Look up "Opentrack" events in your local area.
I put on 3 events per year for SAAC-MotorCityRegion
SAAC-MCR.NET - Websites for the Motor City Region
Seat time is all you need. You can even go to Hertz and rent a car for the first day... It not WHAT you drive, the that you DRIVE!
Now get out there and get hooked on in!
