At its peak in the late 1980s and early 1990s, the International Motor Sports Association's Grand Touring Prototype machines gave IndyCar absolute fits. The Andrettis were there, Mario and Michael, as were A.J. Foyt and Bobby Rahal and Martin Brundle -- and the fans flocked to it.
IMSA is ready to give Indy another scare starting with this weekend's Rolex 24 At Daytona sports car race with a fresh and electrified take on some of the fastest and most imaginative race cars this country has seen.
Four decades ago, rich with car companies annually pouring tens of millions of dollars apiece into fierce on-track wars, GTP's auto manufacturers brought the downright wildest machines to America's city streets and classic road courses for our vehicular entertainment.