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Late model racing
Late model racing
	NASCAR Mexico Late Model
Category	Stock car racing
Country	United States, Canada, Mexico, Australia
Sanctioning Groups	International Motor Contest Association (IMCA); World Racing Group (World of Outlaws, DIRTcar); NASCAR; Championship Racing Association (ASA); Lucas Oil Late Model Dirt Series; American Canadian Tour (ACT); APC United Late Model Series

Late Model stock car racing, also known as late model racing and late models, refers to a type of auto racing that involves purpose-built cars simultaneously racing against each other primarily on oval tracks. This type of racing was early-on characterized by its participants' modification to the engines of post-World War II passenger cars, but the modern day understanding references a class that allows considerable modifications to both the engine and body, yet requires some form of front fender package.

Overview

As the post WWII auto industry began meeting demand for new cars, auto lots were filling up with the pre-war coupes and sedans. These 1939-1941 cars, "modified" with souped up engines, were finding their way to competitions at racing ovals converted from horse racing or newly carved out in fields. In 1948 NASCAR became one of the first organizations to standardize the rules to ensure equal competition.^[1]

The rulebook mandated that all cars had to be American made, and 1937 or newer, with full stock fenders, running boards and bodies if equipped by the factory, but their bumpers and mufflers had to be removed. Also, a car's wheelbase, length and width had to remain stock, as did the hood. ^[2] Two years later NASCAR added a division for "lesser modified" cars, which they distinguished as the Sportsman. Specifications for the Sportsman cars mirrored the Modified rules as to bodies and safety, but restricted the degree of engine modifications.^[3]^[4]^[5]

As NASCAR’s Grand National cars aged out (current model year and two most recent years only) they became eligible to compete in the Modified and Sportsman division.^[3]^[5] By 1956 NASCAR had developed a plan to phase out the pre-war coupes and sedans in favor "Late Models", identified as American cars produced between 1949 and 1955.^[6]

Looking to differentiate the Sportsman as a truly separate class, in 1968 NASCAR updated their rules to require 1955 and newer bodies, rebranding the class the Late Model Sportsman Series. NASCAR later reorganized the championship points and events into the touring series that became the Xfinity Series.^[5]^[7] Earlier car models remained eligible for the Modified division, which evolved to eliminate front fenders.^[8]

Since that time, the various sanctioning organizations have developed countless rule packages, but for the last half of century, the "Late Model" class distinction has had little to do with the model year of the car.^[9]

Designs

Bubba Pollard in 2019 in an asphalt super late model, a straight rail chassis car

In the late 1970s the costs for the Late Model Sportsman cars became excessive, so the "Late Model Stock Car" was born. Within a few years changes began with the carburetor, and by the mid-1980s the stock front chassis was replaced with a racing clip, for safety and availability. The Late Model that exists today is a full-blown race car with race parts.^[10]

Late model race cars now include super late models which have looser rules; late model stock cars and pro late models where cars are more aerodynamically aggressive with lighter bodies and enhanced horsepower; and limited late models which have less horsepower.^[9]^[11] Vehicles built to race on dirt tracks are significantly different from vehicles raced on asphalt.^[12]

Body style

The bodies on late models were constructed from fiberglass molded to resemble original equipment body panels and able to withstand the rigors of short track racing without the weight. The affordability and availability of sheet aluminum emboldened racers to switch to making their own bodies, as it was cheaper and faster. These individually customized bodies became extreme, and by the mid-1980s a number of dirt track promoters organized as United Midwestern Promoters, standardizing the dimensions for the body panels and requiring a prefabricated hi-impact plastic nose.^[13]

Similarly, the asphalt racers began experimenting with downforce bodies, and in 2002 a group of asphalt track promoters met with body manufacturers Aluminum Racing Products (ARP) and Five Star to develop a uniform "Approved Body Configuration". This resulted in the now widely accepted ABC Rulebook.^[14]

Chassis and suspension

There are two types of chassis for asphalt late models. The super late model chassis is offset to favor the left side of the car.^[11] Significant items such as the rear end and the engine are positioned on the left, while suspensions are constructed with maximum adjustability in mind. Other asphalt late models use a perimeter rail (symmetrical) chassis, similar to a production car, where there is equal chassis on both sides of the car.^[15]

