Jim Campbell, GM’s VP of performance vehicles and motorsports, has stated he’s content with IndyCar freezing aerokits this year and switching to a universal kit for 2018, despite giving up one of Chevrolet’s perceived advantages. Since manufacturer aerokits were introduced for the start of the 2015 season, Chevrolet has scored 24 race wins to Honda’s eight, and much of the American brand’s advantage has been ascribed to the superiority of its aerokit. In particular, the road/street/short-oval kit produced by Pratt & Miller is regarded as having a larger operating sweet spot when balancing the drag:downforce ratio. However, Campbell said the switch to a universal aerokit for 2018...
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