I've never see statistics showing "xxx time with spoiler" versus "xxx time without spoiler". I don't think spoilers make a significant difference in straight line time trials. Down force does affect stability and traction at higher speeds though. I believe the gains in traction control supersede the losses in drag.
Last edited by Tick64; 06-24-2014 at 10:30 PM.
Reason: because racecar
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