The Heidts Performance Car Challenge will return May 11-12 to Autobahn Motorsport Country Club in Joliet, Ill. (near Chicago) under the direction of the American Street Car Series staff. Heidts Automotive Group (including Heidts, Kenny Brown Performance and Alston Racing) will kick-off the event with a participant barbecue and plant tour May 10 at their headquarters in Waucouda, Illinois.