http://www.autoweek.com/article/20140713/UNITEDSPORTSCAR/140719944?utm_source=rss&utm_medium=feed&utm_campaign= http://www.autoweek.com/article/20140713/UNITEDSPORTSCAR/140719944OAK Racing has made steady progress in its debut season in North America, knocking on the door of its first Tudor United SportsCar Championship victory with back-to-back podium finishes at Detroit Belle Isle and Watkins Glen International.