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[[Image:ISMA Supermodified9.jpg|thumb|right|An ISMA SuperModifiedsupermodified. Note the extreme weight offset to the driver's side, and the engine mounted outside of the central frame rails.|300x300px]]
'''Supermodifieds''' are a class of [[Open -wheel car|open wheel]] race car that compete on paved [[Short track motor racing|short tracks]] throughout the [[United States|United States of America]] and [[Canada]]. The class was founded in the 1950s and is especially popular in the [[Western states,United theStates|Western]], [[Northeastern United States|Northeast]], and [[Great Lakes region (North America)|Great Lakes]] regions.
 
==Design==
SupermodifiedsThe areframe of a supermodified is generally constructed from aircraft-quality {{Convert|0.095|in|mm|adj=on}} thick [[chromium]]-[[molybdenum]] ("[[chromoly]]") frame tubing with steel and aluminum components., and Thethe bodiesbody areis fabricated from [[fiberglass]] and aluminum. The cars are powered by American fuel-injected [[V8 engine|V8 engines]] that run on [[methanol fuel]] and can produce in excess of {{Convert|800 horsepower|hp|kW|abbr=unit}}. At a weight of around 1{{Convert|1850|lb|kg}},850 pounds the cars achieve an enormous [[power-to-weight ratio]].<ref name="hotrod.com">{{cite web|url=http://www.hotrod.com/cars/featured/ctrp-0611-supermodified-racing/|title=Supermodified Racing Cars & Racing League History - Circle Track Racing Magazine|date=1 October 2006}}</ref> Big block V8 engines are also sanctioned and are primarily raced on the west coast, with nearly all competitors choose to run aluminum small blocks ranging from 410 to 430 cu. in., whereas the cars of the east run the mandatory cast iron big block with aluminum heads bored to the allowable maximum displacement of 468 cu. in. Cars in the midwest can run small blocks up to 412 cu. in. or big blocks up to 481 cu. in.<ref name="hotrod.com"/>
 
Nearly all competitors on the [[West Coast of the United States|West Coast]] choose to run aluminum small blocks ranging from {{Convert|410 to 430|cuin|L|1}}, whereas [[East Coast of the United States|East Coast]] cars run mandatory cast-iron big blocks with aluminum [[Cylinder head|heads]] bored to the allowable maximum displacement of {{Convert|468|cuin|L|1|abbr=unit}}. Cars in the [[Midwestern United States|Midwest]] can run small blocks up to {{Convert|412|cuin|L|1|abbr=unit}} or big blocks up to {{Convert|481|cuin|L|1|abbr=unit}}.<ref name="hotrod.com" /> Separate classes of supermodifieds utilizing small block {{Convert|350|cuin|L|1|abbr=unit}} engines also run on the East Coast (e.g. at [[Oswego Speedway]]).
Modern era supermodifieds run a radical offset chassis that is up to 18 in. to the left of center. The engine and driveline components themselves are mounted in a specially-fabricated area placed outside the left side frame rails. The engine is thus a stressed member of the chassis. This allows weight distribution to favor the left side (often as much as 70%) and thereby aid cornering around the left-hand turns of an oval track. The giant wings, (generally {{convert|24|sqft|m2|abbr=on}}' max), mounted on the roll cage of the cars bear a resemblance to those found on [[Sprint car racing|sprint cars]] and serve a similar purpose, designed to produce down force and allow them to make tight turns at high speed. The west coast style cars of ERA and SMRA run a fixed wing, whereas the cars of the east generally run a wing mounted to the suspension or chassis by pneumatic struts. The racing slick tires used on a supermodified are among the widest used in pavement oval racing.
 
Modern era big-block supermodifieds runuse a radicalradically offset chassis that is up to {{Convert|18 |in.|mm}} to the left of center. The engine and driveline[[drivetrain]] components themselves are mounted in a specially-fabricated area placed outside the left side frame rails. The engine is thus a [[Stressed member engine|stressed member]] of the chassis. This allows weight distribution to favor the left side (often by as much as 70%) and thereby aid cornering around the left-hand turns of an [[Oval track racing|oval track]]. The giant [[Spoiler (car)|wings]], (generally a maximum of {{convert|24|sqft|m2|abbr=on}}' max)in area, are mounted on the rollframe cage of the cars bearin a resemblancemanner to those found onresembling [[Sprint car racing|sprint cars]] and serve a similar purpose, designed to produce down force[[downforce]] and allowthus themincrease to makecornering tight turnscapabilities at high speed. West TheCoast west coast style(ERA/SMRA) cars of ERA and SMRA run a fixed wing, whereas theEast carsCoast of(ISMA/MSS) the eastcars generally run a wing mounted to the suspension or chassis by pneumatic struts. The [[racing slick]] tires used on a supermodifiedsupermodifieds are among the widest used in pavement oval racing.
Like sprint cars, supermodifieds do not have starters, batteries, or transmissions and are push-started.
 
