Lap-by-Lap: Dover

CHECKERED FLAG: Martin Truex Jr. wins the Autism Speaks 400, his first career victory in the Nexel Cup Series.

Lap 399 -- WHITE FLAG: Martin Truex Jr. is in cruise control as he dices through lapped traffic.

Lap 397 -- The lead for Martin Truex Jr. is now more than 6 seconds.

Lap 395 -- Jeff Gordon nearly hits the wall after racing hard with Greg Biffle.

Lap 390 -- Martin Truex Jr.'s lead is 4.629 seconds ahead of Ryan Newman.

Lap 382 -- Jimmie Johnson heads to pit road with a flat rear tire. He was running second at the time, but wore out his right-rear tire in chasing Martin Truex Jr.

Lap 370 -- Jimmie Johnson gets by Ryan Newman to take second.

Lap 362 -- GREEN FLAG: Martin Truex Jr. leads the field to green.
1. Martin Truex Jr.
2. Ryan Newman
3. Jimmie Johnson
4. Carl Edwards
5. Clint Bowyer

Lap 357 -- The top five stay out, but the rest of the lead-lap cars pit:
• Jeff Gordon seeks major adjustments and gets them
• Matt Kenseth gets adjustments and four tires

Lap 356 -- YELLOW FLAG NO. 7: David Gilliland spins and collects teammate Ricky Rudd.

Lap 349 -- Jimmie Johnson tries to pass Ryan Newman, but he gets loose and backs off, saving himself from crashing.

Lap 348 -- LEAD CHANGE: Martin Truex Jr. goes by Ryan Newman to take the lead, but Jimmie Johnson is charging hard in third.

Lap 343 -- GREEN FLAG: Ryan Newman leads the field to green.
1. Ryan Newman
2. Martin Truex Jr.
3. Carl Edwards
4. Jimmie Johnson
5. Clint Bowyer

Lap 340 -- Kasey Kahne and Jeff Burton are the only lead-lap cars to pit.

Lap 338 -- YELLOW FLAG NO. 6: Michael Waltrip spins out with a flat tire.

Lap 333 -- GREEN FLAG: Ryan Newman gets the race going again.
1. Ryan Newman
2. Martin Truex Jr.
3. Carl Edwards
4. Clint Bowyer
5. Jimmie Johnson

Lap 329 -- Leaders head to pit road:
• Jimmie Johnson gets small adjustments and four tires
• Martin Truex Jr. gets out in 14.2 seconds
• Carl Edwards has a quick stop in 13.2 seconds
• Ryan Newman comes out with the lead

Lap 328 -- YELLOW FLAG NO. 5: Ward Burton has smashed the wall and has significant damage on the right side.

Lap 315 -- Regan Smith has indeed replaced David Stremme as driver of the No. 40 car because Stremme has an upset stomach.

Lap 295 -- LEAD CHANGE: Martin Truex Jr. moves around Ryan Newman for the lead.

Lap 275 -- GREEN FLAG: Ryan Newman leads the field to green.
1. Ryan Newman
2. Martin Truex Jr.
3. Clint Bowyer
4. Carl Edwards
5. Mark Martin

Lap 273 -- NASCAR has parked Kurt Busch. During the caution, Tony Stewart was on pit road with his crew working on the machine, and Busch pulled alongside and had some words to say. Stewart's crewmen jumped out of the way in fear of getting hit by Busch's car.

Lap 272 -- Leaders are on pit road.
• Ryan Newman has a fast stop by gaining three spots
• Carl Edwards loses two spots

Lap 271 -- YELLOW FLAG NO. 4: Kurt Busch makes contact with Tony Stewart and slams the wall.

Lap 250 -- Dale Jarrett is on pit road without water pressure. The hood is up on his machine.

Lap 247 -- David Stremme is sick to his stomach and plans to get out of his car. His team has contacted Regan Smith, who was in Mark Martin's pit. Smith has gone to the garage to get prepared.

Lap 243 -- Jimmie Johnson is running fifth. Carl Edwards is second and continues to roll off fast lap times.

