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	Restrictor Plates
		Restrictor plates are used in racecars as safety devices to slow cars down.
		The restrictor plate is a square aluminum plate that has four holes drilled into it.
		These plates are placed between the carburetor and the intake manifold to reduce the flow of air and fuel into the engine's combustion chamber, reducing horsepower and speed.
	www.geocities.com /nascarsafety/plates.html (282 words)

	NASCAR Changes Restrictor Plates - washingtonpost.com
		Talladega is the fourth of the 10 Chase for the championship races, and because of its three- and four-wide racing conditions, it's considered the wild-card of the title hunt.
		The carburetor restrictor plates are used at Talladega and Daytona, NASCAR's two biggest race tracks, because the wide-open lanes create speeds that would easily surpass 200 mph.
		Restrictor plates were introduced after a 1987 accident here when Bobby Allison's car went airborne and into the fence as the pack was racing by at about 209 mph.
	www.washingtonpost.com /wp-dyn/content/article/2006/10/07/AR2006100700370_pf.html (851 words)

	SR.com: NASCAR mandates smaller restrictor plates for Talladega
		The new plates are one-64th of an inch smaller than the ones distributed Friday.
		In NASCAR, restrictor plates, used at Daytona and Talladega, are placed between the carburetor and the intake manifold to restrict the amount of air/fuel mixture that can enter the engine.
		The plates, which are issued to teams at the track by NASCAR prior to the event, have four equal-sized holes.
	www.spokesmanreview.com /tools/story_breakingnews_pf.asp?ID=7603 (592 words)

	Limited Potency (Site not responding. Last check: 2007-10-31)
		Restrictor plates were used in the early ’70s to slow down the Chrysler Hemis, but they were only used for a few years.
		A restrictor plate is a thin piece of metal with four holes in the center.
		Restrictor plates are used to slow down and regulate the speed of race cars.
	www.circletrack.com /techarticles/39479 (982 words)

	Is The Chase Being Swallowed Up By Controversy? (Site not responding. Last check: 2007-10-31)
		This was the case in 1971 when they first used restrictor plates to equalize the performance of the 427 cubic inch engine versus that of the 358 cubic inch engine, which was ultimately adopted as standard in 1974.
		It wasn’t until 1994, six years after restrictor plates became mandatory however, that the roof flap technology was introduced and helped put an end to racecars simulating flying toasters.
		Restrictor plate racing is a huge fl mark against NASCAR and with the wealth of talent working in race shops located literally in their own back yard, not to mention their shiny new R & D center, well, you’d think the newly anointed leader in motorsports could come up with something a little more sane.
	insiderracingnews.com /CB/101305.html (2071 words)

	Sports: Restrictor plates in Chase are unsettling
		Before the plates came into use in 1987, race speeds at Talladega had climbed to 210 mph and longtime star Bobby Allison came through a terrifying crash in which his car hurtled high into the air, tore down yards of fencing and nearly went into the packed main grandstand at the Alabama track.
		The downside of the plates is they tend to make all the cars equal, bunching the field, slowing accelerator response and creating a situation in which huge multicar crashes have become almost routine at the two tracks.
		RESTRICTOR PLATES AT CHARLOTTE?: With less than rave reviews of the ever-changing track surface at Lowe's Motor Speedway from Chasers Tony Stewart, Greg Biffle and Mark Martin after a test last week, NASCAR officials are considering running restrictor plates on the cars in the October 15 race at Charlotte.
	www.sptimes.com /2005/09/29/Sports/Restrictor_plates_in_.shtml (655 words)

	All About Restrictor Plate Racing in NASCAR - Associated Content
		Restrictor plates not only limit car speed, but increase the probability that a race will be safer for both drivers and spectators.
		In order to understand why restrictor plates are necessary, but controversial at the same time, take note of these aspects of NASCAR racing as they relate to restrictor plates.
		Some drivers saw the restrictor plates as hindrances to winning their game, and some protested that they had long practiced safety; the Allison incident was an anomaly.
	www.associatedcontent.com /article/180120/all_about_restrictor_plate_racing_in.html (553 words)

	[No title]
		These restrictor plate races are really exciting for fans, but end up frustrating many of the drivers, because it is not about how good your car is. These restrictor plate races are more about missing “The Big One.” Some of the drivers believe there are better ways to slow the cars down.
		These restrictor plates were brought into NASCAR because of the bad wrecks that were starting to happen at these tracks, because of the excessive speeds.
		Some people say these restrictor plate races are good for NASCAR because it is starting to get too many tracks that are alike, and when drivers go to the super speedways, it brings out a different part of their driving abilities.
	web.bvu.edu /students/sohlway/Paper3.doc (2766 words)

	Daily Home - Gentlemen, restrict your gas flow
		A restrictor plate is a square with a hole at each corner, designed so it can be mounted to the four posts positioned around the carburetor of each Winston Cup vehicle.
		The first restrictor plate was used in the 1988 Daytona 500, and they have been in use ever since.
		There was even a version of the restrictor plate used in the early 1970s, required if drivers chose to use a certain type of engine.
	www.dailyhome.com /sports/2001/dh-racing-1017-sadamson-1j16r2252.htm (992 words)

