Dirt track racing is a form of motorsport held on clay or dirt surfaced banked oval racetracks. Dirt track racing started in the United States before World War I and became widespread during the 1920s and 1930s using both automobiles and motorcycles, spreading throughout Japan and often running on horse racing tracks. There are a myriad of types of race cars used, from open wheel Sprint cars and Modifieds to stock cars. While open wheel race cars are purpose-built racing vehicles, stock cars (also known as fendered cars) can be either purpose-built race cars or street vehicles that have been modified to varying degrees. There are hundreds of local and regional racetracks throughout the United States and also throughout Japan. The sport is also popular in Canada , Mexico , Argentina , Brazil , Chile , Australia , New Zealand , South Africa and the United Kingdom .
54-500: Borderline Speedway , is a dirt track racing venue in the Australian state of South Australia located in the locality of Glenburnie, South Australia about 8 kilometres (5.0 mi) east of the city of Mount Gambier . Racing at the speedway generally takes place between November and May. Borderline Speedway was opened on 23 February 1957 with stock car racing supported by local motorbike races. The South East Racing Car Club took over
108-761: A demolition derby pit, or a tractor pull straightaway. Mark Loram Mark Roysten Gregory Loram (born 12 January 1971) is a British former motorcycle speedway rider, who won the World Speedway Championship in 2000 and won the British Championship in 1997, 1999, and 2001. He earned 36 international caps for the England national speedway team and 10 caps for the Great Britain team. Born in Mtarfa , Malta , Mark Loram started his career with
162-420: A National and/or Regional touring racing association to schedule a sanctioned event. The racers in these events earn points for ranking within the series and sometimes the tracks points. The associations also usually require a guaranteed purse from the tracks of sanctioned events. Some tracks also have a "run-what-you-brung" contest usually toward the beginning of the season. Spectator racing pits two drivers from
216-424: A decade and all tracks paved over eventually reverted to their former surfaces. Each racetrack or sponsoring organization maintains a rule book outlining each class of race car which includes dimensions, engine size, equipment requirements and prohibitions. The requirements for each class are usually coordinated with multiple tracks to allow for the widest available venue for each type of car. This coordination allows
270-840: A few original stock parts and may be nearly as fast as late model race cars. Most cars have their glass windshields removed and their interiors stripped out. The original seat may be allowed to be used in the lowest classes, but a racing seat and roll cage is required to be installed in higher divisions. Other safety and performance features are added to higher division cars. The engines in lower divisions are completely stock, and higher divisions are highly modified and enhanced. Most modified production cars use full exhaust systems. Engines vary from unmodified 4 cylinders to highly modified V8. Cars in lower divisions use stock tires, and higher division cars use purpose-built specified racing tires. Common names of modified production car divisions: These are Full-bodied cars with very few changes allowed from
324-692: A late model stock. Crate late models use Chevrolet small-block engine engines that have been sealed with a special tag. Typical motors include the GM 602 and GM 604 engines. Recently the GM CT525 crate has been a popular choice of racers and some after-market Ford motors have surfaced in competition. Crate engines are sealed at the intake manifold, cylinder head , front cover, and oil pan with special twist off bolts. Crate engines must not be altered, modified, or changed in any way from factory specifications. Crate late models have three primarily Southern region touring series:
378-401: A moist, properly prepared clay oval their favorite dirt racing surface. Preparing a dirt track correctly for racing is both a traditional learned craft as well as a long and complex job requiring hours of work. Typical machines used in track preparation include a grader, a cultivator or rototiller, 2 types of rollers and a watering truck, although the process varies at different dirt tracks around
432-426: A number of classes, and many tracks offer both open wheel and stock car racing. There are a wide variety of event formats. These races are 2-5 laps for drivers to get an understanding of the track conditions and the set up of their race cars. They are at the very start of the night before qualifying and the heat races. A qualifying session happens before the start of the event. The Lucas Oil Dirt Late Model Series and
486-437: A set number of points for where they finish, 1st-59 2nd-57 and so forth the lower they finish. To add to the points the driver gets for finishing, the driver also gets 1.5 points for each car they pass. They will then usually take the top 16 drivers with the highest total number of points and line up the A feature. There may be a semi-feature where unqualified racers may race their way into the remaining open starting positions in
