National Hot Rod Association

The National Hot Rod Association (NHRA) is a governing body which sets rules in drag racing and hosts events all over the United States and Canada. With over 40,000 drivers in its rosters, the NHRA claims to be the largest motorsport sanctioning body in the world.^[1]

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National Hot Rod Association

Sport	Drag racing
Jurisdiction	North America
Abbreviation	NHRA
Founded	May 1951; 73 years ago (1951-05)
Headquarters	San Dimas, California Brownsburg, Indiana, U.S.
President	Glen Cromwell
Chairman	Dallas Gardner
Official website
www.nhra.com

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The association was founded by Wally Parks in 1951 in California to provide a governing body to organize and promote the sport of drag racing. NHRA's first Nationals was held in 1955, in Great Bend, Kansas. The NHRA Mission Foods Drag Racing Series, the national event series which comprises 24 races each year, is the premier series in drag racing that brings together the best drag racers from across North America and the world. The NHRA U.S. Nationals are now held at Lucas Oil Raceway in Brownsburg, Indiana and are officially called the U.S. Nationals. Winners of national events are awarded a trophy statue in honor of founder Wally Parks. The trophy is commonly referred to by its nickname, "The Wally".

Wally Parks, editor of Hot Rod magazine and a dry lakes racer himself, began the National Hot Rod Association to promote "safety, sportsmanship, and fellowship" among hot rodders. The association gained about 25,000 members in its first year; within six years, it had more than 57,000 members.^[2]

Hot Rod magazine and NHRA worked together to convince the general public and especially the police that there was a difference between hot-rodders and reckless street racers, sometimes known as "shot rodders". They encouraged the involvement of adults, such as auto shop teachers and garage owners. The NHRA's efforts to defend the image of the hot-rodder included a series of short films such as The Cool Hot Rod (1953) in which a delinquent teen learns that "a reckless kid in an old junker is not a hot-rodder at all. He's a square."^[2]

NHRA initiated the 1954 "Drag Safari", a nationwide tour to encourage organized drag racing with an emphasis on safety. Sponsored by Mobil Oil, the Safari crew would meet with law enforcement and local city officials at each stop to explain their program, involve local car clubs, set up sites, and run drag races.^[3] Drag Safari would lead to the 1955 US Nationals for drag racing.^[2]

Due to the coronavirus pandemic in the United States, the NHRA cancelled its 2020 and 2021 editions of the Drag Racing Series at the Virginia Motorsports Park. Regular scheduling resumed in 2022, with the events taking place in May of that year.^[4]

Currently, there are two headquarters offices, one in San Dimas, California, and the other in Brownsburg, Indiana at Lucas Oil Indianapolis Raceway Park. The Mission Foods Drag Racing Series offices are held in Brownsburg.

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NHRA has over 100 member tracks across the United States. It currently leases In N Out Pomona Dragstrip, Gainesville Raceway and Lucas Oil Raceway. It previously owned National Trail Raceway and Atlanta Dragway

The NHRA mandates numerous safety devices and procedures in all competition events.

A five-point safety harness is required for all vehicles. It holds the driver securely in the seat and is equipped with a quick-release latch which can be released in less than a second should the driver need to leave the car due to fire or explosions.

Fire suits are required for all drivers in the alcohol and nitromethane fuel classes and the faster gasoline classes. These suits are full body coveralls and made with seven layers of Nomex fabric, which makes them resistant to fire. The required suit includes Nomex gloves, foot socks, and head sock.

Another NASCAR transplant, which was brought into use after the death of Fireball Roberts, was the fuel cell. This bladder is placed into the fuel tanks of non-nitromethane-fueled vehicles to prevent fuel leaks and explosions.

Third is the use of the HANS device. This device limits the movement of the head and neck in the event of an impact.

Fourth is the titanium shield that must be placed behind the head of all Dragsters and Funny Cars down to the Alcohol ranks. This is to prevent any debris from entering the cockpit and becoming a missile hazard to the driver after the death of Top Fuel racer Darrell Russell.

Fifth is the on-board fire extinguishing system that is required. These systems are directed onto the engine itself and are activated instantly when the engine catches fire, reducing the chance for the car to completely catch fire and endanger the driver. The driver also has a manual activation control available. This has been in place on all cars since 1983, when an engine explosion and fire came very close to killing then-Funny Car driver Mike Dunn. All enclosed body cars must have a five-inch circular opening that will accept the nozzle of a fire extinguisher triggered by safety personnel. All vehicles must have a clearly marked fuel pump cut-off switch on a rear panel, accessible to safety crews.

Sixth is the roof escape hatch that is in place on all Funny Cars since the founding of the division in the early 1970s. This device allows Funny Car drivers a safe means of exit during an engine fire rather than falling out of the car between the frame and fiberglass body, and possibly running the risk of being run over by the rear tires.

Seventh are the long bars at the rear end of all cars, also known as "wheelie bars". These long struts prevent the car from flipping over during the launch phase.