	Howstuffworks "How NASCAR Safety Works"
		Restrictor plates are placed between the carburetor and the intake manifold to reduce the flow of air and fuel into the engine's combustion chamber, thus reducing horsepower and speed.
		Some believe that if restrictor plates weren't used, NASCAR cars could race on super-speedways at speeds in excess of 225 mph (362 kph) due to the improved aerodynamics of the cars over the past decade.
		While NASCAR officials contend that restrictor plates are needed to prevent high-speed crashes like Allison's, many drivers complain that restrictor plates are the cause of multi-car accidents.
	auto.howstuffworks.com /nascar-safety2.htm (323 words)

	[No title]
		The restrictor plates NASCAR uses are aluminum, and these restrictor plates are used to cut down the amount of power the engine can put out.
		These restrictor plates were needed at the time, but now the drivers believe restrictor plates are just dangerous and do not help at all.
		The restrictor plates just bring all the cars closer together, and they cause for all the cars to try to use all the same track space.
	web.bvu.edu /students/sohlway/Paper4.doc (1307 words)

	Restrictor Plates Purpose - Tech Articles - Stock Car Racing Magazine
		The holes in the restrictor plate are considerably smaller than on the bottom of the carburetor and top of the intake manifold.
		When a 1-inch restrictor plate is added, typically one third of the power is taken away, which drops the output to about 500 hp.
		Restrictor plates saw use as far back as the early 1970s to slow down cars such as this Chrysler Hemi driven by Dave Marcis.
	www.stockcarracing.com /techarticles/39479_restrictor_plates_purpose (1016 words)

	SPORTS - Comcast.net
		The plates are expected to bring speeds back down around the 195-mph mark that was reached in the May race here.
		Restrictor plates are used at Talladega and Daytona, NASCAR's two biggest race tracks because the wide open lanes create speeds that would easily surpass 200 mph.
		Restrictor plates were introduced after a 1987 accident here when Bobby Allison's car went airborne and through the fence _ narrowly avoiding the grandstands.
	www.comcast.net /sports/index.jsp?cat=SPORTS&fn=/2006/10/07/493890.html (443 words)

	Race 2 Win: NEXTEL Cup Series
		Without restrictor plates, race cars have the potential of reaching speeds of 230 miles an hour or more at the "superspeedway" tracks of Daytona and Talladega.
		Restrictor plates used in NASCAR's top level of racing are simple parts, merely metal sheets with four holes drilled in them.
		The engines generate their peak horsepower above 7000 rpm; with restrictor plates the powerband is effectively limited due to the airflow limitation the plate imposes.
	www.race2win.net /wc/07/02/cshrpm.html (767 words)

	AutoRacing1.com - Mark Cipolloni Page
		The restrictor plates rob the engines of about 40% of their horsepower by limiting the amount of air flow into the combustion chamber.
		The plates are put in place by NASCAR officials; at the beginning of the weekend, in the garage area.
		NASCAR determined that Schrader's speed was too fast and they decided to shrink the restrictor plate down to 15/16 inches in time for the Spring race at Talladega in 1989.
	www.autoracing1.com /GoodBoys/2001/0212Plate.htm (1868 words)

	NASCAR Alley (Site not responding. Last check: 2007-10-31)
		In 1987, restrictor plates, which reduce horsepower by restricting airflow from the carburetor to the engine, were devised by NASCAR in an effort to make fast tracks like Talladega Superspeedway and Daytona International Raceway safer.
		In theory, restrictor plates seemed like a good idea, but they continue to fail in accomplishing what they were meant to do, which is to make driving at these tracks safer.
		The restrictor plate has been revised several times since NASCAR mandated the use of the car-slowing devices after Bobby Allison's major crash at Talladega.
	nascarblog.typepad.com /nascar_alley (2898 words)

	rpm.espn.com: Time for plates to go
		More than half the field was damaged in just two accidents, which could have been lessened if cars weren't forced to remain so close to one other due to the limits restrictor plates put on the amount of power generated from oxygen-robbed carburetors.
		And while many countless numbers of drivers, team owners, team members and fans are once again ruing what havoc the use of restrictor plates caused, there's another angle that arose from the mayhem.
		With restrictor plate racing and limited options to avoid impact, you're not just "caught up," you're sucked into a fl hole.
	espn.go.com /rpm/wc/2002/0217/1335495.html (755 words)

	GoTricities.com > The restrictor plate has outlived its usefulness
		The restrictor plate is the most significant safety feature added to a NASCAR stock car since five-point seat harnesses replaced lap belts.
		Restrictor plate racing is entertaining, but the restrictor plate is now obsolete.
		Preferably remove the plate for the October Talladega race during “The Chase.” We lost too many Chase contenders Sunday who were caught up in restrictor plate wrecks.
	gotricities.com /content/article.dna?idNumber=051005120809 (1461 words)

