11 laps before transmission failure forced him to a 31st-place finish. He split time between Chance 2 and his father's team for the balance of the season, except at Dover, where he drove for Stanton Barrett. He had a sixth-place run at Bristol Motor Speedway, and ended the season with two consecutive second-place finishes. He ran a total of ten races that season. Truex raced full-time for Chance 2 in 2004. At Bristol Motor Speedway, he would earn his first career victory, and he would later add three more victories over the next seven races. This would include a victory at Talladega Superspeedway which broke his car owner's streak of winning restrictor plate races in the Busch Series, and a victory at the final NASCAR event held at Nazareth Speedway. He took the lead in the championship after Nazareth but lost it to rookie Kyle Busch a few races later. However, a series of Top 5's and Top 10's in the second half of the season would allow Truex to pull away from Busch, clinching the Busch Series championship with a race to spare. While on his way to that championship, Truex made an appearance in the Nextel Cup Series as a relief driver to Dale Earnhardt Jr., who'd suffered burns in a sports car accident. Truex started his first career Cup race for Dale Earnhardt, Inc. (DEI) in the No. 1 at Atlanta Motor Speedway later that year, qualifying 33rd and finishing 37th. Truex stayed in the Busch Series to defend his championship in 2005, winning the title for the second season in a row. He won the first Busch Series points race held outside the United States, in Mexico, as well as defending his wins at Talladega and Dover International Speedway. He took his first win at Daytona International Speedway on July 1, 2005. 2006–2008: Dale Earnhardt, Inc. In 2006, Truex moved to the No. 1 DEI Chevy full-time in the Nextel Cup Series. He had two Top 5 finishes and finished 19th in points. Truex got his first win of the 2007 season in the NASCAR Nextel All-Star Open, securing a spot in the 2007 Nextel All-Star Challenge, where he finished tenth. A few weeks later, he won the Autism Speaks 400, scoring his first Sprint Cup Series win with an interval of seven seconds between pole-sitter Ryan Newman and himself, even though he led over half