703:. Back in 1988, Al Holbert realized that the 962 was beginning to feel dated. He proposed a follow-up open-top Porsche powered racer which would also be sold to customer teams. That project never got off the ground due to Holbert's death in an aircraft accident later in the year. For some, much of the blame was on the organization for allowing the Japanese "works" teams to dominate the series. Under Bishop's original vision, privateers and "works teams" were able to race equally. Privateer teams walked away, while the Japanese economy started to go downhill. These factors led Nissan and Mazda to leave the series. Critics predicted that the decreased variety of cars would disappoint race fans, and in fact, it did finally kill the series in 1993. GTP cars ran their last race on October 2, 1993, at
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they would be required to race a front-wheel-drive car, until they managed to persuade IMSA to change the rules, thereby permitting cars to race with something other than their original drivetrain, and therefore with a redesigned chassis. To AAR's delight, IMSA did change the rules, and the car was converted to rear wheel drive. One outstanding feature of the car was the
206:. In 1989, Bishop sold off his organization. After a period of decline in the early 1990s, the Sports Racer Prototype category was introduced in 1993 to replace the top IMSA GTP category in 1994. In deference to the series deviating from the FIA's naming of the class to Sports Racers and Le Mans Prototypes by the French
755:
behind GT cars. A WSC car would score its first podium finish at
Sebring with a second, and third place behind a Daytona winning GTS class Nissan 300ZX. That led to a rule change for the latter category, as they would be barred from using engines that were originally for GTP cars. At the inaugural round for WSC cars at
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With rising costs and factory teams walking away from the series, which meant diminishing entries and diminishing profit, IMSA introduced a new prototype category for in 1993: World Sport Car (WSC). WSC replaced GTP and Camel Lights' closed-top cars for the following year. The WSC cars were open-top,
358:
became the title sponsor during the second season, with the series becoming known as the Camel GT Challenge Series. The sponsor's corporate decal had to be displayed and clearly visible on the left and right sides of all racecars, and Camel's corporate logo patch was also required to be on the Nomex
754:
as the title sponsor. However, as the WSC cars took over as the leading category, their reliability would be tested at the opening round at the 24 Hours of
Daytona. Two cars started on the front row, with eight WSC cars competing. Two cars finished the race, with the leading WSC car finishing ninth
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chassis, they became serious race cars. By 1987, the category became dominated by factory teams, with testing sessions becoming common, and rules tailored to welcome them in rather than turn them away. Otherwise, the cars were required to closely resemble their showroom counterparts, though fenders
464:
team suddenly encountered a daunting problem with the rules when, with Toyota's introduction of the new, fourth generation, Celica for the US market, and the team's first entry into the top-flight GTO category (despite not having won a single GTU title), the team faced the distinct possibility that
445:
One significant change to the rules during the 1980s was the 2.5 liter limit being increased to 3.0 liters, with the maximum 6.0 liter limit still in place. 3.0L cars were required to weigh 1,900 lb (860 kg), whereas 6.0L cars had to weigh no less than 2,700 lb (1,200 kg). In an
792:
In 1992, the long running category
American Challenge stepped into the GT series. It became known as the GTO category when the former GTO category was renamed GTS (Grand Touring Supreme). The move was prompted by sponsor Exxon, who wanted the series named after its sub-brand of fuel. In 1995, in a
877:
organization, Historic
Sportscar Racing, created a new series to put GTP and Group C cars that had been stored away back onto the track. The series was called HSR ThunderSport. Its creation sparked a similar revival series in Europe, as well as another series in the UK called Group C/GTP Racing.
722:. Dave Cowart and Kemper Miller's Red Lobster sponsored team of the early 1980s would innovate race team hospitality, practices which were subsequently adopted by virtually every other team. For those that competed, GTP was recognized for its camaraderie among drivers, especially rivals. But
402:
Engine sizes were determined by IMSA officials, who had devised a set of rules to determine fair competition, using a displacement versus minimum weight formula. Turbochargers were taken into account as well as rotary power, fuel injection, and many other engine features.
558:
race an amazing ten years in a row, starting in 1982. It also won eight IMSA GTU championships in a row from 1980 through 1987. The car went on to win more IMSA races in its class than any other model of automobile, with its one hundredth victory on
September 2, 1990.
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Steering, braking, transmission, and suspension were left up to the constructor. Bigger, more powerful engines were permitted under homologation rules. The number of valves, ports, and spark plugs were not allowed to be modified from the original configuration.
797:, the GT category would undergo another major reformatting. GTS became known as GTS-1, and GTU became known as GTS-2. In 1997, there was another category addition: GTS-2 became GTS-3. The new GTS-2 category was introduced to allow for the existing GT2 cars.
535:, which took seven wins out of fifteen. Audi stayed away from the early season endurance classics (Daytona and Sebring), and had two cars drop out of the race in two different rounds, thereby costing them both the manufacturer's and driver's titles,
622:, which dominated the series from '85 to '87. Nissan then took control of the series in 1988, but faced challenges from Jaguar, Porsche, and Toyota throughout the next three years. Toyota was quickest in 1992 and 1993, at the end of the GTP era, as
805:
Under tremendous pressure from team owners and management, Evans sold the series to PST Holdings, Inc., a group led by
Raymond Smith, formerly the chief financial officer of Sports Car. Other owners included Dough Robinson and Tom Milner. In 2001
688:. Bishop would stand down as president in favor of Mark Raffauf, who was his deputy, and its representative on the ACCUS board. Cone and Parker sold it to businessman Charles Slater. Both lost millions attempting to revive the sagging TV ratings.
418:. The 935 became the most successful car in the series. The most successful driver of the 1970s was Peter Gregg, who won championships in 1971, 1973, 1974, 1975, 1978, and 1979. Twin turbos were outlawed at the end of the 1982 season after
373:
Starting fields of 30 or more competitors were not unusual during this era. One of the premiere race events was the Paul Revere 250, which started at midnight of the Fourth of July. The race was conducted entirely at night.
634:, a car so dominant that it has been blamed for the demise of the class. Along with the GTP cars, the Camel Lights cars, a smaller capacity, non-turbocharged, lower powered prototype category was introduced in 1985.
857:
class, proved to be a popular competitor to the more international ALMS, attracting some pro drivers and teams, featuring large fields, and producing close competition. Much like the split from 1996 to 2008 between
512:
There were no restrictions on body materials, as most teams favored removable, easy to repair fiberglass (meaning one of the only remaining panels from a car's production counterpart was the steel roof structure).
814:(ALMS) which had been sanctioned by PSCR since 1999. Panoz renamed the sanctioning organization IMSA, and it was the official sanctioning body of the American Le Mans Series, the Star Mazda series, and the
217:, was eventually renamed Professional Sports Car Racing (PSCR). In 1999, PSCR decided to affiliate with the Automobile Club de l'Ouest and adopt the sanctioning body's rule book, renaming the series the
489:, the car was dominant in its class right up until the team's move to GTP. Utilizing the same engine, it became dominant once again. Other teams would follow this example, with notable cars such as the
778:, and would take the manufacturer's title. The Ferrari 333 SP and the R&S cars (Oldsmobile / Ford) were the dominant entries in the series from 1995 until the demise of IMSA at the end of 1998.
