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The Spoiler Returns

Will the Spoiler Help Reigning NASCAR Champion Jimmy Johnson?

First, the facts.

Jimmie Johnson finished ninth Monday at Martinsville Speedway in a pedestrian run for the No. 48 team.

In eight previous races at the .526-mile short track, Johnson had led at least 42 laps in each race and a total of 1,380 laps. He won five of those eight races.

How many laps did Johnson lead in the Goody's Fast Pain Relief 500 in Monday's rain-delayed race? Zero. Yes, he posted his 16th straight top-10 finish at Martinsville, but it was a day-long struggle.

What was the single most obvious variable that separated Monday's race from the previous eight? NASCAR's switch from a rear wing to a blade spoiler on the Sprint Cup car, of course. The change became permanent at Martinsville.

Now, the disclaimers.

It was the first race with the spoiler, on a track where aerodynamics play only a minor role. Johnson said after the race that his lack of speed resulted from experimental changes to his car, as crew chief Chad Knaus tried—as he invariably does—to stay ahead of the performance curve.

With three victories in the first five races of the 2010 season, Johnson and Knaus felt they could afford to deviate from setups that had produced dominating efforts in the past.

"We were trying some stuff through the company, especially on the 48 car today," Johnson explained after the race. "We thought we would get it sorted out in practice and just came up a little short—didn't get enough time with our new ideas.

"(We got) good race experience with it (Monday), and we know what we were trying here will help us at other tracks down the road. In some respects, you wish you could just come back with the same stuff all the time and have it work, but this garage area doesn't sit still.

"With the fast start we've had, we wanted to be smart and try some things out. Ninth today was about it for us."

The bottom line is that the spoiler might have had nothing at all to do with the very ordinary performance of the No. 48 team.

On the other hand, Martin Truex Jr. said before the race that his car felt comfortable with the spoiler during recent testing at Charlotte Motor Speedway. Truex finished fifth Monday, his best effort of the season so far.




Related Pictures

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Jimmie Johnson at Martinsville
Third-fastest in final practice, Jimmie Johnson drives the No. 48 Lowe`s Chevrolet as he prepares for the NASCAR Sprint Cup Series AMP Energy 500 at Talladega Superspeedway on Friday in Talladega, Ala. (Photo Credit: John Harrelson/Getty Images for NASCAR)
Kyle Busch, driver of the #18 M&M`s Crispy Toyota, leads Kurt Busch, driver of the #41 Haas Automation Chevrolet, at the end of the NASCAR Sprint Cup Series Toyota/Save Mart 350 at Sonoma Raceway on June 28, 2015 in Sonoma, California. (Photo Credit: Robert Laberge/Getty Images)
Kyle Busch, driver of the #18 M&M`s Crispy Toyota, celebrates with a burnout after winning the NASCAR Sprint Cup Series Toyota/Save Mart 350 at Sonoma Raceway on June 28, 2015 in Sonoma, California. (Photo Credit: Jonathan Moore/Getty Images)
Kyle Busch, driver of the #18 M&M`s Crispy Toyota, celebrates after winning the NASCAR Sprint Cup Series Toyota/Save Mart 350 at Sonoma Raceway on June 28, 2015 in Sonoma, California. (Photo Credit: Rainier Ehrhardt/NASCAR via Getty Images)
Kyle Busch, driver of the #18 M&M`s Crispy Toyota, crosses the finish line to win the NASCAR Sprint Cup Series Toyota/Save Mart 350 at Sonoma Raceway on June 28, 2015 in Sonoma, California. (Photo Credit: Jonathan Moore/Getty Images)
Martin Truex Jr., driver of the #78 Furniture Row/Visser Precision Chevrolet, leads a pack of cars during the NASCAR Sprint Cup Series Toyota/Save Mart 350 at Sonoma Raceway on June 28, 2015 in Sonoma, California.  (Photo Credit: Jerry Markland/Getty Images for NASCAR)
AJ Allmendinger, driver of the #47 Kingsford Charcoal Chevrolet, leads the field to the green flag at the start of the NASCAR Sprint Cup Series Toyota/Save Mart 350 at Sonoma Raceway on June 28, 2015 in Sonoma, California.  (Photo Credit: Jerry Markland/Getty Images for NASCAR)
Fans cheer as cars race during the NASCAR Sprint Cup Series Toyota/Save Mart 350 at Sonoma Raceway on June 28, 2015 in Sonoma, California. (Photo Credit: Robert Laberge/Getty Images)
Jimmie Johnson, driver of the #48 Lowe`s Pro Services Chevrolet, leads Kyle Busch, driver of the #18 M&M`s Crispy Toyota, during the NASCAR Sprint Cup Series Toyota/Save Mart 350 at Sonoma Raceway on June 28, 2015 in Sonoma, California. (Photo Credit: Robert Laberge/Getty Images)
Clint Bowyer, driver of the #15 5-Hour Energy Toyota, pits during the NASCAR Sprint Cup Series Toyota/Save Mart 350 at Sonoma Raceway on June 28, 2015 in Sonoma, California. (Photo Credit: Jerry Markland/Getty Images)
Kevin Harvick, driver of the #4 Folds of Honor/Outback Steakhouse/Budweiser Chevrolet SS, finishes in fourth place, Sunday June 28, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California.  (Photo by Rusty Jarrett/HHP for Chevy Racing)
Kevin Harvick, driver of the #4 Folds of Honor/Outback Steakhouse/Budweiser Chevrolet SS, finishes in fourth place, Sunday June 28, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California.  (Photo by Rusty Jarrett/HHP for Chevy Racing)
Kurt Busch, driver of the #41 Haas Automation Chevrolet SS, finishes in second place, Sunday June 28, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California.  (Photo by Rusty Jarrett/HHP for Chevy Racing)
Kurt Busch, driver of the #41 Haas Automation Chevrolet SS, finishes in second place, Sunday June 28, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California.  (Photo by Rusty Jarrett/HHP for Chevy Racing)

Kurt Busch, driver of the #41 Haas Automation Chevrolet SS, finishes in second place, Sunday June 28, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California.  (Photo by Rusty Jarrett/HHP for Chevy Racing)

Kevin Harvick, driver of the #4 Folds of Honor/Outback Steakhouse/Budweiser Chevrolet SS, finishes in fourth place, Sunday June 28, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California.  (Photo by Rusty Jarrett/HHP for Chevy Racing)

Kevin Harvick, driver of the #4 Folds of Honor/Outback Steakhouse/Budweiser Chevrolet SS, finishes in fourth place, Sunday June 28, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California.  (Photo by Rusty Jarrett/HHP for Chevy Racing)
Kyle Larson, driver of the #42 Chevrolet SS, qualifies for fourth position, Saturday June 27, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California. (Photo by Harold Hinson/HHP for Chevy Racing)
Jeff Gordon, driver of the #24 Chevrolet SS, qualifies for fifth position, Saturday June 27, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California. (Photo by Harold Hinson/HHP for Chevy Racing)
A.J. Allmendinger, driver of the #47 Chevrolet SS, captures the pole position, Saturday June 27, 2015, in the NASCAR Sprint Cup race at Sonoma Raceway in Sonoma, California.  It is Allmendinger`s first career pole.  Allmendinger is 22nd in the standings. (Photo by Rusty Jarrett/HHP for Chevy Racing)

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