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

Lap 151 -- Jeff Green gets penalized for a pit-road infraction and must go to the back of the pack.

Lap 150 -- Carl Edwards returns to pit road to work on his throttle leakage problem. The crew lifts the hood and goes to work.

Lap 149 -- The leaders head to pit road.
• Carl Edwards gets four tires but will return to address a throttle issue
• Kurt Busch gets four tires and fuel in 13.9 seconds
• Dale Earnhardt Jr. gains two spots and is off second
• Kyle Busch gains three positions on pit road
• Robby Gordon gets the free pass

Lap 148 -- YELLOW FLAG NO. 5: The yellow flag is being displayed so the gate can be opened and the injured crewman, Art Harris, can be transported out of the racetrack via ambulance

Lap 140 -- There are 28 cars on the lead lap. Jeff Burton is running 27th. Tony Stewart is in 25th.

Lap 132 -- Three cars have run every lap inside the top 10: Matt Kenseth (first), Kurt Busch (third) and Denny Hamlin (sixth).

Lap 124 -- NASCAR officials have confirmed the injured crewman for Michael Waltrip's team is Art Harris. He is "alert and awake" and will be transported to a local hospital for further evaluation.

Lap 122 -- Carl Edwards moves around Kurt Busch for second position. Busch says his tires feel like basketballs, making his ride very bumpy.

Lap 120 -- Jeff Gordon is running in 11th and complaining of a loose car. He has lost three positions since the last restart.

Lap 111 -- Dale Jarrett is off the pace with some smoke coming from his car. He heads to pit road. He said the engine was missing and losing power, and that he has no power steering.

Lap 99 -- LEAD CHANGE: Matt Kenseth has his car dialed in and slips by Kurt Busch on the outside groove.

Lap 98 -- Matt Kenseth has gotten around Carl Edwards and is closing in on leader Kurt Busch.

Lap 91 -- Matt Kenseth has moved up to third as Denny Hamlin has his hands full with Casey Mears in a battle for fifth. Carl Edwards is in second chasing leader Kurt Busch.

Lap 90 -- After starting in 42nd, Clint Bowyer has moved all the way up to 14th thanks to pit strategy.

Lap 85 -- GREEN FLAG: Kurt Busch leads the field to green.
1. Kurt Busch
2. Greg Biffle
3. Casey Mears
4. Carl Edwards
5. Matt Kenseth

Lap 80 -- An ambulance is on pit road to treat an injured crewman for Michael Waltrip's team. The gas man, identified by MRN Radio as Art Harris, was hit by a loose tire on pit road. The loose tire was struck by David Ragan's car and went flying toward Waltrip's car as it was being serviced. The tire struck the crewman in the helmet, knocking him down. The crewman was loaded into an ambulance and driven to the infield care center.

Lap 79 -- LEAD CHANGE: Due to winning the race off pit road, Kurt Busch takes the lead.

Lap 78 -- Leaders hit pit road:
• Carl Edwards gets two right tires and is out in 9.3 seconds
• Kyle Busch gets four tires and fuel in 14.9
• Matt Kenseth gets four tires and fuel
• Denny Hamlin gets four tires but loses five spots
• Casey Mears gains eight positions and is out third
• Kurt Busch wins the race off pit road

Lap 77 -- Ken Schrader gets the free pass. He hits pit road for tires and adjustments.

Lap 76 -- YELLOW FLAG NO. 4: Kyle Petty spins around in Turn 2 but makes no contact with the wall. Ken Schrader was loose and made contact with Petty in the middle of the corner.

Lap 73 -- Matt Kenseth pulls beside Denny Hamlin and fights side-by-side for the lead.

Lap 71 -- Jeff Burton continues to struggle with a slow car and is running 36th.

Lap 66 -- Pole-sitter Jimmie Johnson is back in ninth position behind teammate Jeff Gordon, who started 27th.

Lap 59 -- GREEN FLAG: Denny Hamlin gets the race back under way.
1. Denny Hamlin
2. Matt Kenseth
3. Kevin Harvick
4. Kurt Busch
5. Dale Earnhardt Jr.

Lap 58 -- LEAD CHANGE: Michael Waltrip pits, giving the lead to Denny Hamlin.

Lap 57 -- LEAD CHANGE: Michael Waltrip stays out and leads a lap.

Lap 55 -- The leaders head down pit road:
• Carl Edwards gets four tires and adjustments, but loses spots on a narrow lane
• Matt Kenseth gets four tires in 15.4 seconds
• Denny Hamlin gets out first with air-pressure and chassis adjustments
• Greg Biffle gets out sixth, gaining four positions