366:
Initially, all cars were identified with a category tag, stating which category they competed in, but from the middle of the 1975 season on, all cars within the series had to have a rectangular
763:
would make its debut amongst mass media fanfare, and win its debut race. The car brand regularly achieving podium finishes every round after that, Oldsmobile, won the manufacturer's title over
221:. Despite having various official names, the GT series was known commonly as the "IMSA series", as it was the sanctioning body. For legal reasons, both the 1999-2013 ALMS and the current
446:
effort to equalize the competition, two-valve turbocharged cars were required to weigh 15% more, and four-valve turbocharged cars 20% more. Electronic fuel injection became common, while
837:. It was headed by a group of competitors that wanted to keep the rules within the United States. After failing by 1999, a new U.S.-based series was started with the full support of
774:
Mk III. The car would make its debut at
Daytona, but would retire after the eleventh lap due to engine failure. Ferrari would help the category score an overall win at the
750:, the category would compete for the remainder of the season in non-Championship rounds, with no more than four cars entering each race. In 1994 Camel was replaced by
2505:
866:, critics say this split was detrimental to the sport as a whole. Grand AM and ALMS merged in 2014 under IMSA sanction and France family ownership to create the
391:
Turbochargers were not permitted until the middle of the 1977 season. They were allowed following protests by
Porsche's motorsport department, after inspecting
434:
In 1984, all GT cars were required to display a large square decal to identify which category the car competed in. A GTU car, for instance, would have a black
388:. The car was not a success, however, and it became obsolete when the new GTP category was created. TU would be phased out in 1976, TO the following year.
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system, the car had the potential to dominate during the 1989 season. The car performed well, but faced heavy competitions from two factory teams; the
190:, and in 1975 introduced a new category: All American Grand Touring (AAGT). In 1977, the series went through a series of major changes. IMSA permitted
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Following a successful heart surgery in 1987, Bishop began to rethink his priorities. He was approached by Mike Cone and Jeff Parker, owners of
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684:. In January 1989, Bishop and France sold the series to Cone and Parker. The new owners relocated the IMSA headquarters from Connecticut to
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from 1982. The main difference between the two categories was that the former had no emphasis on fuel consumption which was highlighted by
252:
The 1971 season was the first racing season, and lasted six races. The early years of the series featured GT cars, similar to the
European
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meaning "over 2.5L". The GTO class was dominated by
Corvettes, then by Shelby Mustangs, and then various factory teams consisting of
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The Celica was one of just a few cars that had broken away from its production GT derivatives of the earlier years. With a full
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399:, which had won two titles. Prior to 1977, Porsche privateers struggled with obsolete 911 Carrera RSRs against the AAGT cars.
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flat-bottomed sports-prototypes with production engines, as opposed to racing versions of production engines from GTP cars.
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Starting with the 1986 season, the GTP category had their own decal, which was similar to the IMSA GT side decal, with a
586:
In 1981, purpose-built GTP cars (Grand Touring Prototypes) appeared in the championship, and were similar to the new FIA
789:
WSC team. Evans and VP of marketing Kurtis Eide were responsible for the name change to Professional Sports Car Racing.
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with the sole entry of Brent O'Neill. The car finished last among the cars that were still running. After skipping the
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In 1975 a new category, All American Grand Touring (AAGT), was introduced to counteract the Porsche dominance in GTO.
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By 1992, there were a number of factors that led to the decline of the GTP category. Porsche concentrated on its
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785:(ex-CEO of Reebok) and Wall Street financier Andy Evans, who was also an IndyCar owner, and owner-driver of the
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winning the 1983 championship with a Chevrolet powered car, changing to Porsche power later in the season; and
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Essential Datsun Z 240Z to 280Zx: The Cars and Their Story 1969-83, Colin Shipway, Motorbooks International,
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decal, which incorporated its logo on the left, followed by a large GT tag, as well as a Joe Camel decal.
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This article is about the championship that existed from 1971 to 1998. For the modern IMSA series, see
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210:(ACO) in Europe for their then separate series, the new class was designated IMSA World Sports Car.
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team used a loophole in the rules to build a Datsun 280ZX inside the U.S. with a V8 engine from a
183:; it was an unexpected success, with both the drivers and the handful of spectators who attended.
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As a result, the new premier class known as GTX (Grand Touring Experimental, which was based on
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699:) program when critics stated that the Zuffenhausen marque should have built a followup to its
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311:- Touring-type cars, such as the Chevrolet Camaro with engines of 2.5L or more displacement
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cars to compete for the first time, as well as introducing a new category: GTX, based on
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Another manufacturer to experience a run of wins was Mazda. After some success by the
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There were many other manufacturers in the GTP class, such as URD Rennsport, Spice,
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2844:"The Angriest Celicas by Matthew Hayashibara, Sports Compact Car, September 1999"
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being added to denote their category. Camel Lights cars also used the same decal
477:
predecessor, producing around 475 hp (354 kW). Piloted by the likes of
466:
396:
322:
2843:
730:, sarcastically compared the series' camaraderie to Formula One's lack of such.
293:- Grand touring-type cars with engines of 2.5L displacement or less, the letter
267:- Grand touring-type cars with engines of 2.5L displacement or more, the letter
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346:, in a Porsche 914-6 GTU. Common winners in these early years of IMSA were the
343:
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139:. Races took place primarily in the United States and occasionally in Canada.
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2422:"Peggy Bishop, wife of IMSA founder, dies - Autoweek Racing Grand-Am news"
710:
The GTP category was credited for many innovations in the U.S., including
213:
After a period of multiple ownerships, the organization, by then owned by
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rules. In 1981, after Bishop decided to not follow FIA's newly introduced
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930 to 935: The Turbo Porsches, John Starkey, Renwick & Starkey Ltd.
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870:. The WeatherTech Championship is considered the official continuation.
822:, but in 2005 the relationship between Panoz and the Le Mans organizers,
700:
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618:
a year later with Chevrolet power. 1984 also saw the introduction of the
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are regarded as a continuation of the original IMSA GT Championship.
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853:. The series struggled early on, but after the introduction of the
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3993:
764:
598:
saying "Race fans do not come to races to watch an economy run."
587:
520:
474:
199:
3574:
2762:
2736:
2578:
2552:
818:
GT Pro series. The ALMS uses regulations based on those of the
237:
1981 IMSA race at Road Atlanta featuring GTO, GTU, and GTP cars
5651:
5417:
4871:
1760:
1480:
838:
461:
117:
575:
325:. Trans Am would quickly become a support series for IMSA GT.
241:
4370:
3983:
2095:
815:
751:
317:- Touring-type cars with engines of 2.5L or less displacement
147:
The series was founded in 1969 by John and Peggy Bishop, and
5165:
2965:
Endurance Racing 1982-1991, Ian Briggs, Osprey Automotice,
2816:"IMSA blog: All American Racers : part 1, the GT cars"
2476:"IMSA blog: Do you want to know about GT racing in the 70s"
517:
3419:
638:
Racing Cars was the first 'Lights' Champions, followed by
363:
smiling and smoking a cigarette while driving a race car.
4595:
4585:
4580:
4575:
152:
151:
Racing began in 1971, and was originally aimed at two of
2500:
Photo by courtesy of: Clay Carpenter Flying Pigs Racing
186:
For the following year, John Bishop brought in sponsor
2652:, J. A. Martin & Ken Wells, David Bull Publishing,
155:'s stock car categories, running two classes each; the
3455:
297:
meaning "under 2.5L". The GTU group was dominated by
810:
purchased PSCR to solidify the sanction for Panoz's
642:
Engineering. Other well known participants were the
531:
Mercury Cougar XR7, and Clayton Cunningham Racing's
321:
In essence, these groups had been absorbed from the
442:on black. All others had standard IMSA GT decals.