Like sprint cars, supermodifieds do not have [[Starter (engine)|starters]], [[Automotive battery|batteries]], or [[Transmission (mechanical device)|transmissions]], and are push-started.
The combination of high power, light weight, and high cornering ability allow supermodifieds to average over {{Convert|120|mi/h|km/h}} on a 1/2-mile oval and {{Convert|150|mi/h|km/h|abbr=on}} on a {{convert|1|mi|km|adj=on}} oval, with top speeds over {{Convert|190|mi/h|km/h|abbr=on}}.
 
The combination of high power, light weight, and high cornering ability allowallows supermodifieds to average over {{Convert|120|mi/h|km/h|abbr=on}} on a 1/2-mile oval and {{Convert|150|mi/h|km/h|abbr=on}} on a {{convert|1|mi|km|adj=on}} oval, with top speeds over {{Convert|190|mi/h|km/h|abbr=on}}.
 
==Sanctioning bodies==
 
===ISMA===
The largest of the four major sanctioning bodies is the [[Liverpool, New York]]-based [[International Supermodified Association]] (ISMA)., Foundedfounded in 1974 by multi-time [[Oswego Speedway]] champions Jim Shampine and Nolan Swift to ensure the future of supermodified racing. With the help of local businessman, Tom Heveron, they formed ISMA as a forum for owners and drivers to express their ideas and opinions as they felt that they were not allowed to do so under theOswego Speedway management. Their goals were to upgrade supermodified racing with better safety conditions, hold more events per season to insure sufficient [[Prize money|purses]], and aid drivers with race-related issues. The association worked with track management in making decisions and in discussing ways of Oswegoimprovement. SpeedwayThe club encouraged new drivers and owners, involved other tracks in supermodified racing, and helped to make the division stronger and more well known to a wider audience.
 
Tom Heveron asAs president, Heveron, with the help of Vice President, Jim Shampine and Secretary/Treasurer Fred Graves, led ISMA through its developmental stages. ISMA negotiated with Lancaster National Speedway for a 40 -lap race held on July 3, 1974, which Todd Gibson of [[Richwood, OHOhio]] won. The following year, ISMA booked races at [[Fulton Speedway]] with a $5,000 purse and $1,000 to win.
The goals were to upgrade supermodified racing with better safety conditions, more events per season to insure sufficient purses and to aid drivers with their race related problems. The association worked with track managements in making decisions and in discussing ways of improvement. The club encouraged new drivers and owners interested other tracks in supermodified racing and helped to make the division stronger and more well known to a wider audience.
 
Starting in 1976, ISMA developed a point fund with tracks contributing $500– $1,000 per race to this fund. Unlike most other point systems, ISMA awards points to the car owners, as ISMA is an owners' club rather than a drivers' club. Joining the Heveron, Shampine, and Graves team, Shirley Letcher took over theassumed responsibility for the point system. In just three seasons, ISMA had accomplished sanctioning over $96,000 in purse money and races, adding a point fund of $4,400 paid by promoters, having tow money at all of the ISMA sanctioned races, having insurance certificates from each promoter on file, and working with other promoters for more races in 1977. With races at Fulton (NY)Speedway, [[Delaware (Ont. CAN)Speedway]], [[Star(NH) Speedway]], [[Flamboro(Ont. CAN)Speedway]], and [[Thompson(CT) Speedway Motorsports Park|Thompson Speedway]], Steve Gioia, Jr. became ISMA's first points Championchampion.
Tom Heveron as president, with the help of Vice President, Jim Shampine and Secretary/Treasurer Fred Graves, led ISMA through its developmental stages. ISMA negotiated with Lancaster for a 40 lap race held on July 3, 1974, which Todd Gibson of Richwood, OH won. The following year ISMA booked races at Fulton Speedway with a $5,000 purse and $1,000 to win.
 
