The .533-mile, highly banked concrete Bristol (Tenn.) Motor Speedway has been converted to a dirt surface and will a Truck and Cup series weekend March 27-28. The dirt surface has 19-degree banking in the corners and a 50-foot wide racing surface.<br>The most recent Cup Series race on dirt took place in the fall of 1970 on a track at the N.C. State Fairgrounds in Raleigh, N.C. The Truck Series has ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/nascar-drivers-bristol-dirt-nationals/5552523/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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