540-537: A third British Speedway Championship in 2001 and won the Knockout Cup with Peterborough Panthers during the 2001 Elite League speedway season . He won another Knockout Cup with Eastbourne Eagles the following year. After two seasons with Eastbourne he joined the Arena Essex Hammers for 2004 and 2005 seasons. In March 2007, Loram broke his thigh and dislocated his arm whilst riding in the opening fixture of
594-510: A third in Britain in Round 4 gave him enough points to secure his first and only world title. Loram scored 102 points over the six rounds to defeat 1996 champion Billy Hamill on 95 and defending champion Tony Rickardsson on 94. Loram's win saw him become the 7th British rider to win speedway's ultimate individual prize. He would remain a Grand Prix rider until the end of the 2004 season. Loram won
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#1732854995554648-736: Is also a regular venue for the National Super Sedan Series as well as the Sidecar Grand Slam series. Prior to the series demise in 2000, Borderline also hosted rounds of David Tapp's Australian Speedway Masters Series which saw some of Australia's best Solo riders such as Jason Crump , Leigh Adams , Craig Boyce and Ryan Sullivan take on the world's best including World Champions Sam Ermolenko , Billy Hamill and Greg Hancock (USA), Tony Rickardsson ( Sweden ), Mark Loram , Simon Wigg and Kelvin Tatum ( England ). Since hosting
702-555: Is being run. The racetrack dictates what type of late model is raced, but most fall into one of these categories: Current dirt super late models feature steel constructed tube frame chassis with aluminum bodies that give them the sleek aerodynamic appearance of a stock race car but there is nothing stock about these 2300 pound machines. The cars are powered by an 850 horsepower (630 kW) motor than can turn in excess of 9,000 rpm. The engines are based on V-8 Chevrolet, Chrysler, and Ford power plants. These cars are considered to be
756-429: Is held for each division. The top cars from the event compete in the race. The starting positions may be determined by the season's point standings, or by a combination of the heat/qualifying speed/trophy dash/semi-feature finishing positions. It is usually the longest race in the program and depending upon the division it may range from 10 laps to 50 laps. Points, a trophy, and frequently a purse are generally awarded, with
810-879: Is much more expensive. To get the frame (chassis) and parts all new without the transmission and motor is around 20,000 to 30,000 dollars depending on the quality and from which manufacturer the chassis comes. The top manufacturers around the country include Rocket, Sweet-Bloomquist, Club 29, Longhorn, MB Customs, Black Diamond Racecars, GRT, Warrior, Barry Wright Racecars, Rayburn, MasterSbilt, Kryptonite, Domination chassis, and Schwartz Race Cars. The engines for these cars are around 850 horsepower and can cost up to 40,000 dollars. Motor builders include Hatfield Racing, Jay Dickens Racing Engines, Durham Racing Engines, Cornett Racing Engines, Sheered Engine Development, Gaerte Racing Engines, Clements Racing Engines, Custom Racing Engines, Vic Hill Racing Engines and Pro Power Engines. Most racing series and special events offer different motor options with
864-498: Is repeated as necessary according to climate, location and soil composition. Using offset boom nozzles to on water trucks will avoid mashing aerated soil. A dirt track should be rolled and watered as required on race morning with a final light watering, just prior to wheel-packing. Outdoor dirt tracks are typically aerated 12" deep. Nearly all tracks are oval and less than 1-mile (1.6 km) in length with most being 1 ⁄ 2 mile (800 m) or less. The most common increments in
918-638: The 1995 Speedway Grand Prix (the new version of the World Championship). In 1997, he became British champion, won the Danish Grand Prix in Vojens and won the league title with Bradford Dukes . After a season with Wolverhampton Wolves in 1998, he joined Poole Pirates . In 1999, Loram became the first rider in Speedway Grand Prix history to win a GP whilst being entered as a wild card and won
972-596: The Hackney Kestrels during the 1987 British League season . He averaged a respectable 5.08 and retained his place in the Hackney side for the 1988 National League season , where he not only topped the league averages but also led hackney to the league and cup double. he also became the British junior champion. He signed for Ipswich Witches for the 1989 National League season and won his first individual honours by winning
1026-514: The Riders' Championship . He also reached the final of the Under 21 World Championship . The following season he stepped up to the highest league after joining King's Lynn Stars for the 1990 British League season . Despite the team finishing last he topped the club averages for the season, reached his British Speedway Championship and competed in the 1990 Individual Long Track World Championship . For
1080-715: The Swedish Grand Prix in Linköping . He also became British champion for the second time. Loram became the Speedway World Champion in 2000 despite not winning any of the Grand Prix meetings held that year, the only rider to ever do so. However he was the only rider to reach the semi-finals in all six meetings which along with runner-up placings in the opening two rounds in the Czech Republic and Sweden as well as
