Winged Mad Dog IV Returns to Daytona Where It Shattered Speed Record

DAYTONA BEACH, Fla. — Bob Osiecki’s winged wonder Mad Dog IV, which shattered the international closed-course speed record at Daytona International Speedway in 1961, now calls the Motorsports Hall of Fame of America home. The unusual looking machine was designed (with a little help from Georgia Tech) and built by Bob Osiecki, who hired drag racer Art Malone to wheel it to a record lap of 181.561 mph.

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