Lap-by-Lap: Bristol (cont'd)

Lap 300 -- Tony Stewart's crew checked the new fuel system, but it's not the problem as he continues to sit on pit road.

Lap 298 -- LEAD CHANGE: Denny Hamlin moves underneath Kyle Busch to take the lead.

Lap 290 -- Tony Stewart is still on pit road and reports he has no fuel pressure. The hood is up on his machine as his team works on a new fuel cable that is the reason for the problem. Stewart had led 257 of the 290 laps.

Lap 289 -- GREEN FLAG: Kyle Busch leads the field to green.
1. Kyle Busch
2. Denny Hamlin
3. Greg Biffle
4. Matt Kenseth
5. Kevin Harvick

Lap 289 -- Tony Stewart is penalized for violating the pit-road commitment line. He will restart at the longest line.

Lap 287 -- Jeff Burton is caught speeding coming onto pit road and will go to the back of the longest line, forcing him to restart 16th.

Lap 285 -- Kasey Kahne is back on pit road to repair the right fender. Kahne is scored two laps down in 30th.

Lap 283 -- The leaders are on pit road:
• Matt Kenseth is battling a loose racecar and takes wedge
• Kevin Harvick gets forward bite and is happy with his car
• Tony Stewart is out in 14.6 seconds and gets out first again

Lap 282 -- YELLOW FLAG NO. 8: Kasey Kahne spins coming off Turn 4. He got loose in the corner, went up the track and smacked the wall. He had been losing ground fast on the track. Kahne's right fender is flat.

Lap 272 -- Kyle Busch moves past Greg Biffle to take second position, but Busch is more than 4 seconds behind leader Tony Stewart.

Lap 255 -- Elliott Sadler is back in to change left-side tires because of a vibration. Sadler is now four laps down, running in 35th.

Lap 253 -- Martin Truex Jr. has a flat left-front tire and is riding on the flat tire. He hits pit road. The left side of his front splitter slid on the track, but no adjustments were made.

Lap 248 -- Elliott Sadler hits pit road because of another loose wheel. He was running second and will lose a lap. He did not change tires, as the crew only tightened the lug nut.

Lap 231 -- GREEN FLAG: Tony Stewart gets the race going again:
1. Tony Stewart
2. Elliott Sadler
3. Kasey Kahne
4. Greg Biffle
5. Kyle Busch

Lap 229 -- Jeremy Mayfield is sent to the rear of the field for a violation of the pit-road commitment cone.

Lap 227 -- All the leaders hit pit road for adjustments:
• Jimmie Johnson gets wedge and a track-bar adjustment
• Kasey Kahne's team goes up a round and a half on the track bar
• Elliott Sadler gets a track-bar adjustment
• Greg Biffle has a slow stop and loses two spots on pit road

Lap 226 -- YELLOW FLAG NO. 7 -- The caution comes out for Jeremy Mayfield's slow car.

Lap 224 -- Jeremy Mayfield smacks the wall in Turn 2 but continues around the track in the high groove. He can't make it to pit road because of the continuous string of cars.

Lap 221 -- Greg Biffle catches and passes Elliott Sadler for second, now setting his sights on leader Tony Stewart.

Lap 208 -- Greg Biffle moves around teammate Jamie McMurray for third position as he continues to run fast lap times. Kurt Busch is on pit road for an unscheduled stop.

Lap 198 -- LEAD CHANGE: The shuffle reverses itself, as Elliott Sadler goes high and Tony Stewart re-takes the lead as the two approach heavy lapped traffic. (Continued)