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A restrictor plate is a device used to reduce air flow and horsepower in a nascar engine. The restrictor plates are used at Talledega and Daytona to reduce speeds for safety.

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Q: What is a restrictor plate in NASCAR racing?
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Related questions

What was dale Earnhardt's nickname in NASCAR?

His nicknames were "Ironhead, "The Intimidator", "Man In Black" and "Mr. Restrictor Plate".


How many Nascar Sprint Cup races are restrictor plate races?

Richard Petty won the most races in one season with 27 in 1967.


How much horsepower is in the Nascar Nationwide Series cars?

About 650 to 700hp unrestricted and roughly 450 with a restrictor plate.


Who won the last Nascar Winston Cup race at Daytona International Speedway without a carburetor restrictor plate?

Bobby Allison in 1987.


How many more horsepower does Chevrolet engines have than the Toyota engines in nascar?

Judging by the difference in restrictor plate size (smaller by 1/16" for Toyota for the Nationwide cars at Daytona this year, IIRC) and the performance seen on the track, I'd guess the Toyota's have about a 15-20 HP advantage over the non-R07 Chevy SB2 Nationwide NASCAR engines. The restrictor plate costs about 10 HP, yet the Toyota's were able to pass SB2 powered cars that use a larger restrictor plate. The Chevy Nationwide R07 is on a par with the Toyota Nationwide NASCAR engine in HP. The Chevy Nationwide R07 uses a restrictor plate the same size as the Nationwide Toyota. Whether this all will hold true with the Sprint Cup cars remains to be seen.


What is the top speed in NASCAR racing?

When the cars start hitting 200 mph., NASCAR slows them down with restrictor plates. Above about 200, bad things happen, like cars crash, and go over fences and hurt spectators.


When was NASCAR Racing created?

NASCAR Racing was created in 1994.


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In 1990 Bill Elliott won the pole at Talladega at 199.388 MPH - NASCAR mandated smaller restrictor plates after that. In the draft Carl Edwards and Brad Keselowski hit trap speeds of 205 MPH in 2009.


When did NASCAR Kart Racing happen?

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Yes, they can. The only exception is Daytona and Talladega. It's perfectly legal for a Nascar driver to pass on or go below the white line and gain a position at all racing venues, excluding restrictor plate tracks.At Daytona and Talladega there are double yellow lines, which is considered out of bounds. Drivers who go below the line at these two tracks can be penalized.


Is Wendell Scott's daughter racing in NASCAR?

No, Wendell Scott's daughter, Deborah, is not racing in Nascar.


When did EA Sports NASCAR Racing happen?

EA Sports NASCAR Racing happened in 2007.