To prevent debris, oil, fuel, or coolant from falling on the racing surface, "diapers" under the engine (with a supporting platform) are used to retain liquids and broken parts in the event of a catastrophic engine failure. "Oil-downs" result in substantial fines and the loss of previously earned Championship points (for annual awards). Many cars using the centrifugally-activated "slipper" clutch are now using a retention tube to collect the substantial amount of clutch dust that is produced during each race. The aforementioned recent practices, along with the longstanding requirement for a Kevlar-style retainer blanket over the supercharger, considerably reduce the potential for injury and fire, in addition to assuring a cleaner and safer racing surface, resulting in a dramatic reduction in race delays for track clean-up.

The rear tires of the car, which are called slicks due to the fact that there is no tread on them, are specified with safety considerations in mind. These tires are made from a much harder compound than in previous years so that the tire is resistant to disintegration. This also came about after the death of Russell. The tires are not allowed to be inflated under 7 pounds per square inch (48 kPa) for any race at any time.

All cars capable of attaining 150 miles per hour require braking parachutes. A safety requirement on all Drag cars running 9.99 and quicker in the 1/4 mile is the fireproof engine blanket that surrounds the engine block and contains debris in case of an engine explosion. NHRA rules call for a monetary, points, and time penalty if the car leaks oil during the run. During qualifying, the offending team loses its elapsed time and speed from the run; during a race, the penalty is loss of lane choice unless both teams in the ensuing race committed the violation.

In the wake of Eric Medlen's 2007 death, the roll bars in a Funny Car underwent modifications to further improve safety. They are padded with thick insulation and coated with several layers of Nomex to prevent the padding from catching fire during an engine explosion.

Another facility safety feature is the large sand pit at the end of the track past an area of the track known as the "shutdown area", also known as a "sand trap". This 40-foot-long (12 m) sand pit has been placed to slow or stop a car. In the wake of Scott Kalitta's death at Englishtown, NJ in 2008, the sand traps have been made longer and deeper, going from three feet deep to six feet deep and from 40 feet (12 m) long to 80 feet (24 m) long. Anchors for any arresting netting must be buried underground with no obstructing posts.

Some of the newest safety features deal with the tracks themselves. In the wake of Kalitta's death, there are now heavily padded retaining walls at the end of the sand traps. These walls are able to withstand the impact of a vehicle traveling at well over the usual speed of any division within the NHRA's professional categories. These retaining walls take the place of the old rubber polymer safety nets that were once held up with concrete posts.

Another safety modification was a direct result of Kalitta's death. The NHRA began installing a sensor that constantly checks the car's engine, and should the car backfire at any time during the race, or if the burst panel is blown out by an engine explosion, the fuel pump shuts off and the parachutes are deployed automatically. Although several drivers in the Top Fuel and Funny Car divisions have stated their dislike for the new sensor, they do admit that it should cut down on any fatal crashes similar to Kalitta's. This device was developed by Force, Kenny Bernstein, and Tony Schumacher, along with NHRA racing development, and NHRA track safety. It was implemented at the start of the 2009 season. The sensor is used only in the Funny Car and Top Fuel divisions. Pro Stock doesn't use nitromethane or superchargers in their engines and this presents a much-reduced risk of the massive explosions that can be seen in the nitromethane-fueled cars—and often at their peak speeds.

Prior to the late 1980s, fans could station themselves up to the guardrails so they could be closer to the action. However, in the wake of several rather dramatic accidents on track, where spectators have been injured or killed, fans are no longer allowed within 75 feet (23 m) of the guardrail.

One of the newest safety requirements came after a near-fatal crash at Texas Motorplex in Ennis, Texas, when John Force's car experienced a severe case of tire shake which, coupled with the release of his parachutes, ripped his car cleanly in two directly behind the engine. This frame failure exposed him to severe injury with no body or frame in front of his feet, as the severely damaged vehicle ground to a halt. The rules now prevent the use of hardened chrome moly tubing in the framework construction of any Top Fuel or Funny Car.

The track length for nitromethane-powered vehicles (funny cars and fuel dragsters) has been reduced to 1,000 feet (305 meters), to reduce the likelihood and severity of blower and engine explosions and fires at or above 200 miles per hour. All other classes continue to race a full 1320-foot quarter mile (402 meters) which has been the original distance established by the NHRA in the 1950s.

The 2010 season brought a new safety device to Top Fuel classes. Should the driver be rendered unable to perform the normal shutdown sequence at the conclusion of a run, a pair of redundant transmitters, placed 400 feet (120 m) and 600 feet (180 m) past the finish line, will signal an on-board receiver to automatically shut off ignition power and fuel to the engine and deploy the parachutes. The transmitters are designed and placed so as to avoid inadvertent triggering of the automated shutoffs.^[11] These transmitters and the receivers that are placed on all cars were designed by NHRA's Track Safety Committee and constructed by Electrimotion,^[12] and are a direct result of Kalitta's death.

• Wally Parks NHRA Motorsports Museum
• International Hot Rod Association
• National Electric Drag Racing Association
• United States Hot Rod Association
• Santa Ana Drags
• Pro Street