By Steve Wittich Mac Clark, the pilot of the MIR Raceline USA/Sekanskin/Valkyrie AI sponsored No. 17, turned a lap of the 3.97-mile, 19-turn Ozarks International Raceway road course in 142.104 seconds. That scorching lap was over one second ahead of the rest of the field. The Canadian joins Vince Puleo (USF2000), Kim Campbell (Indy Lights), […]

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