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convertible top drag

  1. MPG drop when convertible top is down

    C6 Corvette General Discussion
    I was just reading another post here were it was mentioned that when a convertible top is down the MPG goes down on a Vette? I find this pretty interesting. Have there been any studies that show how much increase in drag is created with the top down vs up? What sort of decrease in MPG? Or...
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