Dirt late model chassis are custom built by manufacturers within standardized dimensions that apply across most classes.^[16] There are numerous adjustments on a dirt car compared to those on an asphalt car. Adjustments for dirt include weight changes, rear steer changes, spring changes (four corners and lift arm/pull bar), spring mounting position, J-bar height and angle, stagger, tire compound, and tread design.^[12]

Engines

Across the United States, the class of late model race cars may be referred to as super late models, late model stock cars, pro late models, or limited late models, yet the engine specifications may vary between sanctioning bodies. Open engines are typically American naturally aspirated V8s with upwards of 600 horsepower (450 kW). Otherwise, sanctioning bodies may require crate motors to be utilized which may limit production to 400 horsepower (300 kW) to 500 horsepower (370 kW).^[11] The sanctioning bodies often adopt GM 602, 603, and 604 engines or Harrington Enforcers.^[15]^[16]^[17]

Other racing series

Late model racing is a common steppingstone for drivers who race in regional and national touring series.^[9] Almost every NASCAR Cup Series driver raced in the class while progressing their career, and many crew chiefs have also developed through this level.^[18]

Late model-type cars are also prevalent as a form of cost-cutting in road racing. As many of these oval-track cars can be adjusted to become road race cars with weight balance changes, the SCCA has listed them in the GT America category, and with the affordability of a late model stock car in the category ($30,000 cars with specification engines, and frequently purchased used NASCAR wheels), these cars are prevalent in club racing. Similar rules are used in SCCA Trans-Am TA2 class racing, where the same chassis builders for super late models provide chassis for TA2.^[19]

Dirt track late model racing also takes place in Australia. The Australian Late Model Championship has been a feature on the Australian speedway calendar since 2002.^[20]

Late model cars can also be seen in simulators such as iRacing.^[21]

United States national touring series

Asphalt

American Canadian Tour
ASA Midwest Tour
American Speed Association
CRA Super Series
CARS Tour
Northwest Super Late Model Series
Pro All Stars Series
Southern Super Series
SRL Southwest Tour Series
United Auto Racing Alliance (UARA)

Dirt

Canadian touring series

Asphalt

CASCAR Super Series
APC United Late Model Series
Maritime Pro Stock Tour
Ontario Sportsman Series
Quebec Sportsman Series
Super Late Model Series (Atlantic Canada)^[22]

References

^ "NASCAR in 1948 – The 75 year edition". Speed Sport. February 3, 2023. Retrieved September 21, 2024.
^ "The first NASCAR rulebook". NASCAR Hall of Fame. Retrieved September 21, 2024.
^ ^a ^b "1956 NASCAR Sportsman Division Specifications". Official Souvenir Program. Langhorne Speedway. October 14, 1956. p. 18.
^ Wade, Bob (January 16, 1958). "Sports Beat". Daily Messenger. Canandaigua NY. p. 6. Retrieved September 22, 2024 – via NewspaperArchive.
^ ^a ^b ^c "The Busch Series dilemma". Archived from the original on December 1, 2006. Retrieved September 19, 2024.
^ "Late model hot-rodders will replace short tracks". NC: Winston-Salem Journal. December 20, 1956. p. 32. Retrieved September 22, 2024 – via Newspapers.com.
^ "Tracks, Series & Organizations - Catamount Speedway". Auto Racing Research Associates. Retrieved August 15, 2024.
^ Neveu, Cameron (July 21, 2022). "How the Pinto became NASCAR's regional weapon of choice". Hagerty Media. Retrieved September 24, 2024.
^ ^a ^b ^c Irimia, Silvian (December 17, 2022). "The Story of Late Models Racing: What Exactly Are These Crazy Cars?". autoevolution. Retrieved September 24, 2024.
^ Murto, Craig (March 19, 2019). "Origins: The Creation of Late Model Stock Origins: The Creation of Late Model Stock Cars". RACE22.com. Retrieved September 25, 2024.
^ ^a ^b ^c Blount, Robert (August 20, 2023). "What Types Of Cars Are Used In NASCAR Racing?". FloRacing. Retrieved September 24, 2024.
^ ^a ^b Bolles, Bob (February 2009). "Dirt Track Racing - Turning Asphalt To Dirt". Circle Track magazine. Retrieved September 25, 2024 – via Motor Trend.
^ Beaver, Dan (July 28, 2017). "Why Dirt Late Models Look That Way". FloRacing. Retrieved September 24, 2024.
^ Jewett, Larry (2004). "Stock Car Body Rules-Simple As ABC". Circle Track magazine. Retrieved September 26, 2024 – via Motor Trend.
^ ^a ^b Fenwick, Adam (February 11, 2022). "Late Models: Super Vs. Stock". Speed Sport. Retrieved September 25, 2024.
^ ^a ^b "What is a Dirt Late Model?". Master Gasser. November 20, 2023. Retrieved September 25, 2024.
^ Huneycutt, Jeff. "Crate Late Model Setup - Crates On Dirt". Retrieved January 3, 2015.
^ Schaefer, Paul. Where Stars Are Born: Celebrating 25 Years of NASCAR Weekly Racing. Coastal 181, Newburyport, Massachusetts, USA, 2006.
^ "SCCA GT America rules". nwr-scca.org.
^ "DIRT LATE MODEL". speedwayandroadracehistory.
^ "NASCAR Late Model Stock". iRacing.com.
^ "HOME". SLMS. Retrieved 2023-10-13.