	Joe Gibbs Racing
		On a day where many race fans and drivers alike didn't know what to expect, with restrictor plates being run for the first time at New Hampshire International Speedway, the Interstate Batteries team went out and reassured everyone that no major changes have taken place in the Winston Cup world.
		Starting from the pole, Bobby showed why he is on top of the Cup points battle as he kept the #18 Pontiac near the front of the pack and settled for an impressive second place finish at Loudon.
		With restrictor plates limiting the ability to pass, Burton became the first driver since 1961 to lead every lap of the race on his way to victory.
	www.joegibbsracing.com /season_2000/news_wc/news_cup_000916_race.php (314 words)

	abc11tv.com: NASCAR slows speeds at Talladega with plate change (Site not responding. Last check: 2007-10-31)
		The new plates knocked the speeds from Jeff Gordon's top mark of 198.689 mph in practice to David Gilliland's pole-winning mark of 191.712."We tried to downplay it and we didn't want to make a knee-jerk reaction," NASCAR competition director Robin Pemberton said in explaining the delay in changing the plates.
		The plates are designed to sap the horsepower and make the speeds much more manageable.But Talladega repaved the track over the summer, and the new asphalt created a smooth surface with better grip -- a perfect scenario for creating faster speeds.
		The openings in the plates have been changed occasionally to control the speeds at Talladega and Daytona since then.This isn't the first time NASCAR has made a plate change in the middle of a race weekend.
	abclocal.go.com /wtvd/story?section=sports&id=4637951 (797 words)

	Plate debate begins in Loudon (Site not responding. Last check: 2007-10-31)
		In turn the plate cuts horsepower from an average of 760 to anywhere between 410 to 430.
		Earnhardt has won 10 Winston Cup ''restrictor plate'' races since 1988 but says plate racing is ''a joke'' because underpowered cars bunch up in a line, rarely able to pass.
		There was at least one other alternative to the restrictor plate, first introduced in a larger version during 1970 after Buddy Baker turned an average speed of 200 mph at Talledega.
	www.eagletribune.com /news/stories/20000917/SP_004.htm (1140 words)

	Restrictor plates, air foils should mean wild time at Talladega - CBS SportsLine
		High-speed, nail-biting, tight-quarter racing; those are all the reasons so many NASCAR fans love to watch restrictor plate racing at the sport's two biggest speedways.
		The competitors may have to tolerate restrictor plate racing, it doesn't mean they have to like it.
		The best restrictor plate racer of them all, the late Dale Earnhardt, complained mightily about NASCAR's formula to slow the cars and even the field at stock car's two biggest tracks in Daytona and Talladega, Ala.
	www.sportsline.com /b/page/pressbox/0,1328,3797257,00.html (735 words)

	Restrictor plates -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-31)
		Restrictor plates are devices installed between the (Mixes air with gasoline vapor prior to explosion) carburetor and intake manifold that restrict the amount of air and fuel entering the engine's combustion chamber.
		Drivers often form long chains, which, due to the lack of air resistance, typically travel faster than single cars.
		This type of racing is often referred to by fans, drivers, and crew members alike as restrictor plate racing.
	www.absoluteastronomy.com /encyclopedia/r/re/restrictor_plates.htm (192 words)

	The Callahan Report: Jeff Burton leads every lap at New Hampshire in 'restricted' win
		The call for restrictor plates came after two drivers died in crashes at New Hampshire earlier this year.
		Burton was one of only two drivers who tested restrictor plates on a mile track this week.
		Restrictor plates are normally reserved for the superspeedways like Talladega and Daytona.
	www.theautochannel.com /news/date/20000917/news025770.html (1117 words)

	NASCAR - Open Encyclopedia (Site not responding. Last check: 2007-10-31)
		The fastest track is Talladega Superspeedway where the record race speed is 188 mph (303 km/h) with the record qualifying lap of 212.809 mph/44.998s (342.483 km/h) set by Bill Elliott.
		As a safety measure to reduce speeds at the two fastest tracks (Daytona International Speedway and Talladega), a restrictor plate must be placed between the carburetor and intake manifold to restrict air and fuel flow and, therefore, power.
		Today, the highest speeds in NASCAR are found at Atlanta Motor Speedway, which is the fastest track where restrictor plates are not mandated.
	open-encyclopedia.com /NASCAR (533 words)

	Oscar Controls (Site not responding. Last check: 2007-10-31)
		A blank Joystick Restrictor mounting plate was then bolted to the top of the control panel and the joystick base on the underside with the screws supplied with the Joystick Restrictor kit.
		The holes for the Restrictor Plates were then drilled with a 3/16" and 1/4" bit, as required by the Mounting Plate hole sizes.
		The pinned connection for the Restrictor Plates works extremely well when the holes are drilled exactly perpendicular to the control panel and using the Mounting Plate as a guide.
	www.oscarcontrols.com /customize_hotrod.shtml (467 words)

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