GoPro Grand Prix of Sonoma – Thursday testing – morning session – 12:42pm

TSO News
Steve Wittich
September 14, 2017
7 minutes read

By Steve Wittich The Verizon IndyCar Series title deciding weekend got underway with Will Power, despite only turning four laps, leading the way with a quick lap that was timed at 78.1099 seconds. The GoPro Grand Prix of Sonoma test day began at 9am. Somewhat surprisingly, the marine layer had already worn off when the…...

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