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ChampCar Endurance Series Celebrates 10 years with New Title Sponsor and Venues´╗┐ - TireRack.com ChampCar Endurance Series®
ChampCar Endurance Series Celebrates 10 years with New Title Sponsor and Venues´╗┐. Tire Rack strengthens it’s support of Grassroots enthusiasts passion for Motorsports´╗┐.