770:In 1995, a new rival for Ferrari appeared in the
5669:
2890:"IMSAblog: Mazda RX7 : winningest car ever"
2605:Photo by courtesy of: Gene Felton Restorations.
829:A breakaway series formed in 1998 involving the
728:"Prototypes: The History of the IMSA GTP Series"
329:History of the top series in the GT Championship
2981:
2470:
2468:
2861:
2650:Prototypes: The History of the IMSA GTP Series
2352:Prototypes: The History of the IMSA GTP Series
3852:
3560:
3056:
2645:
2643:
2641:
2639:
2637:
2635:
2633:
2631:
2629:
2627:
516:Another car that exploited the rules was the
16:Auto racing championship in the United States
2838:
2836:
2465:
2447:"Grand-Am, American Le Mans to merge series"
414:), brought on the absolute dominance of the
3866:
3859:
3845:
3567:
3553:
3063:
3049:
2713:"IMSA blog: GTO : the big step ahead"
2707:
2705:
2703:
2701:
2699:
2697:
2624:
32:
2914:Photo by courtesy of: Fred Lewis Photos.
2833:
2789:Photo by courtesy of: Fred Lewis Photos.
781:In 1996, Slater sold the organization to
726:, commenting in the foreword of the book
305:(1978–1985) through the end of the 1980s.
248:in the Hoerr Racing GTO Oldsmobile (1987)
2975:
2940:Photo by courtesy of: Michael O. Crews.
2678:
833:, and was running under the name of the
574:
566:
240:
232:
67:
5698:Auto racing series in the United States
2808:
2694:
2662:
873:After the series' demise, a U.S.-based
202:rules, he introduced the GTP class for
5683:International Motor Sports Association
5670:
3072:International Motor Sports Association
2763:Photo by courtesy of: Mark Windecker.
2737:Photo by courtesy of: Mark Windecker.
2579:Photo by courtesy of: Mark Windecker.
2553:Photo by courtesy of: Mark Windecker.
847:Grand American Road Racing Association
835:United States Road Racing Championship
602:was the first GTP champion, driving a
590:cars which would be introduced to the
179:) classes. The first race was held at
137:International Motor Sports Association
5483:
5319:
5158:
5024:
4834:
4625:
4399:
4123:
3840:
3548:
3044:
2959:
742:The WSC cars made their debut at the
359:driver suit's breast area, featuring
3005:
2508:. Flying Pigs Racing. Archived from
733:
429:
228:
2882:
793:bid to move closer to the European
260:classes, divided into four groups:
13:
2892:. Alex62.typepad.com. 2006-02-14.
2818:. Alex62.typepad.com. 2006-07-27.
2715:. Alex62.typepad.com. 2007-02-06.
2478:. Alex62.typepad.com. 2006-01-06.
2399:. Racing Sports Cars. 1991-02-06.
868:WeatherTech SportsCar Championship
223:WeatherTech SportsCar Championship
14:
5709:
3029:
2982:Michael Strahan (December 1993).
672:, and in the early 1990s, Mazda.
509:up to 79 inches (2,000 mm).
505:could be widened, increasing the
493:(in the Trans-Am series) and the
438:on white, and a GTO car, a white
2325:
2315:
2303:
2292:
2274:
2241:
2231:
2219:
2201:
2170:
2158:
2140:
2123:
2111:
2094:
2064:
2054:
2042:
2027:
1994:
1984:
1972:
1960:
1943:
1926:
1914:
1902:
1890:
1873:
1839:
1827:
1815:
1798:
1781:
1769:
1759:
1742:
1725:
1713:
1703:
1686:
1667:
1655:
1645:
1628:
1609:
1597:
1585:
1568:
1549:
1537:
1525:
1508:
1489:
1479:
1467:
1450:
1417:
1407:
1390:
1373:
1363:
1346:
1329:
1319:
1302:
1274:
1264:
1252:
1233:
1223:
1211:
1194:
1184:
1172:
1155:
1145:
1133:
1105:
1093:
1076:
1064:
1045:
1033:
1016:
1004:
987:
975:
956:
946:
927:
916:
906:
800:
2948:from the original on 2016-03-03
2933:
2922:from the original on 2016-03-03
2907:
2896:from the original on 2015-05-10
2850:from the original on 2012-02-06
2822:from the original on 2013-10-10
2797:from the original on 2016-03-03
2782:
2771:from the original on 2016-03-03
2756:
2745:from the original on 2016-03-03
2730:
2719:from the original on 2014-07-16
2613:from the original on 2016-03-03
2587:from the original on 2012-02-17
2561:from the original on 2016-03-03
2502:http://www.flyingpigsracing.com
2482:from the original on 2011-07-17
2453:from the original on 2012-09-08
2403:from the original on 2016-03-03
333:
5688:R. J. Reynolds Tobacco Company
2607:"Laguna Seca 100 Miles I 1975"
2598:
2572:
2546:
2493:
2439:
2414:
2389:
2364:
675:
610:also fielded prototypes, with
606:T600 with a Chevrolet engine.
181:Virginia International Raceway
1:
3090:Camel GT / Exxon Championship
2506:"Road Atlanta IMSA Race 1981"
2358:
705:Phoenix International Raceway
426:dominated in a modified 935.
4361:International Formula Master
881:
592:World Endurance Championship
7:
4422:Ginetta Junior Championship
4085:Australian National Formula
3421:US Road Racing Championship
3331:IMSA SportsCar Championship
2339:
849:, operating the headlining
571:Class decal of GTP category
21:IMSA SportsCar Championship
10:
5714:
4499:BMW M1 Procar Championship
4004:V de V Challenge Monoplace
2424:. Autoweek. Archived from
831:Sports Car Club of America
562:
554:won its class in the IMSA
208:Automobile Club de l'Ouest
142:
122:Mid-Ohio Sports Car Course
18:
5592:
5564:
5472:
5360:
5308:
5201:
5147:
5072:
5015:
4962:
4927:
4823:
4686:
4614:
4566:
4554:Volkswagen Scirocco R-Cup
4489:Australian Mini Challenge
4471:
4388:
4189:
4170:FIA Formula Championship
4112:
4012:
3886:
3875:
3768:
3707:
3586:
3446:
3410:
3329:
3241:
3088:
3079:
2846:. Allamericanracers.com.
2284:
2258:
2253:
2211:
2185:
2180:
2168:
2150:
2121:
2104:
2087:
2081:
2076:
2037:
2011:
2006:
1854:
1849:
1825:
1767:
1711:
1653:
1595:
1535:
1477:
1440:
1434:
1429:
1405:
1400:
1361:
1356:
1317:
1312:
1292:
1289:
1284:
1262:
1250:
1221:
1209:
1182:
1170:
1143:
1131:
1123:
1120:
1115:
1103:
1091:
1074:
1062:
1043:
1031:
1014:
1002:
985:
973:
954:
944:
914:
904:
894:
891:
338:The first champions were
58:
50:
40:
31:
5693:Sports car racing series
4549:Volkswagen Jetta TDI Cup
4427:Lamborghini Super Trofeo
525:Quattro four-wheel-drive
84:) leads eventual winner
4095:Grand Prix motor racing
3457:Rolex Sports Car Series
3243:American Le Mans Series
2942:"Daytona 24 Hours 1986"
2916:"Daytona 24 Hours 1986"
2791:"Daytona 24 Hours 1984"
2765:"Daytona 24 Hours 1984"
2739:"Daytona 24 Hours 1984"
2581:"Mid-Ohio 6 Hours 1973"
2555:"Mid-Ohio 6 Hours 1973"
851:Rolex Sports Car Series
826:, became problematic.
