On most race weekends, there isn't much different between the three national divisions in terms of pit road rules. However, that changes dramatically on a standalone race weekend like this one.<br>While the NASCAR Cup and Trucks are competing at Darlington, the Xfinity Series is at the other end of the country at the Portland road course. Many of these crew members cross between the three national ...<a class='more' href='https://www.motorsport.com/nascar-xs/news/special-pit-stop-rules-for-nascar-xfinity-standalone-race-at-portland/10754108/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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