1978 Indy 500 winner Al Unser Sr. also was the first driver to win an Indy car race with the Cosworth DFX engine, at Pocono in 1976
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1978 Indy 500 winner Al Unser Sr. also was the first driver to win an Indy car race with the Cosworth DFX engine, at Pocono in 1976

Photographer Ford Motor Company
Taken 1978-05-28
Series History
Event 100 Years of Ford Racing
Sub-event Ford Racing 100-year history
Track Indianapolis Motor Speedway
Drivers Al Unser Sr.
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