812:American Le Mans Series
450:were still prohibited.
348:Porsche 911 Carrera RSR
219:American Le Mans Series
120:Grand Prix of Ohio, at
2944:. Racing Sports Cars.
2918:. Racing Sports Cars.
2793:. Racing Sports Cars.
2767:. Racing Sports Cars.
2741:. Racing Sports Cars.
2609:. Racing Sports Cars.
2583:. Racing Sports Cars.
2557:. Racing Sports Cars.
2374:. WSRP. Archived from
583:
572:
249:
238:
125:
5007:Quarter Midget racing
4847:Allison Legacy Series
4524:Jaguar I-Pace eTrophy
4519:Ginetta GT5 Challenge
4494:Aston Martin Asia Cup
4131:Formula Car Challenge
3999:Monoposto Racing Club
3929:Formula Car Challenge
2869:"1989 IMSA GTO makes"
2372:"IMSA GT 1991 season"
1950:Juan Manuel Fangio II
1880:Juan Manuel Fangio II
654:, Fabcar, and Kudzu.
578:
570:
244:
236:
71:
5678:IMSA GT Championship
5543:Super Comp/Quick Rod
4648:Stock Car Pro Series
4534:Renault Sport Trophy
4514:Ginetta GT4 Supercup
4463:TVR Tuscan Challenge
4366:Toyota Racing Series
3576:IMSA GT Championship
2397:"Racing Sports Cars"
795:BPR Global GT Series
630:team campaigned the
523:. With its advanced
135:series organized by
27:IMSA GT Championship
4673:Turismo Nacional BR
4539:SEAT Leon Supercopa
4450:Porsche Carrera Cup
4376:Superleague Formula
4202:ADAC Formel Masters
3944:Formula Enterprises
3934:Formula Continental
1754:Nissan GTP ZX-Turbo
1698:Nissan GTP ZX-Turbo
1640:Nissan GTP ZX-Turbo
820:24 Hours of Le Mans
776:12 Hours of Sebring
748:12 Hours of Sebring
628:All American Racers
580:Toyota Eagle Mk.III
556:24 Hours of Daytona
469:E engine, from its
28:
5657:Side by Side (UTV)
4897:Whelen Euro Series
4852:IMCA Sport Compact
4346:Grand Prix Masters
4136:Formula Enterprise
4090:Grand Prix Masters
3614:Indianapolis (IRP)
1955:Toyota Eagle MKIII
1885:Toyota Eagle MKIII
1765:Tomás López Rocha
682:Tampa Race Circuit
584:
573:
537:Hans-Joachim Stuck
352:Chevrolet Corvette
250:
239:
126:
26:
5665:
5664:
5588:
5587:
5517:Funny Car (TA/FC)
5468:
5467:
5304:
5303:
5143:
5142:
5002:Midget car racing
4997:Sprint car racing
4958:
4957:
4919:Turismo Carretera
4819:
4818:
4562:
4561:
4484:Audi Sport TT Cup
4445:Mustang Challenge
4440:Mini Challenge UK
4412:Ferrari Challenge
4384:
4383:
4108:
4107:
4080:Formula Super Vee
3834:
3833:
3542:
3541:
3538:
3537:
3442:
3441:
3406:
3405:
3015:. WSPR-Racing.com
3013:"WSPR-Racing.com"
2532:External link in
2337:
2336:
2321:Larry Schumacher
2286:Riley & Scott
2237:Larry Schumacher
2213:Riley & Scott
2176:Larry Schumacher
2152:Riley & Scott
1413:Roger Mandeville
1379:Roger Mandeville
875:historical racing
855:Daytona Prototype
845:family named the
772:Riley & Scott
734:World Sports Cars
720:active suspension
491:Chevrolet Beretta
430:GT spaceframe era
299:Porsche 914-6 GTs
229:Initial divisions
204:sports prototypes
133:sports car racing
80:(both driving an
66:
65:
5705:
5481:
5480:
5317:
5316:
5156:
5155:
5022:
5021:
4832:
4831:
4668:Turismo Nacional
4623:
4622:
4458:Renault Clio Cup
4397:
4396:
4121:
4120:
4040:Formula C (SCCA)
4035:Formula B (SCCA)
4030:Formula A (SCCA)
3959:Formula Regional
3924:Formula Atlantic
3884:
3883:
3861:
3854:
3847:
3838:
3837:
3569:
3562:
3555:
3546:
3545:
3453:
3452:
3417:
3416:
3086:
3085:
3065:
3058:
3051:
3042:
3041:
3024:
3023:
3021:
3020:
3009:
3003:
3002:
3000:
2999:
2990:. Archived from
2979:
2973:
2963:
2957:
2956:
2954:
2953:
2937:
2931:
2930:
2928:
2927:
2911:
2905:
2904:
2902:
2901:
2886:
2880:
2879:
2877:
2876:
2865:
2859:
2858:
2856:
2855:
2840:
2831:
2830:
2828:
2827:
2812:
2806:
2805:
2803:
2802:
2786:
2780:
2779:
2777:
2776:
2760:
2754:
2753:
2751:
2750:
2734:
2728:
2727:
2725:
2724:
2709:
2692:
2682:
2676:
2666:
2660:
2647:
2622:
2621:
2619:
2618:
2602:
2596:
2595:
2593:
2592:
2576:
2570:
2569:
2567:
2566:
2550:
2544:
2543:
2537:
2536:
2530:
2528:
2520:
2518:
2517:
2497:
2491:
2490:
2488:
2487:
2472:
2463:
2462:
2460:
2458:
2443:
2437:
2436:
2434:
2433:
2418:
2412:
2411:
2409:
2408:
2393:
2387:
2386:
2384:
2383:
2368:
2330:
2329:
2320:
2319:
2308:
2307:
2297:
2296:
2281:Butch Leitzinger
2279:
2278:
2246:
2245:
2236:
2235:
2224:
2223:
2208:Butch Leitzinger
2206:
2205:
2175:
2174:
2163:
2162:
2145:
2144:
2128:
2127:
2116:
2115:
2099:
2098:
2069:
2068:
2059:
2058:
2047:
2046:
2032:
2031:
2001:Butch Leitzinger
1999:
1998:
1989:
1988:
1977:
1976:
1967:Parker Johnstone
1965:
1964:
1948:
1947:
1931:
1930:
1919:
1918:
1907:
1906:
1897:Parker Johnstone
1895:
1894:
1878:
1877:
1844:
1843:
1832:
1831:
1822:Parker Johnstone
1820:
1819:
1803:
1802:
1786:
1785:
1776:Dorsey Schroeder
1774:
1773:
1764:
1763:
1747:
1746:
1730:
1729:
1718:
1717:
1708:
1707:
1691:
1690:
1672:
1671:
1660:
1659:
1650:
1649:
1633:
1632:
1614:
1613:
1602:
1601:
1590:
1589:
1573:
1572:
1554:
1553:
1542:
1541:
1530:
1529:
1513:
1512:
1494:
1493:
1484:
1483:
1472:
1471:
1455:
1454:
1422:
1421:
1412:
1411:
1395:
1394:
1378:
1377:
1368:
1367:
1351:
1350:
1334:
1333:
1324:
1323:
1307:
1306:
1279:
1278:
1269:
1268:
1257:
1256:
1238:
1237:
1228:
1227:
1218:John Fitzpatrick
1216:
1215:
1199:
1198:
1189:
1188:
1177:
1176:
1160:
1159:
1150:
1149:
1138:
1137:
1110:
1109:
1098:
1097:
1081:
1080:
1069:
1068:
1050:
1049:
1038:
1037:
1021:
1020:
1009:
1008:
992:
991:
980:
979:
961:
960:
951:
950:
932:
931:
921:
920:
911:
910:
886:
885:
767:by four points.
