Go to Ocala and see the Don Garlits museum. Orlando has car shows, check local listings. In early March (around the 3rd I think) the VSRA is having a car show at Disney Speedway. Take a look here, it may have what you're looking for: http://www.cruisenewsonline.com/
You can look here also http://midfloridacruisers.com/ Depending on when you come, you can find something VW related here (if that's your bag) http://www.thesamba.com/vw/shows/