60, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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STP-Lotus team personnel, Andy Granatelli (left) and brother Vince Granatelli (right) Under the car cover is Lotus-Pratt & Whitney Type 56 4-wheel-drive gas-turbine car.

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Graham Hill drives car number 70, a Lotus 56/Pratt & Whitney STP Oil Treatment Special.

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Lotus front suspension detail.

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Car number 60, Joe Leonard's Lotus-Turbine 56.