1134-529: The 1920s and 1930s. Most oval track speedways are similar to those in the US for car racing such as sprint cars , speedcars (midgets) and sedans, with most tracks generally around 1 ⁄ 4 to 1 ⁄ 3 mile (400 to 540 m) in length. Most tracks have a clay surface, though some use dolomite , dolomite and clay mix or even sand and clay mix. During the 1970s and early 1980s, a small number of tracks were paved with asphalt, though this phase only lasted about
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#17328549955541188-425: The A feature event. This race is called the last chance qualifier or B feature. The cars who did not make the A feature through the heat race or qualifying session get one more chance to qualify for the A feature through the B feature. The B length is anywhere up to circa 20 laps. Depending on how many B's there are determines how many transfer to the A, anywhere up to circa 6 will transfer. If a driver transfers through
1242-418: The B, they will start behind the drivers who made it through the heats / qualifying position. At selected other races with a larger car count, there may be more "alphabet soup" features (C, D, E, F, etc.). In those cases the drivers in the lower feature race will race with a certain number who advances to the next higher feature (e.g. top two in the F advance to the E, etc.). The A feature or main feature race
1296-649: The Durrence Layne Dirt Late Model Series, the United Crate Racing Alliance and the Fastrak Crate Late Model Series. There are hundreds of additional unsanctioned regional and national special events run throughout the year. Dirt and grass track bikes have capacities of 250, 350, 500 and in the solo classes and can reach speeds of up to 80 mph (130 km/h) on the straights and with no brakes fitted to
1350-455: The U.S. are 1 ⁄ 2 mile (800 m), 3 ⁄ 8 mile (600 m), 1 ⁄ 3 mile (540 m), 1 ⁄ 4 mile (400 m), and 1 ⁄ 8 mile (200 m). With the longer tracks, the race cars achieve higher speeds up to 160 mph (260 km/h) and the intervals between cars increase. This decreases the chance of crashes but increases the damage and chance of injury when cars do crash. In Great Britain
1404-512: The World of Outlaw Late Models use the qualifying system to line up their heat races. They give each driver 2 timed laps to get their times. This system is also used to line up the big crown jewel events. For most of the regional series they use the method called the "pill draw." Before the races each driver draws a number and that determines where they start in their heat race. Recently the innovation of Transponder Scoring has brought dirt track racing into
1458-422: The amount of each is determined by finishing position. The winner of the feature event is considered the winner of the event. Many tracks have special events which tends to draw a larger crowd. Occasionally, a track will sponsor a "powder-puff" race to allow women the opportunity to drive racecars for a few laps of racing. Otherwise, woman racers may compete in the same events as the men. Many tracks contract with
1512-583: The best sprintcar drivers from Australia and the United States . In 2007, Borderline Speedway celebrated its 50th year of continuous operation. Borderline is also a regular stop for the World Series Sprintcars , and is run as the 3rd meeting of "Speedweek" during the series following Speedway City in Adelaide, Murray Bridge Speedway , and followed by Avalon Raceway and Premier Speedway. The speedway
1566-659: The class, the cars may have wings to aid in handling at higher speeds. Open wheel cars are generally manufactured with tubular frames and a body purchased for that particular class. The wheels of these vehicles are not protected by fenders; they are exposed or "open". Classes include: Open wheel sanctioning bodies include: Popular chassis manufacturers around the country for winged sprint cars are Eagle, Maxim, J&J, Triple X, and GF1. There are also several engine builders that build both 410ci and 360ci engines for traveling sprint car teams. Speedway, Kistler, Gaerte, Wesmar, Shaver, Don Ott Racing Engines, and Fisher Racing Engines are
1620-621: The driver and passenger working together to obtain the best grip and speed around the corners. Many obsolete race vehicles that were left in barns to rust are being restored to their former glory. The restored race vehicles are being displayed at car shows and sometimes raced. Cars that compete in vintage racing events are from the late 19th century to historic cars from a few years ago. There are more than 170 racing events in North America, and thousands of other vintage events sanctioned by hundreds of clubs. The typical race program usually involves
1674-475: The drivers to compete at many different racetracks, increase competitors' chances of winning, and lets racing associations develop a series of race events that promote fan interest. Many tracks support two types of racing in their programs, open wheel cars and stock cars. Both types range from large and powerful V8 engines to small yet still powerful, four-cylinder engines. Some of the smaller open wheel race cars have classes for single-cylinder engines. Depending on
