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

Lap 292 -- Ryan Newman is in for four tires and fuel in 14.5 seconds.

Lap 290 -- Matt Kenseth is in for his stop and is looking for more grip. Kurt Busch is in to reverse his earlier track-bar adjustment.

Lap 289 -- LEAD CHANGE: Carl Edwards hits pit road for a scheduled pit stop. He gets four tires and a slight adjustment. Mark Martin is the new leader.

Lap 282 -- Mark Martin has caught Carl Edwards and is trying to work his way to the lead.

Lap 272 -- Mark Martin takes second position from Matt Kenseth.

Lap 268 -- LEAD CHANGE: Matt Kenseth floats up the track and Carl Edwards slides underneath to take the lead.

Lap 264 -- Three of the top four cars are Roush Fenway drivers: Matt Kenseth (first), Carl Edwards (second) and Greg Biffle (fourth).

Lap 253 -- Mark Martin has moved into third position. Although he's driven Ginn cars with DEI engines since the merger, this is his first race driving a DEI car.

Lap 248 -- Kevin Harvick's problem turned out to be a punctured tire. He is now three laps down in 37th.

Lap 244 -- Carl Edwards moves below Kurt Busch to take second position.

Lap 238 -- Kevin Harvick is off the pace and is being passed. He slows and heads to pit road, already two laps down. His crew changes right-side tires.

Lap 236 -- GREEN FLAG: Matt Kenseth gets the race going again.
1. Matt Kenseth
2. Kurt Busch
3. Ryan Newman
4. Carl Edwards
5. Kyle Busch

Lap 231 -- Some of the lead cars hit pit road:
• Mark Martin is in for tires and fuel
• Greg Biffle gets four tires and fuel as well
• Kyle Busch is in for adjustments and is the first off pit road

Lap 229 -- YELLOW FLAG NO. 7: Jamie McMurray slides up to the wall and has right-side damage. He cut a right-rear tire. But he manages to stay on the lead lap. He slid into the wall after making contact with Juan Montoya and sliding into Turn 3.

Lap 216 -- Kyle Petty and Denny Hamlin have to be separated in the garage after Petty has words with Hamlin following the Lap 204 crash.

Lap 212 -- GREEN FLAG: Matt Kenseth gets the race back under way.
1. Matt Kenseth
2. Kurt Busch
3. Greg Biffle
4. Kyle Busch
5. Ryan Newman

Lap 209 -- Clint Bowyer, who was seventh before the caution, is back on pit road after multiple stops. His crew has removed the right-front fender. A bracket that holds the splitter on the car was broken.

Lap 207 -- Denny Hamlin, who was sixth before the caution, heads to the garage. He attempted to return to the track, but a brake rotor broke. He returned to pit road without brakes and the crew had to stop the car.

Lap 205 -- Leaders are in:
• Matt Kenseth is conserving power and gets tires
• Kurt Busch gets an air-pressure adjustment
• Juan Montoya comes off 10th by gaining four spots
• Clint Bowyer's crew works on the right side as the driver is upset
• Denny Hamlin's crew spends extra time on his car

Lap 204 -- YELLOW FLAG NO. 6: Kyle Petty gets spun by Denny Hamlin coming off of Turn 4 and goes nose-first into the wall. He has major damage while Hamlin has significant damage on the right side. Clint Bowyer has slight damage on the right-front.

Lap 200 -- At the halfway point, six Chase drivers are in the top 10 while four are at least one lap down. Jeff Gordon (11th) and Carl Edwards (13th) are the two in-betweeners.

Lap 193 -- After his pit stop, Jimmie Johnson is now running 36th, two laps down.

Lap 188 -- Jimmie Johnson is slow on the track and he is wiggling as he heads to pit road. He has a flat right-rear tire. The crew changes all four tires.

Lap 185 -- Michael Waltrip is running in 15th position.

Lap 175 -- After his unscheduled stop, Kevin Harvick is running in 37th, two laps down.

Lap 171 -- Kevin Harvick is on pit road and thinks he has a loose wheel. The crew changes all four tires and he is out in 17.8 seconds.

Lap 168 -- Greg Biffle moves by Kurt Busch to take second position.

Lap 152 -- Kurt Busch moves around Dale Earnhardt Jr. for second spot after Earnhardt wiggles. Greg Biffle also goes by Earnhardt.

Lap 158 -- Matt Kenseth is reporting that the alternator may be broken in the No. 17 car. His main battery is low on voltage, and so is the backup battery. Kenseth begins turning off unnecessary items in the cockpit.

Lap 153 -- GREEN FLAG: Matt Kenseth gets the race back under way.
1. Matt Kenseth
2. Dale Earnhardt Jr.
3. Kurt Busch
4. Greg Biffle
5. Kyle Busch