Dale Earnhardt Jr.'s JR Motorsports Busch Series team plans to expand to a two-car effort later this season, with Shane Huffman driving in five or six races as a teammate to Mark McFarland. JR Motorsports hopes to expand to a two-car team full time in 2007. Huffman drives for JR Motorsports in the Hooters Pro Cup series, standing second in the Southern Division points standings. Wes Ward, former crew chief for Kenny Wallace, is now working with Huffman.