IMSA Hall of Famer Robert Charles “Bob” Tullius, a success on the racetrack and an innovator away from it, died Monday at age 95 in Port Orange, Fla. – only a few miles from Daytona International Speedway which fueled so many of his dreams and achievements over decades of dedication...

It's an old-school IMSA GTP battle at Daytona as Doug Smith's Jaguar XJR-7 chases a Porsche 962 throughout the 3.56-mile road course and oval during HSR's 24-hour vintage event.

In 1983, Nelson Piquet's Brabham-BMW BT52 earned Formula 1's first turbocharged World Championship. With continual development, the same 1.5-liter, four-cylinder M12/13 that powered that historic deed was pushing out an outrageous 1,300hp by '86.By then, a different version of the engine was competing in North America. Nestled in the back...