The race-winning truck of Erik Jones measured too low in the rear during post-race inspection following Friday nights American Ethanol 200 at Iowa Speedway. Officials said the issue would be evaluated further at the NASCAR Research and Development Center during the upcoming week. It was off a little bit, but it was close," said Eric Phillips, crew chief for Jones' Kyle Busch Motorsports No. 51 Toyota. It's a rough race track and just not a situation we want to be in, but we'll have to see what happens on the first of the week when we get home and look over it." More...