ISMA continues to be at the forefront of supermodified sanctioning bodies, pioneeringhaving pioneered the franchise system, in which teams purchase a franchise at the beginning of the season. Creating a win-winmutually beneficial situation for both the teams and promoters, each of the 19 franchise teams are allowed to miss up to 3 shows during the race season while being guaranteed a minimum starting purse of $1,000 at each event. This system helps to ensure solid, stable car counts and a successful event for the promoterpromoters.
Starting in 1976, ISMA developed a point fund with tracks contributing $500– $1,000 per race to this fund. Unlike most other point systems, ISMA awards points to the car owners as ISMA is an owners club rather than drivers. Joining the Heveron, Shampine and Graves team, Shirley Letcher took over the responsibility for the point system. In just three seasons, ISMA had accomplished sanctioning over $96,000 in purse money and races, adding a point fund of $4,400 paid by promoters, having tow money at all of the ISMA sanctioned races, having insurance certificates from each promoter on file, and working with other promoters for more races in 1977. With races at Fulton (NY), Delaware (Ont. CAN), Star(NH), Flamboro(Ont. CAN), and Thompson(CT), Steve Gioia, Jr. became ISMA's first points Champion.
 
ISMA has generally sanctioned between 13 and 17 shows a year. Major events on the ISMA schedule includehave included leg one of the "supermodified 'Triple Crown'", the Hy-Miler Supermodified Nationals, held annually at [[Sandusky Speedway|Sandusky (Ohio) Speedway]] since 1978, and leg three of the Triple Crown, the Star Classic 150 held at Star Speedway in Epping, NH for over 40 years. Races arehave also been run at other tracks across the Northeast and [[Midwestern United States|Midwest]], including [[Delaware Speedway]] in [[Ontario]], Canada.
ISMA continues to be at the forefront of supermodified sanctioning bodies, pioneering the franchise system, in which teams purchase a franchise at the beginning of the season. Creating a win-win situation for both the teams and promoters, each of the 19 franchise teams are allowed to miss up to 3 shows during the race season while being guaranteed a minimum starting purse of $1,000 at each event. This system helps to ensure solid, stable car counts and a successful event for the promoter.
 
In 2023, ISMA merged with the Midwest Supermodified Series (MSS; see below). In 2024, ISMA/MSS scheduled events in the states of New York, Ohio, [[Michigan]], [[New Hampshire]], and [[North Carolina]].
ISMA generally sanctions between 13 and 17 shows a year including two of the prestigious supermodified Triple Crown Series at 1/4-5/8 mile paved short tracks located in 6 states and Canada.
 
The cars in this series use wings that are designed to move with the airflow over the car, lying almost level with the ground on straightaways creating less aerodynamic drag,straights and standing up in the turns to increase down forcedownforce. The only allowable engine withallowed by ISMA is a cast -iron big block upwith toa 468maximum cu.displacement inof {{Convert|468|cuin|L|1|abbr=unit}}. Aluminum heads are allowed. and theThe cars must weigh aat mandatoryleast {{Convert|1850|lb|abbr=on}} post -race.
Major events on the ISMA schedule include leg one of the supermodified 'Triple Crown' the Hy-Miler Supermodified Nationals, held annually at [[Sandusky Speedway|Sandusky (Ohio) Speedway]] since 1978, and leg three of the Triple Crown, the Star Classic 150 held at Star Speedway in Epping, NH for over 40 years. Races are also run at other tracks across the Northeast and [[Midwestern United States|Midwest]], including [[Delaware Speedway]] in [[Ontario]], Canada.
 
Notable ISMA competitors, past and present, include Russ Wood (eight championships), Chris Perley (six championships), [[Bentley Warren]] (four championships), [[Doug Heveron]] (four championships), Steve Gioia Jr. (four championships), Pat Abold (three championships), [[Joe Gosek]] (two championships), and Mike Ordway Sr. (two championships). Canadian champions include Dave McKnight Jr. (2001) and Mike Lichty (2012 & 2019). As of the end of the 20202023 season, the top five drivers for all-time ISMA feature wins are Chris Perley (74), Russ Wood (54), Bentley Warren (45), Mike Ordway Sr. (36) and Joe Gosek (30).
The cars in this series use wings that are designed to move with the airflow over the car, lying almost level with the ground on straightaways creating less aerodynamic drag, and standing up in the turns to increase down force. The only allowable engine with ISMA is a cast iron big block up to 468 cu. in. Aluminum heads are allowed and the cars must weigh a mandatory {{Convert|1850|lb|abbr=on}} post race.
 