[1] "NASCAR in 1948 – The 75 year edition". Speed Sport. February 3, 2023. Retrieved September 21, 2024.

[2] "The first NASCAR rulebook". NASCAR Hall of Fame. Retrieved September 21, 2024.

[EB1-3] "1956 NASCAR Sportsman Division Specifications". Official Souvenir Program. Langhorne Speedway. October 14, 1956. p. 18.

[4] Wade, Bob (January 16, 1958). "Sports Beat". Daily Messenger. Canandaigua NY. p. 6. Retrieved September 22, 2024 – via NewspaperArchive.

[TR1-5] "The Busch Series dilemma". Archived from the original on December 1, 2006. Retrieved September 19, 2024.

[6] "Late model hot-rodders will replace short tracks". NC: Winston-Salem Journal. December 20, 1956. p. 32. Retrieved September 22, 2024 – via Newspapers.com.

[7] "Tracks, Series & Organizations - Catamount Speedway". Auto Racing Research Associates. Retrieved August 15, 2024.

[8] Neveu, Cameron (July 21, 2022). "How the Pinto became NASCAR's regional weapon of choice". Hagerty Media. Retrieved September 24, 2024.

[AE1-9] Irimia, Silvian (December 17, 2022). "The Story of Late Models Racing: What Exactly Are These Crazy Cars?". autoevolution. Retrieved September 24, 2024.

[10] Murto, Craig (March 19, 2019). "Origins: The Creation of Late Model Stock Origins: The Creation of Late Model Stock Cars". RACE22.com. Retrieved September 25, 2024.

[FR1-11] Blount, Robert (August 20, 2023). "What Types Of Cars Are Used In NASCAR Racing?". FloRacing. Retrieved September 24, 2024.

[CT1-12] Bolles, Bob (February 2009). "Dirt Track Racing - Turning Asphalt To Dirt". Circle Track magazine. Retrieved September 25, 2024 – via Motor Trend.

[13] Beaver, Dan (July 28, 2017). "Why Dirt Late Models Look That Way". FloRacing. Retrieved September 24, 2024.

[14] Jewett, Larry (2004). "Stock Car Body Rules-Simple As ABC". Circle Track magazine. Retrieved September 26, 2024 – via Motor Trend.

[SS1-15] Fenwick, Adam (February 11, 2022). "Late Models: Super Vs. Stock". Speed Sport. Retrieved September 25, 2024.

[MG1-16] "What is a Dirt Late Model?". Master Gasser. November 20, 2023. Retrieved September 25, 2024.

[17] Huneycutt, Jeff. "Crate Late Model Setup - Crates On Dirt". Retrieved January 3, 2015.

[StarsBorn_Hearst-18] Schaefer, Paul. Where Stars Are Born: Celebrating 25 Years of NASCAR Weekly Racing. Coastal 181, Newburyport, Massachusetts, USA, 2006.

[19] "SCCA GT America rules". nwr-scca.org.

[20] "DIRT LATE MODEL". speedwayandroadracehistory.

[21] "NASCAR Late Model Stock". iRacing.com.

[22] "HOME". SLMS. Retrieved 2023-10-13.

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PROFILPELAJAR.COM

Late model

Overview

Designs

Body style

Chassis and suspension

Engines

Other racing series

United States national touring series

Asphalt

Dirt

Canadian touring series

Asphalt

See also

References

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