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.
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 ...Keep reading

Source: Several NASCAR drivers to get early look at Bristol Dirt Track