Here are some youtube videos, I just added. There is footage from Clay County Speedway in Flora Illinois, Charleston Speedway in Charleston,IL, Bloomington,IN Speedway, and the now closed, Kamp Motor Speedway in Boswell,IN.
http://youtu.be/YV1DzDgabas
http://youtu.be/Za3kihPtBIo
http://youtu.be/5sr5BXfOBJI
http://youtu.be/TbD0VQnmklA
http://youtu.be/SVFhoxFxBZg