744:Miami Grand Prix
716:traction control
395:'s AAGT winning
386:Nissan President
382:Bob Sharp Racing
149:Bill France, Sr.
72:(front to rear)
45:Sportscar racing
36:
29:
25:
5713:
5712:
5708:
5707:
5706:
5704:
5703:
5702:
5668:
5667:
5666:
5661:
5584:
5560:
5548:Top Doorslammer
5514:Dragster (TA/D)
5475:
5464:
5460:Group D GT Cars
5413:GT3 (1998–1999)
5408:GT2 (2005–2010)
5403:GT2 (1993–1999)
5398:GT1 (2000–2012)
5393:GT1 (1993–1999)
5356:
5311:
5300:
5275:(1981–1993 era)
5197:
5150:
5139:
5135:World Rally Car
5068:
5011:
4954:
4923:
4826:
4815:
4682:
4617:
4610:
4558:
4544:Trofeo Maserati
4479:Audi R8 LMS Cup
4467:
4407:Caterham Racing
4392:
4380:
4334:Formula Renault
4185:
4116:
4104:
4075:Formula Pacific
4070:Formula Mondial
4008:
3878:
3871:
3865:
3835:
3830:
3764:
3760:West Palm Beach
3708:Street circuits
3703:
3582:
3573:
3543:
3534:
3438:
3402:
3325:
3237:
3075:
3069:
3032:
3027:
3018:
3016:
3011:
3010:
3006:
2997:
2995:
2984:"The Last Race"
2980:
2976:
2964:
2960:
2951:
2949:
2938:
2934:
2925:
2923:
2912:
2908:
2899:
2897:
2888:
2887:
2883:
2874:
2872:
2867:
2866:
2862:
2853:
2851:
2842:
2841:
2834:
2825:
2823:
2814:
2813:
2809:
2800:
2798:
2787:
2783:
2774:
2772:
2761:
2757:
2748:
2746:
2735:
2731:
2722:
2720:
2711:
2710:
2695:
2683:
2679:
2667:
2663:
2648:
2625:
2616:
2614:
2603:
2599:
2590:
2588:
2577:
2573:
2564:
2562:
2551:
2547:
2534:
2533:
2531:
2522:
2521:
2515:
2513:
2498:
2494:
2485:
2483:
2474:
2473:
2466:
2456:
2454:
2445:
2444:
2440:
2431:
2429:
2420:
2419:
2415:
2406:
2404:
2395:
2394:
2390:
2381:
2379:
2370:
2369:
2365:
2361:
2346:IMSA GT classes
2342:
2324:
2314:
2302:
2301:
2291:
2273:
2240:
2230:
2218:
2200:
2169:
2157:
2139:
2122:
2110:
2093:
2063:
2053:
2041:
2026:
1993:
1990:Charles Morgan
1983:
1971:
1959:
1942:
1925:
1913:
1901:
1889:
1872:
1838:
1826:
1814:
1797:
1780:
1768:
1758:
1741:
1731:Bob Leitzinger
1724:
1712:
1702:
1685:
1666:
1654:
1644:
1627:
1608:
1596:
1584:
1567:
1548:
1536:
1524:
1507:
1488:
1478:
1466:
1449:
1416:
1406:
1389:
1372:
1362:
1345:
1328:
1318:
1301:
1273:
1263:
1251:
1232:
1222:
1210:
1193:
1190:Howard Meister
1183:
1171:
1154:
1144:
1132:
1104:
1092:
1082:Brad Frisselle
1075:
1063:
1044:
1032:
1015:
1003:
986:
974:
955:
945:
926:
925:
915:
905:
884:
803:
736:
712:antilock brakes
678:
565:
497:(in IMSA GTU).
432:
397:Chevrolet Monza
336:
331:
323:Trans Am Series
231:
145:
24:
17:
12:
11:
5:
5711:
5701:
5700:
5695:
5690:
5685:
5680:
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4469:
4468:
4466:
4465:
4460:
4455:
4452:
4447:
4442:
4437:
4435:Mazda MX-5 Cup
4432:
4429:
4424:
4419:
4414:
4409:
4403:
4401:
4394:
4386:
4385:
4382:
4381:
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4097:
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4060:Formula Junior
4057:
4055:Formula Holden
4052:
4047:
4042:
4037:
4032:
4027:
4022:
4016:
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3092:
3083:
3077:
3076:
3068:
3067:
3060:
3053:
3045:
3039:
3038:
3031:
3030:External links
3028:
3026:
3025:
3004:
2974:
2958:
2932:
2906:
2881:
2860:
2832:
2807:
2781:
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2449:. nascar.com.
