American Iron racing features domestic muscle or pony cars such as Ford Mustang, Chevrolet Camaro, and Pontiac Firebird in four classes, Camaro Mustang Challenge (CMC & CMC-II),American Iron (AI), and American Iron Extreme (AIX). It has large, closely contested fields of V8 powered cars.
The different classes reflect various levels of permitted modifications, from the near showroom stock entry level Camaro Mustang Challenge (CMC) class, through to the "almost anything goes" American Iron Extreme (AIX) class at the opposite end of the scale. CMC, CMC-II, and AI classes have a power to weight limitation, while AIX is unrestricted.
The minimum weight for an American Iron race car is 2,700 pounds with driver included. The AI class has a maximum power-to-weight ratio of 9.5:1 (9.5lbs of vehicle weight per horsepower) and a maximum torque to weight ratio of 9:1 (9 pounds of vehicle weight per each foot-pound). Both are measured at the rear wheels. These formulas are designed to allow differences in vehicle handling and power while equalizing the competition and keeping race team budgets low by penalizing excessive power.
American Iron races are run at all NASA regional events, as well as the annual National Championships currently held each year in September at Miller Motorsports Park in Tooele, Utah. Previously, the championships were held at Mid-Ohio Sports Car Course.
Touring car racing is a motorsport road racing competition with heavily modified road-going cars. It has both similarities to and significant differences from stock car racing, which is popular in the United States.
The NASCAR Xfinity Series (NXS) is a stock car racing series organized by NASCAR. It is promoted as NASCAR's second-tier circuit to the organization's top level Cup Series. NXS events are frequently held as a support race on the day prior to a Cup Series event scheduled for that weekend.
The Chevrolet Camaro is a mid-size American automobile manufactured by Chevrolet, classified as a pony car. It first went on sale on September 29, 1966, for the 1967 model year and was designed to compete with the Ford Mustang. The Camaro shared its platform and major components with the Firebird, produced by General Motors' Pontiac division that was also introduced for 1967.
Pony car is an American car classification for affordable, compact, highly styled coupés or convertibles with a "sporty" or performance-oriented image. Common characteristics include rear-wheel drive, a long hood, a short decklid, a wide range of options to individualize each car and use of mass-produced parts shared with other models.
The Trans-Am Series presented by Pirelli is a sports car racing series held in North America. Founded in 1966, it is sanctioned by the Sports Car Club of America (SCCA). Primarily based in the United States, the series competes on a variety of track types including road courses and street circuits. Trans-Am is split into the TA and TA2 classes for silhouette racing cars, while its production classes are the GT, SGT, and XGT.
Grand-Am Road Racing or Grand-Am was an auto racing sanctioning body that was established in 1999 to organize road racing competitions in North America. Its primary focus was the Rolex Sports Car Series, an endurance racing championship series. It sanctioned five auto racing series. The series announced in September 2012 that it would be merging with the American Le Mans Series, which had been Grand-Am's main US competitor since its inception. The two series fully merged in 2014 under the banner of the TUDOR United SportsCar Championship, with the International Motor Sports Association.
The GT World Challenge America is a North American auto racing series launched in 1990 by the Sports Car Club of America. It has been managed by the Stephane Ratel Organisation since 2018, and has been sanctioned by the United States Auto Club since 2017.
Pro stock is a class of drag racing featuring "factory hot rods". The class is often described as "all motor", due to the cars not using any form of forced induction such as turbocharging or supercharging, or other enhancements, like nitrous oxide, along with regulations governing the modifications allowed to the engines and the types of bodies used.
Specialty Equipment Market Association (SEMA) of the automobile aftermarket was formed in 1963 by Roy Richter, Ed Iskenderian, Els Lohn, Willie Garner, Bob Hedman, Robert E. Wyman, John Bartlett, Phil Weiand Jr, Al Segal, Dean Moon, and Vic Edelbrock Jr. and now consists of 6,383 companies worldwide, bringing together aftermarket manufacturers, original equipment manufacturers (OEM), media, car dealers, specialty equipment distributors, installers, retailers, and restoration specialists.
The National Auto Sport Association (NASA) is an American motorsports organization promoting road racing and high-performance driver education.
Spec E30 is a class of racing cars used in National Auto Sport Association (NASA) road racing events.
The Mustang Boss 302 is a high-performance variant of the Ford Mustang originally produced by Ford in 1969 and 1970, alongside its more powerful sibling the Boss 429 Mustang. Ford revived the name for another two year production run in 2012 and 2013. It was produced for the Trans Am racing series.
Pro Modified, also known as Pro Mod, is a class or division in the sport of drag racing used in the NHRA and FIA (quarter-mile) and the Professional Drag Racers Association (PDRA) (eighth-mile). It is similar to the Top Doorslammer class as defined by the ANDRA.
Aussie Racing Cars (ARC) is an Australian motor racing category. ARC is a motorcycle powered silhouette racing car class created by former touring car racer Phil Ward and influenced by the American Legends category. Aussie Racing Cars was developed as a Major National Category supporting the V8 Supercars under an exclusive Category Management Agreement (CMA) with the Confederation of Australian Motorsport (CAMS).
Seekonk Speedway is a family entertainment venue that features racing of all kinds on a semi-banked 1/3 mile asphalt-paved oval, located on U.S. Route 6 in Seekonk, Massachusetts.
Chevrolet Performance, formerly GM Performance Parts, is an automotive performance parts brand that sells everything from camshafts and cylinder heads to high-performance crate engines and upgrades for late-model vehicles. It was founded in 1967 to support the Trans-Am Camaro race teams. Chevrolet Performance was formed as a way to support all the various Trans Am teams across the United States, but the brand saw enough demand to start selling high-performance parts to the general public. Today, Chevrolet Performance not only sells performance parts, but also helps develop Chevrolet’s high-performance vehicles and supports teams in nearly every form of automotive racing.
Factory Five Racing, Inc. (F.F.R.) is an American automobile company that designs and manufactures assembly kits, chassis, bodies and related components for replicars and sports cars.
In relation to Australian motorsport, Group C refers to either of two sets of regulations devised by the Confederation of Australian Motor Sport (CAMS) for use in Australian Touring Car Racing from 1965 to 1984. These are not to be confused with the FIA's Group C sports car regulations, used from 1982 to 1992 for the World Endurance Championship / World Sports-Prototype Championship / World Sportscar Championship and the 24 Hours of Le Mans.
The 2017 NASCAR Xfinity Series was the 36th season of the NASCAR Xfinity Series, the second-tier professional stock car racing series sanctioned by NASCAR in the United States. The season began with the PowerShares QQQ 300 at Daytona International Speedway and ended with the Ford EcoBoost 300 at Homestead-Miami Speedway. Daniel Suárez was the defending drivers' champion while Toyota was the defending manufacturer's champion, although Suárez couldn't defend his title due to him racing in the Monster Energy NASCAR Cup Series.
The 2023 Supercars Championship is an ongoing motor racing series for Supercars.
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