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1728-459: The drivers. Super Stock cars are very similar to Late Models and can be built from the ground up by the racers. They have limited engines and other restricted items that keep them from being full blown Late Models, but they are much more powerful than the Street Stocks and are an intermediate class between Street Stock, Modifieds and Late Models. The bodies are aftermarket or made by the racers in
1782-807: The event saw the introduction of the Kings Challenge which has become an annual event on the Australian calendar since 1995. Traditionally run on the Friday night before the Grand Annual Sprintcar Classic in Warrnambool, the $ 10,000 to win event was moved to the Thursday night to accommodate the Classic's move to a 3-day event in 2014. With the Kings Challenge running prior to the Classic, the event attracts
1836-492: The factory except for the roll cage. These would also be considered Pure Stock, but not full sized. These are also Full-bodied cars but can have changes to the frame, engines, tires and some changes to the suspension. They have to have bodies shaped like the actual cars that are used on the street direct from the factory. As with the Pure Stocks cars, all are required to have a full set of Roll Cages and safety harnesses to protect
1890-454: The factory models sold for general use on the streets. Changes can be limited to a certain type of tire, making some parts of the car stronger to withstand the punishment of racing and so forth. All cars used on the race track are required to have a full set of Roll Cages and safety harnesses to protect the drivers. Some tracks have what they call Hornets which are smaller unibody cars with 4-cylinder engines, that must be pretty much as they left
1944-409: The feature event. In a race where they qualify to determine their starting position for the heat race they use a "heads up" system. This system is where there is a predetermined set of cars that go to the A feature from the heat race, usually either the top 3 or 4. In a race where they use the pill draw to line up the heat races they use a method called passing points. In this system a driver receives
1998-496: The general shape of the brand being represented (Chevrolet, Ford, Dodge, etc.). These cars are automobiles just as driven on the street; including the original interiors. The engines may be modified as allowed under different rules: Saloon These are stock cars custom built for racing, usually with welded tubular frames and custom built or purchased bodies. The most popular type of dirt full-bodied stock cars are late models. They are categorized depending on what track and series that
2052-456: The internet immediate post "live" scoring and timing of events (Race Monitor). Preliminary races for each class, called heat races, frequently open the schedule. The heat races may determine the starting race position in the main events and usually earn season championship points. The heat races are shorter than the feature races, and not as many cars race in each heat, from 8 to 12 laps for a heat race. There are numerous formats for qualifying for
2106-495: The machine. The American Grand National dirt track championship uses motorcycles of up to 750 cc capacities and can reach speeds of up to 130 mph (210 km/h). There are three sidecar classes. The continental class has a 500 cc single-cylinder engine, also in Great Britain there are left- and right-handed sidecar machines with the engines up to 1000 cc. Sidecar races are some of the most exciting in Grass Track sport, with
2160-425: The major automakers with certain modifications as allowed for each class. There are several general types: These cars are modified manufactured automobiles. There is a high degree of variability between classes of modified cars. The lowest divisions of modified production cars may be completely stock except for having their interior or windshields removed. The highest divisions of modified production cars may have only
2214-723: The more popular engine builders. Modified cars are a hybrid of open wheel cars and stock cars. This class of car has the racing characteristics of a stock car. The rear wheels are covered by fenders, but the front wheels are left exposed. There are sanctioning bodies that control the rules for this class at most tracks. Each sanctioning body has their own set of guidelines provided in an annual rule book and their own registration fees. Sanctioning bodies include: Full-bodied cars, sometimes referred to as stock cars, are vehicles that, unlike open-wheel cars, have fenders covering all wheels. Full-bodied cars can vary from full tube frame chassis and aluminum bodied late models to automobiles manufactured by
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2268-418: The most sophisticated cars in dirt racing. They hit speeds well over 100 mph (160 km/h) and slide around the dirt corners. They are raced on dirt tracks throughout the country anywhere from 1/5 to one mile. The expense for these cars is significant. The cost for one complete race-ready late model is around $ 70,000. There is also cheaper equipment and parts that can be purchased, but staying competitive
2322-623: The national sprintcar title in 1995, Borderline has also hosted the Australian Super Sedan Championship , Australian Street Stock Championship , Australian Modified Production Car Championship, Australian Late Model Championship , and in 2007 hosted the 5th and final round of the Australian Solo Championship . The event (and the championship) was won by Australia's reigning Speedway World Champion Jason Crump. Length - 372 metres (407 yards), 1 metre out from
