Roush questions NASCAR inspection process

NASCAR inspection line in 2008 using templates instead of lasers

Team owner Jack Roush questions the consistency of NASCAR's laser platform, raising issues with an inspection process noteworthy for the numerous warnings issued teams this season. Cars must go through NASCAR's laser platform for inspection at the start of the weekend, before qualifying and before the race. The laser platform logs measurements of various parts, including front and rear wheel camber, wheel base and rear axle location. The laser platform can record measurements within 1/1,000th of an inch in some cases.

Controversy has surrounded NASCAR's inspection process and the platform this season. Roush raised issues about the laser platform Wednesday night on SiriusXM NASCAR Radio's "Dialed In" show when asked about inspection issues this season.

"That laser machine is also a problem because it's recognized and understood by everybody that either operates it or either inspected by it … it is not consistent, it does not repeat 100 percent of the time," Roush said.

"It is off. We don't know why it's off. Sometimes, we think maybe the humidity has something to do with it. The temperature may have something to do with it. It does not always give you the same answer for the same set of circumstances on the car dimensionally. That's caused NASCAR to increase the tolerance sometimes. So if you've got something that varies and they give you a tolerance to take care of the variance and you're a racer, then you try to use the tolerance in your favor to make your car better." NASCAR declined comment. NBC Sports