August 22, 2010 – Klaus Graf (Germany) could almost see the checkered flag as he wheeled his race-leading Muscle Milk Porsche RS Spyder around turn #12 of the 14-turn, four-mile sports car course at Road America, and then he felt a sudden loss of power. The more powerful Lola/Judd of Johnny Cocker (England) was four seconds behind, but gaining …
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