The drivers tested on two different courses; one more technical and tight, while the other was faster and smoother, Stenhouse explains in the video.
The Sprint Cup Series will head to Sonoma on Sunday at 3 p.m. ET (TNT), while the Nationwide Series will race Road America on Saturday at 2:45 p.m. ET (ABC).
Watch the video below to see the knowledge the drivers gained and the fun that was had at Miller Motorsports Park.