Notable ISMA competitors, past and present, include Russ Wood (eight championships), Chris Perley (six championships), [[Bentley Warren]] (four championships), [[Doug Heveron]] (four championships), Steve Gioia Jr. (four championships), Pat Abold (three championships), [[Joe Gosek]] (two championships) and Mike Ordway Sr. (two championships). Canadian champions include Dave McKnight Jr. (2001) and Mike Lichty (2012 & 2019). As of the end of the 2020 season, the top five drivers for all-time ISMA feature wins are Chris Perley (74), Russ Wood (54), Bentley Warren (45), Mike Ordway Sr. (36) and Joe Gosek (30).
 
===MSS===
Established in 2001, the [[Sandusky, Ohio]]-based Midwest Supermodified Series (MSS; formerly the Midwest Supermodified Association -or MSA) runsran primarily in [[Ohio]]. MSS drivers frequently taketook part in ISMA races and vice versa. MSS merged with ISMA in 2023 (see above).

Notable MSS champions include Tim Jedrzejek (2002, 2003, 2004, 2008 and 2009), Trent Stephens (2011, 2012, 2013 and 2014), and Dave Shullick Jr. (2005, 2006 and 2007). Dave Shullick Jr. has also won two ISMA championships (2015 and 2016) and onethree Oswego Speedway championshipchampionships (2017, 2021 and 2023).
 
===SMRA===
The Super Modified Racing Association (SMRA) governed supermodified racing in the [[Western United States]] during 2008–2011. The SMRA grew from the defunct Western States Supermodified Racing League (WSSRL), which ran one season in 2007 at tracks in [[Arizona]], [[California]], [[Idaho]], [[Utah]] and [[Washington (U.S. state)|Washington]] before disbanding. Of these tracks, only Rocky Mountain Raceway in Utah and Madera Speedway in California have returned, with a third track, Magic Valley Speedway in Idaho, mademaking up the 2008 SMRA schedule.
 
The SMRA had a much more liberal rulebookrule book than its eastern counterparts, with lessfewer restrictions on engine placement (rear-engine cars were universally banned in the 1980s) and allowing other such advancements as [[independent suspension]].
 
The SMRA ceased operations in early 2011 and no sanctioning currently exists in California. Nearly half the races scheduled for 2011 were cancelled due to a shortage of entries.
 
===ERA===
The oldest of the four sanctioning bodies for supermodified racing is the [[Colorado]]-only Englewood Racing Association, which was formed in 1965 at Englewood Speedway. That track closed in 1979 and following its closure, the series ran a 9-race schedule, all of which were run at [[Colorado National Speedway]] (CNS) in [[Dacono, Colorado|Dacono]] until Sunday, May 29, 2016.
 
A techtechnical inspection for the May 29th 2016 race revealed that one car in the Supermodified class had an incorrect muffler installed on the car. This did not offer a competitive advantage and the car was allowed to run onby that dayCNS, but athe correct muffler would have to be installed if the car wanted to compete on a future race date. "Representatives from theThe ERA's SMsupermodified club, disagreed with the CNS decisionhowever, and stated in an ultimatum that if the non-conforming car was allowedintended to compete,disqualify theit club would pack up andor leave for the evening. Based upon these hostilitiesrace, CNSa Officialsmove respondedwhich thatwould ifcost the club chose not to compete onthem the 29th,rest itof wouldtheir not be welcome backraces at the trackCNS for the remainder of the 2016 racing season. After a number of the ERA SM club members loaded and left the track in protest, CNS determined that such behavior was detrimental toremoved the sportsupermodified and spirit of competition, and therefore decided to remove the SM Divisiondivision from the 2016 racing schedule."<ref>{{Cite web|url=https://www.coloradospeedway.com/2016/06/supermodified-division-at-cns/|title = Supermodified Division at CNS|date = 16 June 2016}}</ref> Following this disagreement in 2016, there hashave been very few Supermodifiedsupermodified races at CNS.
 
The ERA Supermodifiedssupermodifieds now primarily race at I-25 Speedway, an asphalta 1/4 -mile high -banked asphalt oval in [[Pueblo, COColorado|Pueblo]]. Some of the regular Colorado Supermodified ERA supermodified drivers have raced their cars at the [[Meridian Speedway (Idaho)|Meridian Speedway]] in Meridian [[Idaho]] in non -ERA -sanctioned races.
 
==References==