Two-time American Le Mans Series Champion Scott Tucker and his team Level 5 Motorsports turned a small fortune into checkered flags, but now the Federal Trade Commission is investigating the deceptive business practices that funded his racing dreams.

Scott Tucker used questionable business practices to become a millionaire. Now the mysterious and secretive businessman from Kansas is spending his fortune to become a famous auto racer.

Want to win a piece of the Audi R10 that Scott Tucker raced at Le Mans? We'll randomly select a winner from the commenters on the "Audi R10 Part" thread on our official Jalopnik Facebook fan page. Details below.

Last week, at the 24 Hours of Le Mans, a rookie from Leawood, Kansas made history. Scott Tucker was the first American allowed to race one of Audi's multimillion-dollar, 200-mph diesel prototypes. Amazingly, he was fast.

The 12 Hours of Sebring is one of the oldest motorsport events in the country, a day-long torture test that takes place on one of the roughest circuits in the world. Amazing glow-in-the-dark eye candy below the jump.