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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)
Ryan Blaney, driver of the #22 Discount Tire Ford, celebrates in victory lane after winning the NASCAR XFINITY Series U.S. Cellular 250 at Iowa Speedway on August 1, 2015 in Newton, Iowa. (Photo Credit: Brian Lawdermilk/NASCAR via Getty Images)
Ryan Blaney, driver of the #22 Discount Tire Ford, celebrates in victory lane after winning the NASCAR XFINITY Series U.S. Cellular 250 at Iowa Speedway on August 1, 2015 in Newton, Iowa. (Photo Credit: Brian Lawdermilk/NASCAR via Getty Images)
Ryan Blaney, driver of the #22 Discount Tire Ford, does a burn out after winning the NASCAR XFINITY Series U.S. Cellular 250 at Iowa Speedway on August 1, 2015 in Newton, Iowa. (Photo Credit: Brian Lawdermilk/NASCAR via Getty Images)
Ryan Blaney, driver of the #22 Discount Tire Ford, takes the chequered flag while winning the NASCAR XFINITY Series U.S. Cellular 250 at Iowa Speedway on August 1, 2015 in Newton, Iowa. (Photo Credit: Sean Gardner/NASCAR via Getty Images)
Brendan Gaughan, driver of the #62 South Point Chevrolet, leads during the NASCAR XFINITY Series U.S. Cellular 250 at Iowa Speedway on August 1, 2015 in Newton, Iowa. (Photo Credit: Sean Gardner/NASCAR via Getty Images)
Green flag start of the NASCAR XFINITY Series U.S. Cellular 250 at Iowa Speedway on August 1, 2015 in Newton, Iowa.  (Photo Credit: Sean Gardner/NASCAR via Getty Images)
Ryan Blaney, driver of the #22 Discount Tire Ford, leads during the NASCAR XFINITY Series U.S. Cellular 250 race, at Iowa Speedway on August 1, 2015 in Newton, Iowa. (Photo Credit: Brian Lawdermilk/NASCAR via Getty Images)
Kyle Busch, driver of the #51 Dollar General Toyota, celebrates in Victory Lane after winning the NASCAR Camping World Truck Series Pocono Mountains 150 at Pocono Raceway on August 1, 2015 in Long Pond, Pennsylvania.  (Photo Credit: Nick Laham/Getty Images)
Kyle Busch, driver of the #51 Dollar General Toyota, celebrates in Victory Lane after winning the NASCAR Camping World Truck Series Pocono Mountains 150 at Pocono Raceway on August 1, 2015 in Long Pond, Pennsylvania.  (Photo Credit: Nick Laham/Getty Images)
Kyle Busch, driver of the #51 Dollar General Toyota, celebrates with a burnout after winning the NASCAR Camping World Truck Series Pocono Mountains 150 at Pocono Raceway on August 1, 2015 in Long Pond, Pennsylvania. (Photo Credit: Nick Laham/Getty Images)
Kyle Busch, driver of the #51 Dollar General Toyota, takes the chequered flag to win the NASCAR Camping World Truck Series Pocono Mountains 150 at Pocono Raceway on August 1, 2015 in Long Pond, Pennsylvania.  (Photo Credit: Todd Warshaw/NASCAR via Getty Images)
Kyle Busch, driver of the #51 Dollar General Toyota, leads Kevin Harvick, driver of the #00 Haas Automation Chevrolet, during the NASCAR Camping World Truck Series Pocono Mountains 150 at Pocono Raceway on August 1, 2015 in Long Pond, Pennsylvania. (Photo Credit: Tim Bradbury/Getty Images)
David Ragan, driver of the #55 Aaron`s Dream Machine Toyota, practices for the NASCAR Sprint Cup Series Windows 10 400 at Pocono Raceway on July 31, 2015 in Long Pond, Pennsylvania. (Photo Credit: Jared C. Tilton/Getty Images)
Kevin Harvick, driver of the #4 Jimmy John’s/Budweiser Chevrolet SS, will be on the front row after qualifying for second position Friday, July 31, 2015 for Sunday`s NASCAR Sprint Cup race at Pocono Raceway in Long Pond, Pennsylvania. Harvick leads the NASCAR Sprint Cup Series (NSCS) standings. (Photo by Harold Hinson/HHP for Chevy Racing)
Austin Dillon, driver of the #3 American Ethanol Chevrolet SS, qualifies for fourth position Friday, July 31, 2015 for Sunday`s NASCAR Sprint Cup race at Pocono Raceway in Long Pond, Pennsylvania. Dillon is 19th in the NASCAR Sprint Cup Series (NSCS) standings. (Photo by Rusty Jarrett/HHP for Chevy Racing)
Tony Stewart, driver of the #14 Rush Truck Centers/Mobil 1 Chevrolet SS, qualifies for fifth position Friday, July 31, 2015 for Sunday`s NASCAR Sprint Cup race at Pocono Raceway in Long Pond, Pennsylvania. Stewart is 26th in the NASCAR Sprint Cup Series (NSCS) standings.(Photo by Harold Hinson/HHP for Chevy Racing)

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