Advance Auto Parts INDYCAR Radio Network Ratings Soar for 101st Indianapolis 500 INDIANAPOLIS, Wednesday, July 12, 2017 – Overall United States radio listenership of the 101st Indianapolis 500 presented by PennGrade Motor Oil grew 43 percent from 2016 on the Advance Auto Parts INDYCAR Radio Network, according to a recent research study. The study from GfK Custom…

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