Lesson: Ground Effects Innovations in Racing

1987 Ford Thunderbird Stock Car, Raced by Bill Elliott

Racing car

Bill Elliott set NASCAR's all-time speed record with this car when he qualified for the 1987 Winston 500 at Talladega at 212.809 miles per hour. By the 1980s, "stock cars" only looked stock. Underneath this Thunderbird sheet metal is a purpose-built steel tube frame, racing suspension and brakes, and a racing engine that no Ford dealer ever sold.

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1933 Willys Drag Racer

Racing car

When machinist George Montgomery started racing in 1953, all drag racers were amateurs with "real jobs" supporting their hobby. This car helped change all that. Montgomery bought an old Willys in 1958 and built a dragster so successful that promoters started paying him to run at drag strips nationwide. In 1966, Montgomery became one of drag racing's first full-time professional drivers.

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1984 March 84C-Cosworth Race Car

Racing car

Tom Sneva set the fastest qualifying lap at the 1984 Indianapolis 500 with this car, but a broken rear suspension forced him out early during the actual race. The car's front and rear wings and underbody ground effects represent the aerodynamic advances that increasingly shaped race cars in the 1970s -- and continue to do so today.

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