Grand Prix of Portland at Portland International Raceway – 2018 – Thursday, 6 p.m. – IndyCar Test Day Notebook

By Tony DiZinno Steve’s preview provides a comprehensive look ahead to this weekend’s Grand Prix of Portland, the penultimate race of the Verizon IndyCar Series season. Today’s test day on Thursday provided five hours of run time and already, a number of cool stories to emerge. Test Day Primer The Verizon IndyCar Series had a…

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