Aside from IndyCar’s five days of open testing – last week’s two days at Thermal Club, two at Indianapolis in April, and one on the eve of the season finale at Laguna Seca – the teams are permitted just two other test days.
One of these must be pre-season, the other is in-season, and teams who figure in the secondary Indy NXT series previously known as Lights get an additional day …Keep reading
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