Sam Hornish Jr. climbs into his race car during practice for Sunday's NASCAR Sprint Cup Series Pennsylvania 400 auto race, Friday, Aug. 3, 2012, at Pocono Raceway in Long Pond, Pa. Hornish has replaced A.J. Allmendinger while NASCAR is still investigating Allmendinger's positive drug test. (AP Photo/Mel Evans)

Sam Hornish Jr. climbs into his race car during practice for Sunday's NASCAR Sprint Cup Series Pennsylvania 400 auto race, Friday, Aug. 3, 2012, at Pocono Raceway in Long Pond, Pa. Hornish has replaced A.J. Allmendinger while NASCAR is still investigating Allmendinger's positive drug test. (AP Photo/Mel Evans)

As a crew pushes a race truck in the pits, Sam Hornish Jr. (22) races past on the track during practice for Sunday's NASCAR Sprint Cup Series Pennsylvania 400 auto race, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Dale Earnhardt Jr. (88) drives on the track during practice for Sunday's NASCAR Sprint Cup Series Pennsylvania 400 auto race, Friday, Aug. 3, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Dale Earnhardt Jr. (88) drives on the track during practice for Sunday's NASCAR Sprint Cup Series Pennsylvania 400 auto race, Friday, Aug. 3, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Crew member James Lamb works on the NASCAR Camping World Truck series truck of Miguel Paludo (32) in the pits as NASCAR Sprint Cup Series cars of Travis Kvapil (93) and Joey Logano (20) pass during practice for Sunday's NASCAR Sprint Cup Series Pennsylvania 400 auto race, Friday, Aug. 3, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Dale Earnhardt Jr. looks under the hood of his car in the garage area during practice for Sunday's NASCAR Sprint Cup Series auto race, Friday, Aug. 3, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Crew members repair Paul Menard's race car in the garage area after he hit the wall during practice for Sunday's NASCAR Sprint Cup Series auto race, Friday, Aug. 3, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Mark Martin climbs into his car in the garage area during practice for Sunday's NASCAR Sprint Cup Series auto race, Friday, Aug. 3, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Juan Pablo Montoya (42) takes the pole during qualifying for Sunday's NASCAR Sprint Cup Series Pennsylvania 400 auto race, Saturday, Aug. 4, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Dale Earnhardt Jr. drives during qualifying for Sunday's NASCAR Sprint Cup Series auto race, Saturday, Aug. 4, 2012, at Pocono Raceway in Long Pond, Pa. Earnhardt qualified in eighth place. (AP Photo/Mel Evans)

Mark Tardugno hugs Juan Pablo Montoya after Montoya won the pole during qualifying for Sunday's NASCAR Sprint Cup Series auto race, Saturday, Aug. 4, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Inspectors look over the race car of Jeff Gordon in the garage area before qualifying for Sunday's NASCAR Sprint Cup Series auto race, Saturday, Aug. 4, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Travis Kvapil drives during qualifying for Sunday's NASCAR Sprint Cup Series auto race, Saturday, Aug. 4, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

People sit on motorhomes and watch qualifying for Sunday's NASCAR Sprint Cup Series auto race, Saturday, Aug. 4, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Don Thompson scrambles from his burning race car during the ARCA auto race, Saturday, Aug. 4, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Don Thompson drives his burning car during the ARCA auto†race, Saturday, Aug. 4, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Chad Hackenbracht celebrates after winning the ARCA auto race, Saturday, Aug. 4, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

One of Ryan Newman's crew members, Kevin Pennell, works on their race car as teams prepare for the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Race cars sit under cloudy skies in the garage area as teams prepare for the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

People gather to watch inspection of Josh Wise's race car, as teams prepare for the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Race cars sit covered along the pits after the start of the NASCAR Sprint Cup Series auto race was postponed due to rain on Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Juan Pablo Montoya (42) leads Denny Hamlin (11) and the pack at the start of the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Dale Earnhardt Jr., (88) races side-by-side with Denny Hamlin (11) as Juan Pablo Montoya (42) follows during the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Jimmie Johnson (48) leads Paul Menard (27) and Kyle Busch (18) during the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Juan Pablo Montoya (42) makes a pit stop during the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Fans leave the stands after the start of the NASCAR Sprint Cup Series auto race was postponed due to rain on Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Jeff Gordon walks for his car after winning a rain-shortened NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Crew members stand in the pits in a downpour that shortened the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. Jeff Gordon won. (AP Photo/Mel Evans)

Crew members push Ryan Newman's car in a downpour that shortened the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. Jeff Gordon won. (AP Photo/Mel Evans)

Crew members push Aric Almirola's car in a downpour that shortened the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. Jeff Gordon won. (AP Photo/Mel Evans)

Jeff Gordon holds his daughter Ella after he won a rain-shortened NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Jeff Gordon sprays liquid as his team celebrates winning a rain-shortened NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Jeff Gordon, center, douses his crew as they celebrate winning a rain-shortened NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Jeff Gordon (24) leads Kasey Kahne (5) in the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. Gordon won the rain-shortened race. Kahne was second. (AP Photo/Mel Evans)

Crew members push Ryan Newman's car in a downpour that shortened the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. Jeff Gordon won. (AP Photo/Mel Evans)

Fans stand under the grandstand after the start of the NASCAR Sprint Cup Series auto race was postponed due to rain on Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Fans stand under the grandstand after the start of the NASCAR Sprint Cup Series auto race was postponed due to rain on Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

Jeff Gordon (24) races side-by-side with Sam Hornish Jr., (22) during the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. Gordon won the rain-shortened race. (AP Photo/Mel Evans)

Mostly empty camping and parking lots appear behind the grandstands after the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. A lightning strike in the parking lot at Pocono Raceway after the rain-shortened race killed one person and injured nine others, racetrack officials said. It wasn't immediately clear if all 10 people were actually struck by lightning in the parking lot behind the grandstand, nor was it known whether one or multiple strikes occurred. (AP Photo/Mel Evans)

People sit at a campfire in a lot near the grandstands after the NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. A lightning strike in the parking lot at Pocono Raceway after the rain-shortened race killed one person and injured nine others, racetrack officials said. It wasn't immediately clear if all 10 people were actually struck by lightning in the parking lot behind the grandstand, nor was it known whether one or multiple strikes occurred. (AP Photo/Mel Evans)

In this photo taken Saturday, Aug. 4, 2012, inspectors look over the race car of Jeff Gordon in the garage area before qualifying for the NASCAR Sprint Cup Series auto race at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

In this photo taken, Sunday, Aug. 5, 2012, Jeff Gordon signals number one after he won a rain-shortened NASCAR Sprint Cup Series auto race at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

In this photo taken Sunday, Aug. 5, 2012, Jeff Gordon sprays champagne as he celebrates winning the rain-shortened NASCAR Sprint Cup Series auto race, Sunday, Aug. 5, 2012, at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

In this photo taken Saturday, Aug. 4, 2012, Jeff Gordon (24) drives his race car during qualifying for the NASCAR Sprint Cup Series auto race at Pocono Raceway in Long Pond, Pa. (AP Photo/Mel Evans)

FILE- This Aug. 3, 2012 file photo shows Sam Hornish Jr. climbing into his race car during practice for the NASCAR Sprint Cup Series Pennsylvania 400 auto race at Pocono Raceway in Long Pond, Pa. Penske Racing says it is trying to put together a Sprint Cup Series schedule for Hornish next season. (AP Photo/Mel Evans, File)