A north american erstaz version of formula one where cars drive in small circles for hours. They are unable to race in the rain (the drivers tend to rust), and the safety car is used everytime someone coughs behind the wheel.
The series where F1 failiers can excel
Ricardo Zonta, Dario Francetti, Christian Fitipaldi, Mark Blundell etc etc etc
Sophisticated race car driven in the CART racing series. Champ Cars are high tech racing machines requiring a high level of skill.
Champ cars are the highest level of open wheel racers in North America.