"This day has been a dream of mine for a long time," Zilisch said.

Kligerman was waiting and in something only sports car racing fans are accustomed to seeing, the team quickly orchestrated a driver swap.

The teenager is one of the top prospects in the lower divisions, and resume is already extensive, highlighted by class victories at the Rolex 24 at Daytona and Sebring 12 Hours, along with numerous N...