After his performance dipped down in 2004, Gordon decided to leave and start his own team, the No. 7 with Robby Gordon Motorsports, and Jeff Burton was tabbed as his replacement.   2005 was Jeff Burton's first full year at RCR, and he had six top-tens and three top-fives for the year, including a third in the Subway Fresh 500 at Phoenix in April and a second-place finish in the Sharpie 500 at Bristol Motor Speedway. In 2006, Burton won the pole for four races, bringing his total number of career pole wins to six. The four pole wins were for the Daytona 500, the USG Sheetrock 400 at Chicagoland Speedway, the Brickyard 400 at Indianapolis Motor Speedway, and the GFS Marketplace 400 at Michigan International Speedway. Prior to qualifying for the Daytona 500, Burton was extremely enthusiastic about the improvements to RCR as a whole. The Allstate 400 pole gave Richard Childress Racing the front row as teammate Clint Bowyer recorded the second fastest time. Burton's best finish came in the Chicagoland race where he recorded a second-place finish. He led the most laps at Indianapolis and Bristol's Sharpie 500, setting the pace for more than half the race. In the Busch Series, he won at Atlanta Motor Speedway and Dover International Speedway, breaking his four-year winless streak in any series. Burton won the Dover 400 at Dover International Speedway allowing him to take the points lead. However, a series of relatively poor finishes in subsequent races, including a flat tire at Talladega while running in the top five and an engine failure at Martinsville, eliminated Burton from contention for the championship. Burrton won the Samsung 500 (Texas) on April 15, 2007, driving the Prilosec OTC-sponsored Chevrolet, passing Matt Kenseth on the final lap, making him the first driver with multiple wins at Texas Motor Speedway. He finished tied for 7th in the 2007 standings and finished the year in 8th Burton came very close to winning the 50th running of the Daytona 500. He qualified 36th and by the end of the race had worked his way up in the field. He led prior to the race's final caution, but when the green flag dropped with four laps to go, lost several positions and wound up finishing 13th. Burton won the 2008 Food City 500 at Bristol Motor Speedway. Following contact between Kevin Harvick and Tony Stewart, Burton passed both Harvick and Stewart for the 2nd position.