Connor Zilisch NASCAR Truck Series driver is set as the betting favorite for the EcoSave 250, which opens the Round of 8 at Charlotte Motor Speedway Road Course this Friday. Spire Motorsports Prepares Three-Truck Lineup for Charlotte Road CourseSpire Motorsports has assembled a formidable trio for the NASCAR Craftsman Truck Series EcoSave 250. This event showcases the organization’s commitment to fielding competitive entries at a track new to the truck series schedule. This edge has shown in his limited Truck Series outings, as he recently finished eighth at Watkins Glen, another demanding road course. The odds confirm the high expectations for his debut at the Charlotte Motor Speedway Road Course in the NASCAR Craftsman Truck Series.