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2184:
2178:
2177:
2167:
2155:
2149:
2137:
2131:
2130:
2120:
2108:
2106:Ferrari 333 SP
2103:
2090:
2089:
2086:
2083:
2080:
2074:
2073:
2061:
2051:
2039:
2036:
2023:
2022:
2019:
2016:
2013:
2010:
2004:
2003:
1991:
1981:
1969:
1957:
1952:
1940:
1934:
1933:
1923:
1911:
1899:
1887:
1882:
1869:
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1856:
1853:
1847:
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1807:
1795:
1789:
1788:
1787:Lance Stewart
1778:
1766:
1756:
1751:
1739:
1733:
1732:
1722:
1710:
1709:Scott Schubot
1700:
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1399:
1387:
1381:
1380:
1370:
1360:
1355:
1343:
1337:
1336:
1326:
1325:Don Devendorf
1316:
1311:
1298:
1297:
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1288:
1282:
1281:
1271:
1261:
1249:
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1202:
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1200:Don Devendorf
1191:
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1024:
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1013:
1001:
995:
994:
993:Bob Bergstrom
984:
972:
966:
965:
963:Hurley Haywood
953:
943:
937:
936:
934:Hurley Haywood
913:
903:
897:
896:
893:
890:
883:
880:
802:
799:
783:Roberto Muller
761:Ferrari 333 SP
735:
732:
677:
674:
564:
561:
483:Willy T. Ribbs
448:ground effects
431:
428:
344:Hurley Haywood
340:Peter H. Gregg
335:
332:
330:
327:
319:
318:
312:
306:
288:
230:
227:
188:R. J. Reynolds
144:
141:
96:, followed by
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60:
56:
55:
52:
48:
47:
42:
38:
37:
15:
9:
6:
4:
3:
2:
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5643:
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4555:
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4540:
4537:
4535:
4532:
4530:
4529:Mégane Trophy
4527:
4525:
4522:
4520:
4517:
4515:
4512:
4510:
4507:
4505:
4504:Commodore Cup
4502:
4500:
4497:
4495:
4492:
4490:
4487:
4485:
4482:
4480:
4477:
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4340:
4337:
4336:
4335:
4332:
4328:
4325:
4323:
4320:
4318:
4315:
4313:
4312:Opel/Vauxhall
4310:
4308:
4305:
4303:
4300:
4296:
4293:
4291:
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4285:
4283:
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4171:
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4159:
4157:
4154:
4152:
4149:
4147:
4146:MRF Challenge
4144:
4142:
4139:
4137:
4134:
4132:
4129:
4128:
4126:
4122:
4119:
4115:
4111:
4101:
4100:Tasman Series
4098:
4096:
4093:
4091:
4088:
4086:
4083:
4081:
4078:
4076:
4073:
4071:
4068:
4066:
4065:Formula Libre
4063:
4061:
4058:
4056:
4053:
4051:
4050:Formula Dream
4048:
4046:
4043:
4041:
4038:
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4033:
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4028:
4026:
4023:
4021:
4018:
4017:
4015:
4011:
4005:
4002:
4000:
3997:
3995:
3992:
3990:
3989:Supermodified
3987:
3985:
3982:
3980:
3979:Super Formula
3977:
3975:
3972:
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3967:
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3962:
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3857:
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3650:
3649:New Hampshire
3647:
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3627:
3625:
3622:
3620:
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3599:Bridgehampton
3597:
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3141:
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3061:
3059:
3054:
3052:
3047:
3046:
3043:
3037:
3034:
3033:
3014:
3008:
2994:on 2007-07-04
2993:
2989:
2985:
2978:
2972:
2971:1-85532-228-5
2968:
2962:
2947:
2943:
2936:
2921:
2917:
2910:
2895:
2891:
2885:
2871:. WSPR Racing
2870:
2864:
2849:
2845:
2839:
2837:
2821:
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2811:
2796:
2792:
2785:
2770:
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2744:
2740:
2733:
2718:
2714:
2708:
2706:
2704:
2702:
2700:
2698:
2691:
2690:0-9665094-1-2
2687:
2681:
2675:
2674:1-870979-51-6
2671:
2665:
2659:
2658:1-893618-01-3
2655:
2651:
2646:
2644:
2642:
2640:
2638:
2636:
2634:
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2628:
2612:
2608:
2601:
2586:
2582:
2575:
2560:
2556:
2549:
2541:
2535:|author=
2526:
2512:on 2018-03-12
2511:
2507:
2503:
2496:
2481:
2477:
2471:
2469:
2452:
2448:
2442:
2428:on 2013-08-23
2427:
2423:
2417:
2402:
2398:
2392:
2378:on 2008-09-22
2377:
2373:
2367:
2363:
2354:
2353:
2349:
2347:
2344:
2343:
2333:
2328:
2323:
2318:
2313:
2311:
2310:David Brabham
2306:
2300:
2295:
2290:
2287:
2282:
2277:
2272:
2271:
2267:
2264:
2261:
2256:
2252:
2249:
2248:Bill Auberlen
2244:
2239:
2234:
2229:
2227:
2222:
2217:
2214:
2209:
2204:
2199:
2198:
2194:
2191:
2188:
2183:
2179:
2173:
2166:
2161:
2156:
2153:
2148:
2143:
2138:
2136:
2133:
2132:
2129:Jorge Trejos
2126:
2119:
2114:
2109:
2107:
2102:
2097:
2092:
2091:
2084:
2079:
2075:
2072:
2067:
2062:
2057:
2052:
2050:
2045:
2040:
2035:
2030:
2025:
2024:
2020:
2017:
2014:
2009:
2005:
2002:
1997:
1992:
1987:
1982:
1980:
1979:Tommy Kendall
1975:
1970:
1968:
1963:
1958:
1956:
1953:
1951:
1946:
1941:
1939:
1936:
1935:
1932:David Loring
1929:
1924:
1922:
1917:
1912:
1910:
1905:
1900:
1898:
1893:
1888:
1886:
1883:
1881:
1876:
1871:
1870:
1866:
1863:
1860:
1857:
1852:
1848:
1842:
1837:
1835:
1830:
1823:
1818:
1813:
1811:
1810:Nissan NPT-91
1808:
1806:
1805:Geoff Brabham
1801:
1796:
1794:
1791:
1790:
1784:
1779:
1777:
1772:
1762:
1757:
1755:
1752:
1750:
1749:Geoff Brabham
1745:
1740:
1738:
1735:
1734:
1728:
1723:
1721:
1716:
1706:
1701:
1699:
1696:
1694:
1693:Geoff Brabham
1689:
1684:
1682:
1679:
1678:
1675:
1674:Tommy Kendall
1670:
1665:
1663:
1658:
1648:
1643:
1641:
1638:
1636:
1635:Geoff Brabham
1631:
1626:
1624:
1621:
1620:
1617:
1616:Tommy Kendall
1612:
1607:
1605:
1600:
1593:
1588:
1583:
1581:
1578:
1576:
1575:Chip Robinson
1571:
1566:
1564:
1561:
1560:
1557:
1556:Tommy Kendall
1552:
1547:
1545:
1540:
1533:
1528:
1523:
1521:
1518:
1516:
1511:
1506:
1504:
1501:
1500:
1497:
1492:
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1482:
1475:
1470:
1465:
1463:
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1453:
1448:
1447:
1443:
1437:
1432:
1428:
1425:
1420:
1415:
1410:
1403:
1398:
1393:
1388:
1386:
1383:
1382:
1376:
1371:
1366:
1359:
1354:
1349:
1344:
1342:
1339:
1338:
1332:
1327:
1322:
1315:
1310:
1309:John Paul Jr.
1305:
1300:
1299:
1295:
1287:
1283:
1277:
1272:
1267:
1260:
1255:
1248:
1245:
1244:
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1236:
1231:
1226:
1219:
1214:
1207:
1204:
1203:
1197:
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1153:
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1136:
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1126:
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1114:
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1101:
1096:
1089:
1086:
1085:
1079:
1072:
1067:
1060:
1057:
1056:
1053:
1048:
1041:
1036:
1029:
1026:
1025:
1019:
1012:
1007:
1000:
997:
996:
990:
983:
978:
971:
968:
967:
964:
959:
949:
942:
939:
938:
935:
930:
924:
919:
909:
902:
899:
898:
888:
887:
879:
876:
871:
869:
865:
861:
856:
852:
848:
844:
840:
836:
832:
827:
825:
821:
817:
813:
809:
801:End of an era
798:
796:
790:
788:
784:
779:
777:
773:
768:
766:
762:
758:
753:
749:
745:
740:
731:
729:
725:
721:
717:
713:
708:
706:
702:
698:
694:
689:
687:
683:
673:
671:
667:
662:
660:
655:
653:
649:
645:
641:
637:
633:
629:
625:
621:
617:
613:
609:
605:
601:
597:
593:
589:
582:GTP class car
581:
577:
569:
560:
557:
553:
549:
545:
540:
538:
534:
530:
526:
522:
519:
514:
510:
508:
503:
498:
496:
492:
488:
484:
480:
476:
472:
468:
463:
460:
455:
451:
449:
443:
441:
437:
427:
425:
424:John Paul Jr.
421:
420:John Paul Sr.
