Franchitti told The Star he has n't suffered headaches with this concussion .
Franchitti has n't had vertigo symptoms like the night years ago when Franchitti sped a Rolex 24 sports car through the 31 - degree corner banking at Daytona International Speedway .
Franchitti told The Star he has n't suffered headaches with this concussion , and he has n't had vertigo symptoms like the night years ago when he sped a Rolex 24 sports car through the 31 - degree corner banking at Daytona International Speedway .