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Restrictor Plates are Larger for Daytona

With a larger restrictor plate at Daytona, can faster speeds be far behind?
Sprint Cup teams will start the Coke Zero 400 weekend at Daytona International Speedway using restrictor plates with holes 1-1/32nd of an inch in diameter, 3/64ths of an inch bigger than the plates used in the Daytona 500 in February, when the Cup cars still had rear wings.

NASCAR replaced the wing with a rear spoiler in March.

The bigger the holes, the more air that flows through the engine and the more horsepower generated.

“We think this will be a needed boost due to the additional drag we've picked up since switching from a rear wing to a rear spoiler,” NASCAR vice president of competition Robin Pemberton said Monday.

NASCAR can change the size of the restrictor plate up until race time.

“I think a bigger plate is a good change,” said David Reutimann, who finished fifth in the 500. “I know that NASCAR has put a lot of thought into that stuff. We are talking about very, very small changes. We're not talking about going from one inch to two inch.

“Anytime the plate gets bigger the horsepower goes up—and I'm a fan of that. With the new configuration of the spoiler on the back I think it's a good fit for what we're trying to do.”



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Close Finish at Daytona
Paul Menard, driver of the #27 Serta/Menards Chevrolet SS, finished ninth and Austin Dillon, driver of the #3 Dow Great Stuff Chevrolet SS, finished 28th Saturday, August 23, 2014 in the Nascar Sprint Cup race at Bristol Motor Speedway in Bristol, Tennessee. (Photo by Alan Marler/HHP for Chevy Racing)
Jamie McMurray, driver of the #1 McDonald’s Chevrolet SS, finished eighth and Kasey Kahne, driver of the #5 Great Clips Chevrolet SS, finished 35th Saturday, August 23, 2014 in the Nascar Sprint Cup race at Bristol Motor Speedway in Bristol, Tennessee. (Photo by Rusty Jarrett/HHP for Chevy Racing)
Kurt Busch, driver of the #41 Haas Automation Chevrolet SS, finished fifth Saturday, August 23, 2014 in the Nascar Sprint Cup race at Bristol Motor Speedway in Bristol, Tennessee. (Photo by Harold Hinson/HHP for Chevy Racing)
Jimmie Johnson, driver of the #48 Lowe`s Chevrolet SS, finished fourth and Kyle Larson, driver of the #42 Target Chevrolet SS, finished twelfth Saturday, August 23, 2014 in the Nascar Sprint Cup race at Bristol Motor Speedway in Bristol, Tennessee. (Photo by Rusty Jarrett/HHP for Chevy Racing)
Joey Logano, driver of the #22 Shell Pennzoil Ford, leads a pack of cars during the NASCAR Sprint Cup Series Irwin Tools Night Race at Bristol Motor Speedway on August 23, 2014 in Bristol, Tennessee. (Photo Credit: Tom Pennington/NASCAR via Getty Images)
Joey Logano, driver of the #22 Shell Pennzoil Ford, and his team celebrate in Victory Lane after winning the NASCAR Sprint Cup Series Irwin Tools Night Race at Bristol Motor Speedway on August 23, 2014 in Bristol, Tennessee. (Photo Credit: Matt Sullivan/NASCAR via Getty Images)
Joey Logano, driver of the #22 Shell Pennzoil Ford, celebrates in Victory Lane after winning the NASCAR Sprint Cup Series Irwin Tools Night Race at Bristol Motor Speedway on August 23, 2014 in Bristol, Tennessee.  (Photo Credit: Sean Gardner/Getty Images)
Joey Logano, driver of the #22 Shell Pennzoil Ford, celebrates in Victory Lane after winning the NASCAR Sprint Cup Series Irwin Tools Night Race at Bristol Motor Speedway on August 23, 2014 in Bristol, Tennessee.  (Photo Credit: Sean Gardner/Getty Images)
Joey Logano, driver of the #22 Shell Pennzoil Ford, takes the chequered flag to win the NASCAR Sprint Cup Series Irwin Tools Night Race at Bristol Motor Speedway on August 23, 2014 in Bristol, Tennessee. (Photo Credit: Brian Lawdermilk/NASCAR via Getty Images)
Joey Logano, driver of the #22 Shell Pennzoil Ford, celebrates with a burnout after winning the NASCAR Sprint Cup Series Irwin Tools Night Race at Bristol Motor Speedway on August 23, 2014 in Bristol, Tennessee. (Photo Credit: Patrick Smith/Getty Images)
Matt Kenseth, driver of the #20 Dollar General Toyota, leads a pack of cars during the NASCAR Sprint Cup Series Irwin Tools Night Race at Bristol Motor Speedway on August 23, 2014 in Bristol, Tennessee. (Photo Credit: Brian Lawdermilk/NASCAR via Getty Images)
Danica Patrick, driver of the #10 GoDaddy Chevrolet, is involved in an incident during the NASCAR Sprint Cup Series Irwin Tools Night Race at Bristol Motor Speedway on August 23, 2014 in Bristol, Tennessee. (Photo Credit: Patrick Smith/Getty Images)
Kyle Busch, driver of the #18 Doublemint Toyota, Aric Almirola, driver of the #43 STP Ford, and Clint Bowyer, driver of the #15 5-hour Energy Toyota, are involved in an on-track incident during the NASCAR Sprint Cup Series Irwin Tools Night Race at Bristol Motor Speedway on August 23, 2014 in Bristol, Tennessee. (Photo Credit: Sean Gardner/Getty Images)
Kyle Larson, driver of the #42 ENEOS Chevrolet, is involved in an incident during the NASCAR Nationwide Series Food City 300 at Bristol Motor Speedway on August 22, 2014 in Bristol, Tennessee. (Photo Credit: Rainier Ehrhardt/Getty Images)
Ryan Blaney, driver of the #22 Discount Tire Ford, celebrates in Victory Lane after winning the NASCAR Nationwide Series Food City 300 at Bristol Motor Speedway on August 22, 2014 in Bristol, Tennessee. (Photo Credit: Patrick Smith/Getty Images)
Ryan Blaney, driver of the #22 Discount Tire Ford, celebrates with a burnout after winning the NASCAR Nationwide Series Food City 300 at Bristol Motor Speedway on August 22, 2014 in Bristol, Tennessee. (Photo Credit: Patrick Smith/Getty Images)
Ryan Blaney, driver of the #22 Discount Tire Ford, takes the chequered flag to win the NASCAR Nationwide Series Food City 300 at Bristol Motor Speedway on August 22, 2014 in Bristol, Tennessee. (Photo Credit: Brian Lawdermilk/NASCAR via Getty Images)

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