417:
413:
409:
404:
400:
398:
394:
389:
387:
383:
380:In 1981, the
378:
375:
371:
369:
364:
362:
357:
353:
349:
345:
341:
326:
324:
316:
313:
310:
307:
304:
300:
296:
292:
289:
286:
283:and finally,
282:
278:
274:
270:
266:
263:
262:
261:
259:
255:
247:
243:
235:
226:
224:
220:
216:
211:
209:
205:
201:
197:
193:
189:
184:
182:
178:
174:
170:
166:
162:
158:
154:
150:
140:
138:
134:
130:
123:
119:
115:
111:
108:(XJR-16) and
107:
103:
102:Nissan NPT-91
99:
98:Geoff Brabham
95:
94:Chip Robinson
91:
90:Jaguar XJR-16
87:
83:
82:Intrepid RM-1
79:
75:
74:Tommy Kendall
70:
61:
57:
54:North America
53:
49:
46:
43:
39:
35:
30:
22:
5622:Trophy truck
5529:Pro Modified
5422:
5057:Group Rally5
5052:Group Rally4
5047:Group Rally3
5042:Group Rally2
5037:Group Rally1
5032:Groups Rally
4914:Street Stock
4653:Stock Series
4638:NGTC (TCN-1)
4227:Formula Asia
4156:USF Pro 2000
3949:Formula Ford
3919:Formula 1000
3699:Watkins Glen
3684:Summit Point
3664:Road Atlanta
3659:Road America
3587:Road courses
3575:
3395:
3388:
3089:
3036:IMSA History
3017:. Retrieved
3007:
2996:. Retrieved
2992:the original
2988:Car Magazine
2987:
2977:
2961:
2950:. Retrieved
2935:
2924:. Retrieved
2909:
2898:. Retrieved
2884:
2873:. Retrieved
2863:
2852:. Retrieved
2824:. Retrieved
2810:
2799:. Retrieved
2784:
2773:. Retrieved
2758:
2747:. Retrieved
2732:
2721:. Retrieved
2680:
2664:
2615:. Retrieved
2600:
2589:. Retrieved
2574:
2563:. Retrieved
2548:
2514:. Retrieved
2510:the original
2495:
2484:. Retrieved
2455:. Retrieved
2441:
2430:. Retrieved
2426:the original
2416:
2405:. Retrieved
2391:
2380:. Retrieved
2376:the original
2366:
2350:
2299:Andy Wallace
2226:Andy Pilgrim
2154:-Oldsmobile
2147:Wayne Taylor
2101:Fermín Vélez
2049:Steve Millen
2038:Kudzu-Mazda
2034:Wayne Taylor
1909:Steve Millen
1845:John Fergus
1834:Pete Halsmer
1720:Pete Halsmer
1662:Scott Pruett
1651:Tom Hessert
1544:Scott Pruett
1496:Jack Baldwin
1424:Jack Baldwin
1397:Randy Lanier
1369:Wayne Baker
1335:Jim Downing
1280:Len Mueller
1270:Dave Cowart
1259:Brian Redman
1229:Luis Mendez
1151:Dave Cowart
952:Phil Currin
872:
828:
804:
791:
780:
769:
757:Road Atlanta
741:
737:
727:
709:
697:Porsche 2708
690:
679:
663:
658:
656:
632:Eagle Mk III
616:Randy Lanier
600:Brian Redman
585:
541:
533:Nissan 300ZX
529:Roush Racing
515:
511:
499:
471:Safari Rally
456:
452:
444:
439:
435:
433:
405:
401:
390:
379:
376:
372:
367:
365:
337:
334:Camel GT era
320:
314:
308:
294:
290:
268:
264:
251:
246:Robin McCall
212:
192:turbocharged
185:
146:
128:
127:
110:James Weaver
78:Wayne Taylor
5557:Competition
5539:Super Stock
5510:Top Alcohol
4992:Superstocks
4909:Super Stock
4781:Diesel 2000
4663:Top Race V6
4643:TCR (TCN-2)
4454:Radical Cup
4393:spec racing
4317:Palmer Audi
4166:USF Juniors
3969:Formula Vee
3869:auto racing
3867:Classes of
3826:Texas World
3750:San Antonio
3745:New Orleans
3735:Meadowlands
3634:Mid-America
3629:Mexico City
3619:Laguna Seca
3581:(1971–1998)
3579:race venues
2457:5 September
1592:Jim Downing
1580:Porsche 962
1532:Jim Downing
1520:Porsche 962
1485:John Jones
1474:Jim Downing
1462:Porsche 962
1314:Porsche 935
1240:Walt Bohren
1179:Peter Gregg
1161:Dave White
1140:Peter Gregg
1040:Peter Gregg
1011:Peter Gregg
982:Peter Gregg
923:Peter Gregg
912:Dave Heinz
676:Fall of GTP
620:Porsche 962
487:Dennis Aase
416:Porsche 935
303:Mazda RX-7s
301:, and SA22
114:Porsche 962
106:Raul Boesel
5672:Categories
5612:Rallycross
5607:Dune buggy
5455:Appendix K
5151:prototypes
5130:Super 2000
5125:Super 1600
5064:Group R-GT
4982:V8 Hotstox
4857:Late model
4827:car racing
4796:Superstars
4776:Super 2000
4694:Appendix J
4618:car racing
4212:Barber Pro
3811:Pikes Peak
3730:Long Beach
3019:2014-06-23
2998:2007-05-15
2952:2014-06-23
2926:2014-06-23
2900:2014-06-23
2875:2014-06-23
2854:2014-06-23
2826:2014-06-23
2801:2014-06-23
2775:2014-06-23
2749:2014-06-23
2723:2014-06-23
2617:2014-06-23
2591:2014-06-23
2565:2014-06-23
2516:2017-02-12
2486:2014-06-23
2432:2014-06-23
2407:2014-06-23
2382:2014-06-23
2359:References
2060:Joe Pezza
1604:Chris Cord
1515:Al Holbert
1457:Al Holbert
1353:Al Holbert
1111:Walt Maas
1100:Al Holbert
1071:Al Holbert
1022:Walt Maas
759:, the new
724:Hans Stuck
624:Dan Gurney
612:Al Holbert
596:Derek Bell
552:Mazda RX-7
548:Mazda RX-3
544:Mazda RX-2
502:spaceframe
495:Mazda MX-6
479:Chris Cord
473:-winning,
393:Al Holbert
350:, and the
86:Davy Jones
5617:Autocross
5531:(Pro Mod)
5523:Pro Stock
5502:Funny Car
4977:BriSCA F2
4972:BriSCA F1
4867:Modifieds
4658:Supercars
4601:Superkart
4509:Dacia Cup
4431:Lotus Cup
4277:Lightning
3939:Formula E
3821:Talladega
3791:Las Vegas
3781:Charlotte
3669:Riverside
3624:Lime Rock
2332:Mark Simo
2165:Irv Hoerr
2118:Irv Hoerr
1921:Irv Hoerr
1402:March 83G
1358:March 83G
1052:Bob Sharp
882:Champions
860:Champ Car
808:Don Panoz
686:Tampa Bay
539:driving.