Lap 222 -- LEAD CHANGE: Martin Truex Jr. is back out front when pit stops cycle through. He has a 4.2-second lead.
1. Martin Truex Jr.
2. Carl Edwards
3. Clint Bowyer
4. Ryan Newman
5. Tony Stewart

Lap 220 -- Clint Bowyer is on pit road for his stop as the leader. Kyle Busch is also on pit road.

Lap 219 -- LEAD CHANGE: Clint Bowyer is the leader after Carl Edwards pits. Tony Stewart is also in for his stop, as is Kurt Busch.

Lap 218 -- LEAD CHANGE: Carl Edwards inherits the lead when Martin Truex Jr. gets on pit road, although he nearly misses the entrance.

Lap 217 -- Kasey Kahne is in for his stop, as is Ryan Newman.

Lap 216 -- Jeff Gordon is on pit road for his stop, and his crew member slips on a hose. Gordon has several adjustments.

Lap 215 -- Matt Kenseth leaves 11th spot to hit pit road for major adjustments. Elliott Sadler is also in for his stop, as is Mark Martin.

Lap 214 -- Casey Mears is on pit road to begin green-flag pit stops. Joe Nemchek and Sterling Marlin follow him.

Lap 205 -- Dale Earnhardt Jr. is off the pace once again and hits pit road several laps earlier than expected. Once again, it's a problem with the right-rear tire.

Lap 200 -- At the halfway point, Martin Truex Jr. leads Carl Edwards by 4.791 seconds.

Lap 190 -- J.J. Yeley is back from the garage. That puts all 43 cars on the track.

Lap 174 -- After early pit-road problems, Jimmie Johnson is now in the top 10.

Lap 162 -- Tony Stewart has moved into the top five. He started 30th.

Lap 144 -- J.J. Yeley heads to the garage for a broken shock mount. He plans to return.

Lap 143 -- LEAD CHANGE: Ryan Newman gets by Martin Truex Jr. quickly to take the lead.

Lap 142 -- GREEN FLAG: Martin Truex Jr. gets the race going again.
1. Martin Truex Jr.
2. Ryan Newman
3. Clint Bowyer
4. Carl Edwards
5. Kasey Kahne

Lap 137 -- Leaders are on pit road:
• Mark Martin is seeking a half-round of wedge in the right rear
• Ryan Newman is tight and gets several adjustments
• Martin Truex Jr. maintains the lead
• Matt Kenseth improves four spots and comes out ninth

Lap 136 -- YELLOW FLAG NO. 3: Kyle Busch has slapped the wall coming off Turn 4. He has minor damage but is OK to continue.

Lap 133 -- A.J. Allmendinger is in for an early pit stop. By pitting early, the shared pit stall with Johnny Sauter won't be an issue.

Lap 126 -- LEAD CHANGE: Martin Truex Jr. catches and passes Carl Edwards to take the point.

Lap 118 -- Martin Truex Jr. is flying. He moves under Ryan Newman to take second and sets his sights on leader Carl Edwards.

Lap 115 -- After the unscheduled stop, Dale Earnhardt Jr. is running 41st and is two laps down.

Lap 112 -- Dale Earnhardt Jr. is on pit road for four tires.

Lap 111 -- Dale Earnhardt Jr. has a flat right-rear tire and is off the pace.

Lap 109 -- LEAD CHANGE: Carl Edwards takes the lead from Ryan Newman to become the first car other than a Dodge to lead the race.

Lap 104 -- Carl Edwards dives underneath Dale Earnhardt Jr. to take second place. Jeremy Mayfield is on pit road with a flat right-rear tire. Jeff Green has also made an unscheduled stop.

Lap 95 -- Ryan Newman continues to set the pace. He has led more laps today than in the first 12 races of 2007 (52).

Lap 75 -- Kyle Busch is running in 43rd and is two laps down.

Lap 72 -- GREEN FLAG: Ryan Newman gets the race going again.
1. Ryan Newman
2. Dale Earnhardt Jr.
3. Carl Edwards
4. Kasey Kahne
5. Clint Bowyer

Lap 71 -- Kyle Busch hits pit road again to check a shock problem and has the hood up when the field comes to green.

