They make the cars virtually equal and bunch the fields.
Big crashes are almost inevitable.
Nelson said of the restrictor plates. By the time the unrestricted cars were slowed to speeds in the low 190s, matching those achieved with the plates, the roof strip had grown to four inches. Another possible solution is to downsize the engines, which currently are allowed up to 358 cubic inches. But Nelson says that's not likely to work, either. The Pepsi 400 will be Eli Gold's second race of the day.