361:Joe Camel
215:Don Panoz
116:) in the
100:(both in
5647:Group T5
5642:Group T4
5637:Group T3
5632:Group T2
5627:Group T1
5602:Baja Bug
5594:Off-road
5576:Modified
5496:Dragster
5491:Top Fuel
5352:Trans-Am
5273:IMSA GTP
5256:Group CN
5193:Clubmans
5017:Rallying
4987:Hot Rods
4616:Touring
4606:Electric
4390:One-make
4286:Masters
4250:Chrysler
4231:Formula
4141:Indy NXT
4117:formulae
4114:One-make
3796:Michigan
3715:Columbus
3694:Virginia
3654:Portland
3639:Mid-Ohio
3604:Firebird
3594:Brainerd
3448:Grand-Am
2946:Archived
2920:Archived
2894:Archived
2848:Archived
2820:Archived
2795:Archived
2769:Archived
2743:Archived
2717:Archived
2611:Archived
2585:Archived
2559:Archived
2525:cite web
2480:Archived
2451:Archived
2401:Archived
2340:See also
2071:Jim Pace
862:and the
670:Gebhardt
666:Intrepid
161:Groups 3
41:Category
5580:Pro FWD
5572:Top Gas
5565:Defunct
5553:Altered
5504:(TF/FC)
5388:Group D
5383:Group B
5378:Group 5
5373:Group 4
5368:Group 3
5361:Defunct
5312:touring
5251:Group C
5246:Group A
5241:Group 7
5236:Group 6
5231:Group 5
5226:Group 4
5221:Group 3
5202:Defunct
5149:Sports
5115:Group R
5110:Group N
5105:Group S
5100:Group B
5095:Group A
5090:Group 4
5085:Group 2
5080:Group 1
5073:Defunct
4928:Defunct
4882:Xfinity
4862:Legends
4771:Class 2
4766:Class 1
4761:Group S
4749:Group N
4744:Group H
4739:Group G
4734:Group F
4729:Group E
4724:Group C
4719:Group A
4714:Group 5
4709:Group 2
4704:Group 1
4687:Defunct
4568:Karting
4472:Defunct
4417:Fun Cup
4270:Hyundai
4207:Auto GP
4190:Defunct
4161:USF2000
4013:Defunct
3994:BOSS GP
3974:IndyCar
3877:Formula
3806:Phoenix
3801:Ontario
3786:Daytona
3776:Atlanta
3725:Halifax
3720:Del Mar
3674:Sebring
3644:Mosport
3609:Hallett
3074:seasons
787:Scandia
765:Ferrari
693:IndyCar
588:Group C
563:GTP era
475:Group B
412:Group 5
368:IMSA GT
281:Celicas
273:Cougars
258:Group 4
254:Group 2
200:Group C
196:Group 5
173:Group 1
169:touring
143:History
129:IMSA GT
51:Country
5652:Truggy
5498:(TF/D)
5484:Active
5476:racing
5418:LM GTE
5320:Active
5310:Grand
5159:Active
5025:Active
4940:AUSCAR
4902:Mexico
4892:Canada
4872:NASCAR
4835:Active
4825:Stock
4801:V8Star
4678:TC2000
4626:Active
4400:Active
4307:Nissan
4295:Russia
4282:Maruti
4235:Abarth
4124:Active
3954:FF1600
3887:Active
3879:racing
3816:Pocono
3769:Rovals
3689:Topeka
3679:Sonoma
2969:
2688:
2672:
2656:
2288:-Ford
2215:-Ford
2195:GTS-3
2088:GTS-2
1858:Lights
1438:Lights
843:France
839:NASCAR
718:, and
648:Royale
550:, the
485:, and
462:Toyota
285:300ZXs
277:280zxs
167:) and
131:was a
124:, 1991
118:Nissan
92:) and
59:Folded
5474:Drag
5347:GT300
5342:GT500
5296:S2000
5266:GC-21
4935:ASCAR
4887:Truck
4699:BTC-T
4371:S5000
4327:Rolon
4302:Mazda
4290:China
4265:Swift
4255:König
4025:F5000
4020:F3000
3984:S5000
3755:Tampa
3740:Miami
2192:GTS-2
2189:GTS-1
2085:GTS-1
816:Panoz
752:Exxon
640:Spice
608:March
507:track
467:4T-GT
356:Camel
5525:(PS)
5428:AAGT
5423:IMSA
5289:LMPC
5284:LMP1
5186:LMP3
5181:LMP2
5166:LMDh
4964:Oval
4945:IROC
4842:ARCA
4811:WTCR
4806:WTCC
4791:ETCR
4633:BTCC
4339:2.0L
4240:Alfa
4217:CFGP
4197:A1GP
3914:F600
3530:2013
3525:2012
3520:2011
3515:2010
3510:2009
3505:2008
3500:2007
3495:2006
3490:2005
3485:2004
3480:2003
3475:2002
3470:2001
3465:2000
3434:1999
3429:1998
3412:SCCA
3397:2025
3390:2024
3384:2023
3379:2022
3374:2021
3369:2020
3364:2019
3359:2018
3354:2017
3349:2016
3344:2015
3339:2014
3321:2013
3316:2012
3311:2011
3306:2010
3301:2009
3296:2008
3291:2007
3286:2006
3281:2005
3276:2004
3271:2003
3266:2002
3261:2001
3256:2000
3251:1999
3233:1998
3228:1997
3223:1996
3218:1995
3213:1994
3208:1993
3203:1992
3198:1991
3193:1990
3188:1989
3183:1988
3178:1987
3173:1986
3168:1985
3163:1984
3158:1983
3153:1982
3148:1981
3143:1980
3138:1979
3133:1978
3128:1977
3123:1976
3118:1975
3113:1974
3108:1973
3103:1972
3098:1971
3081:IMSA
2967:ISBN
2686:ISBN
2670:ISBN
2654:ISBN
2540:help
2459:2012
2268:GT3
2255:1998
2182:1997
2135:1996
2078:1995
2021:GTU
2008:1994
1938:1993
1867:GTU
1851:1992
1793:1991
1737:1990
1681:1989
1623:1988
1563:1987
1503:1986
1444:GTU
1431:1985
1385:1984
1341:1983
1296:GTU
1286:1982
1247:1981
1206:1980
1167:1979
1127:GTU
1117:1978
1088:1977
1059:1976
1028:1975
999:1974
970:1973
941:1972
901:1971
895:GTU
889:Year
652:Alba
644:Tiga
636:Argo
604:Lola
546:and
518:Audi
457:The
422:and
342:and
256:and
175:and
163:and
76:and
62:1998
5535:Gas
5448:GTX
5443:GTU
5438:GTS
5433:GTO
5337:GT4
5332:GT2
5327:GT3
5279:LMP
5214:DPi
5176:LMP
5171:LMH
4950:SRX
4877:Cup
4786:DTM
4754:Aus
4596:KZ2
4591:KZ1
4586:KF3
4581:KF2
4576:KF1
4356:GP3
4351:GP2
4322:RUS
4260:LGB
4245:BMW
4222:FA1
4151:SRF
4045:FCJ
3964:GB3
2265:GT2
2262:GT1
2259:WSC
2186:WSC
2082:WSC
2018:GTO
2015:GTS
2012:WSC
1864:GTO
1861:GTS
1855:GTP
1441:GTO
1435:GTP
1293:GTO
1290:GTP
1124:GTO
1121:GTX
892:GTO
864:IRL
841:'s
824:ACO
701:962
668:or
626:'s
459:AAR
410:'s
408:FIA
291:GTU
265:GTO
153:FIA
104:),
5674::
5261:GC
5209:DP
5120:R5
3909:F4
3904:F3
3899:F2
3894:F1
2986:.
2835:^
2696:^
2626:^
2529::
2527:}}
2523:{{
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714:,
707:.
650:,
646:,
521:90
481:,
354:.
315:TU
309:TO
279:,
275:,
157:GT
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4174:2
3860:e
3853:t
3846:v
3568:e
3561:t
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3001:.
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2929:.
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2752:.
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