The Old Car Festival is September 11-12. Here is the link to their web site:
http://www.thehenryford.org/events/oldCarFestival.aspx
Here is alink to a movie from 2008:
https://www.youtube.com/watch?v=r4GMsOg_oBI and 2009:
https://www.youtube.com/watch?v=pIJW7eILXj8
This will be my third time. It is absolutely fabulus.