Two Joe Gibbs Racing Nationwide Series cars—the Nos. 18 and 20—could have sanctions handed down against them, NASCAR officials told the Charlotte Observer late Saturday.
NASCAR did tests after Saturday’s Nationwide race at Michigan International Speedway on the chassis dynamometer, which measures rear-wheel horsepower, of several cars. Officials have administered this test several times during the season.
NASCAR officials found magnets on the accelerator pedals of the two Gibbs Toyotas, the Observer reported. Several sources said the magnets might keep the pedals from being fully depressed, which would limit the engines’ output and distort data.
Hunter said both teams faced penalties, which would be announced early next week.
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