2376-448: The next three seasons ( 1991 , 1992 and 1993 ) he rode for King's Lynn as a heat leader and reached a second World U21 final in 1992, losing to Leigh Adams in a run-off for the title. By 1994 he was competing with the world's best riders and reached the final of the 1994 Individual Speedway World Championship , where he finished in 8th place. The following season in 1995 he moved to Exeter Falcons from King's Lynn and took part in
2430-473: The oval tracks are normally on grass with lengths of 400 meters (¼ mile) to 800 meters (½ mile). The races consist of several four lap qualifying heats that eliminate slower drivers. Then there is a final race featuring the fastest competitors. In mainland Europe, long tracks can be grass, sand or cinder, and can be up to 1-kilometer (0.62 mi) long. Dirt track racing in Australia has a history dating back to
2484-604: The pole line Width - 15 metres Banking - 1.4 metres Surface - Clay Safety Fence - 1.2 metre concrete wall with 1.5 metre high weld-mesh topped with 1.6 metre chain mesh above with 1 metre at 45 degree angle to infield with cable attached Spectator Fence - 2.4 metres high cyclone mesh - 3.6 metres beyond catch fence Noise Level - 95dba. Effective mufflers are enforced. as of 26 December 2015 (4 laps clutch start) Dirt track racing A dirt track's racing surface may be composed of any soil, although most seasoned dirt racers probably consider
2538-485: The promotion of the speedway in 1961 and six years later production car racing was introduced as were the Super Modifieds (later known as Sprintcars ). The speedway received its first safety fence in 1970 and the light towers were replaced with a single light tower on the infield. To improve lighting, this was soon joined by a second infield light tower. The old Super Modifieds were phased out and Sprintcars first hit
2592-815: The speedway were completed by December 1987. From 1980, Borderline has been the South Australian venue for the Easter Sprintcar Trail (the other tracks used generally being Victorian tracks Premier Speedway in Warrnambool and the Avalon Raceway in Lara ) with some of the biggest names in Australian sprintcar racing taking part including multiple Australian champions Garry Rush, George and Brooke Tatnell ( NSW ), Max Dumesny and Brett Lacey (Vic), as well as Mount Gambier's own Bill Barrows (the current president of
2646-547: The speedway), David Veal and Steven Lines. Borderline Speedway was awarded the Australian Sprintcar Championship in 1995, the first time the title had been held in South Australia outside of the state capital Adelaide . The event was a huge success with a crowd of just on 7,500 witnessing Sydney's Garry Brazier retaining his national crown from Brooke Tatnell and 10-time champion Garry Rush. The success of
2700-468: The stands who, after signing waivers, can run their personal automobiles against each other in a one-on-one 1 or 2 lap shootout. Dirt tracks tend to be somewhat more makeshift and more versatile than asphalt pavements, and can be converted for use in other motorsports. For instance, Little Valley Speedway in Little Valley, New York is a half-mile dirt track that can be converted into a figure 8 track ,
2754-537: The track in 1977. The next improvement to the speedway came during the mid-1980s when clay was added to the 372 metres (407 yards) track affectionately known as "The Bullring". This unfortunately saw the end of Motorcycle speedway and Sidecar speedway as a regular on the program at Borderline, but two new categories were introduced, the Formula 500's and Street Stocks . The pit area was expanded in 1985 to accommodate extra vehicles and over $ 100,000 worth of improvements to
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#17328549955542808-426: The use of different total vehicle weights to create an even playing field: Limited late models and late model stocks have the same body rules as super late models. The main difference in the two classes is the motor rules. Engine limitations typically include maximum engine displacement size, certain required cylinder head angles, maximum compression ratios, and maximum carburetor size. Suspension rules typically forbid
2862-519: The use of expensive canister shocks. Tire choice is also typically limited to a certain tire such as the Hoosier D55 spec tire. Late model stocks have the same body rules as super late models and limited late models. This class typically has even more limited engine rules. Typical late model stock engine requirements: Many different tracks and sanctioning bodies have variations on these rules of what constitutes an open late model, limited late model and
2916-403: The world. After an event, a track's rutted surface is first graded and smoothed back into the contours of the track's layout. then further smooth and tamp loose soil shoveled into any soft spots. The freshly smoothed track surface is then aerated with a cultivator or rototiller to loosen the now-compacted upper layer and assist with greater water penetration for a moister track on race day. Watering
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