Lap 70 -- LEAD CHANGE: Ryan Newman inherits the lead when Johnny Sauter hits pit road.

Lap 67 -- LEAD CHANGE: Johnny Sauter stays out to share his pit stall and leads a lap.

Lap 66 -- The leaders are on pit road:
• Carl Edwards tries to set up for the long run and is out in 13.6 seconds
• Four tires for Kasey Kahne and off fourth
• Matt Kenseth gaines three spots and comes off eighth
• Kevin Harvick has the hood up with steam bellowing out

Lap 65 -- YELLOW FLAG NO. 2: The second and final competition caution is out.

Lap 64 -- Ryan Newman struggles to put Michael Waltrip a lap down, allowing Dale Earnhardt Jr. to close in. Matt Kenseth is reporting rear brake issues.

Lap 59 -- Dale Earnhardt Jr. moves around Kasey Kahne to take second position, and Carl Edwards follows. Kahne is sliding around on his used tires.

Lap 57 -- LEAD CHANGE: Ryan Newman battles with Kasey Kahne for a lap before finally getting around him.

Lap 50 -- Kyle Busch appears to be on the move. He started 19th and is now running fifth and charging to the front.

Lap 39 -- Ryan Newman works his way around Scott Riggs for second position.

Lap 36 -- Jimmie Johnson is buried back in 36th position, just ahead of Kevin Harvick, who is battling a potential electrical issue under the hood.

Lap 31 -- GREEN FLAG: Kasey Kahne gets the race going again.
1. Kasey Kahne
2. Scott Riggs
3. Ryan Newman
4. Dale Earnhardt Jr.
5. Elliott Sadler

Lap 30 -- Jimmie Johnson returns to pit road to repair damage from swiping Kyle Petty on pit road.

Lap 27 -- LEAD CHANGE: Kasey Kahne takes the lead. Johnny Sauter stays out because he's sharing a pit stall with A.J. Allmendinger, but does not lead.

Lap 26 -- The field hits pit road:
• Carl Edwards is tight but makes adjustments in 14.6 seconds
• Kasey Kahne improves four spots and is out first with right sides only
• Ryan Newman makes no adjustments and gets out third
• Scott Riggs improves six spots to come out second

Lap 25 -- YELLOW FLAG NO. 1: The first competition caution is out.

Lap 20 -- The back end of a storm is looming over Dover, while the competition caution is five laps away.

Lap 15 -- Carl Edwards is on the move after starting fifth. He is on leader Ryan Newman's tail.

Lap 1 -- Ryan Newman leads the first lap.

12:16 p.m. -- GREEN FLAG: Ryan Newman and Dale Earnhardt Jr. take the green on the Autism Speaks 400.

12:10 p.m. -- Cars are on the track for warmup laps.

12:08 p.m. -- "Gentlemen, start your engines."

Noon: FOX is on the air and pre-race festivities begin immediately with the invocation and national anthem.

SUNDAY
2:17 p.m. -- The Autism Speaks 400 has been postponed until noon ET Monday on FOX.

2:01 p.m. -- Rain is back and dryers are off the track.

1:34 p.m. -- Dryers are on the track. Apparently there's a slight clearing in the weather and officials feel positive that the race will be run on Sunday.

1:03 p.m. -- During the pre-race broadcast, Jeff Hammond reports sources are telling him Dale Earnhardt Jr. may be close to signing a deal with Joe Gibbs Racing with Visa as a sponsor.

1 p.m. -- FOX's pre-race coverage is on the air, but it is raining harder.

12:48 p.m. -- Rain is coming down on Dover International Speedway and continues to threaten the race.

• Notes: Elliott's ability in 21 car wows Wood Brothers
• Last week's victory doesn't give Mears speed at Dover
• Notes: Waltrip ends futility streak at Dover
• Newman bumps Junior for second consecutive pole
• Seven-post shakers stir up Cup Series' team hierarchy
• RCR teams hope to end Hendrick's COT dominance