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1998 IMSA GT Championship
28th season of the racing series organized by IMSA
28th season of the racing series organized by IMSA
The 1998 Professional SportsCar Racing Championship season was the 28th season of the IMSA GT Championship, the final one of the original IMSA. It consisted of an open-cockpit World Sports Car (WSC) class of prototypes and Grand Tourer-style racing cars divided into GT1, GT2, and GT3 classes. It began March 22, 1998, and ended October 25, 1998, after eight rounds.
The IMSA GT Championship was replaced by the American Le Mans Series in 1999, which was supported by the Automobile Club de l'Ouest (ACO). This series, based on the 24 Hours of Le Mans, was initially previewed during the 1998 season with the running of the inaugural Petit Le Mans. Professional SportsCar Racing remained as the series organizer.
Of note is the lack of the 24 Hours of Daytona and the Six Hours of Watkins Glen, both of which were acquired by the revived SCCA United States Road Racing Championship.
Schedule
| Rnd | Race | Length | Circuit | Date | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Superflo 12 Hours of Sebring | 12 Hours | Sebring International Raceway | March 22 | |||||||||
| Toshiba Nevada Grand Prix | 3 Hours 45 Minutes | Las Vegas Motor Speedway | April 26 | |||||||||
| The Dodge Dealers Grand Prix† | 1 Hour 45 Minutes | Lime Rock Park | May 25 | |||||||||
| Sports Car Grand Prix of Road Atlanta | 3 Hours 45 Minutes | Road Atlanta | June 21 | |||||||||
| Mosport Festival | 2 Hours 45 Minutes | Mosport | August 9 | |||||||||
| NAPA Sebring Classic | 3 Hours | Sebring International Raceway | September 20 | |||||||||
| Petit Le Mans | 10 Hours or 1000 Miles | Road Atlanta | October 10 | |||||||||
| Visa Sports Car Championships | 2 Hours 30 Minutes | Laguna Seca Raceway | October 25 |
† - Two separate races were held for Lime Rock: One for WSC, one for the GT classes.
Season results
| Rnd | Circuit | WSC Winning Team | GT1 Winning Team | GT2 Winning Team | GT3 Winning Team | Results | WSC Winning Drivers | GT1 Winning Drivers | GT2 Winning Drivers | GT3 Winning Drivers | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sebring | United States #30 MOMO Doran Racing | United States #4 Panoz Motorsports | Germany #66 Konrad Motorsport | United States #10 PTG | Results | |||||||||||||
| Belgium Didier Theys | ||||||||||||||||||
| Italy Mauro Baldi | ||||||||||||||||||
| Italy Gianpiero Moretti | United Kingdom Andy Wallace | |||||||||||||||||
| Australia David Brabham | Austria Franz Konrad | |||||||||||||||||
| United States Nick Ham | United States Bill Auberlen | |||||||||||||||||
| United States Boris Said | ||||||||||||||||||
| Las Vegas | United States #7 Doyle-Risi Racing | United States #4 Panoz Motorsports | United States #6 PTG | United States #10 PTG | Results | |||||||||||||
| South Africa Wayne Taylor | ||||||||||||||||||
| Belgium Eric van de Poele | United Kingdom Andy Wallace | |||||||||||||||||
| Australia David Brabham | United States Andy Pilgrim | |||||||||||||||||
| United States Boris Said | ||||||||||||||||||
| Belgium Marc Duez | United States Peter Cunningham | |||||||||||||||||
| Canada Ross Bentley | ||||||||||||||||||
| Lime Rock | United States #16 Dyson Racing | United States #4 Panoz Motorsports | United States #6 PTG | United States #1 PTG | Results | |||||||||||||
| United States Butch Leitzinger | ||||||||||||||||||
| United Kingdom James Weaver | United Kingdom Andy Wallace | |||||||||||||||||
| Australia David Brabham | United States Boris Said | |||||||||||||||||
| Belgium Marc Duez | United States Peter Cunningham | |||||||||||||||||
| Canada Ross Bentley | ||||||||||||||||||
| Road Atlanta | United States #16 Dyson Racing | United States #38 Champion Motors | United States #6 PTG | United States #10 PTG | Results | |||||||||||||
| United States Butch Leitzinger | ||||||||||||||||||
| United Kingdom James Weaver | Belgium Thierry Boutsen | |||||||||||||||||
| France Bob Wollek | United States Boris Said | |||||||||||||||||
| Belgium Marc Duez | United States Bill Auberlen | |||||||||||||||||
| United States Mark Simo | ||||||||||||||||||
| Mosport | United States #16 Dyson Racing | United States #4 Panoz Motorsports | United States #6 PTG | United States #10 PTG | Results | |||||||||||||
| United States Butch Leitzinger | ||||||||||||||||||
| United Kingdom James Weaver | United Kingdom Andy Wallace | |||||||||||||||||
| Australia David Brabham | Belgium Marc Duez | |||||||||||||||||
| Canada Ross Bentley | United States Bill Auberlen | |||||||||||||||||
| United States Mark Simo | ||||||||||||||||||
| Sebring | United States #16 Dyson Racing | United States #4 Panoz Motorsports | United States #99 Schumacher Racing | United States #22 Alex Job Racing | Results | |||||||||||||
| United States Butch Leitzinger | ||||||||||||||||||
| United Kingdom James Weaver | United Kingdom Andy Wallace | |||||||||||||||||
| Australia David Brabham | United States Larry Schumacher | |||||||||||||||||
| United States John O'Steen | United States Cort Wagner | |||||||||||||||||
| United States Kelly Collins | ||||||||||||||||||
| Road Atlanta | United States #7 Doyle-Risi Racing | United States #38 Champion Motors | Germany #81 Freisinger Motorsport | United States #76 Team A.R.E. | Results | |||||||||||||
| Belgium Eric van de Poele | ||||||||||||||||||
| South Africa Wayne Taylor | ||||||||||||||||||
| France Emmanuel Collard | Belgium Thierry Boutsen | |||||||||||||||||
| France Bob Wollek | ||||||||||||||||||
| Germany Ralf Kelleners | France Michel Ligonnet | |||||||||||||||||
| United States Lance Stewart | United States Peter Argetsinger | |||||||||||||||||
| United States Richard Polidori | ||||||||||||||||||
| Italy Angelo Cilli | ||||||||||||||||||
| Laguna Seca | Germany #2 BMW Motorsport | United States #4 Panoz Motorsports | Germany #72 Konrad Motorsport | United States #23 Alex Job Racing | Results | |||||||||||||
| United States Bill Auberlen | ||||||||||||||||||
| Belgium Didier de Radigues | United Kingdom Andy Wallace | |||||||||||||||||
| Australia David Brabham | Austria Franz Konrad | |||||||||||||||||
| Netherlands Jan Lammers | United States David Murry | |||||||||||||||||
| United States Cort Wagner |
Teams Championship
Points are awarded to the finishers in the following order:
- 25-21-19-17-15-14-13-12-11-10-... Exception however for the 12 Hours of Sebring, which awarded in the following order:
- 30-26-24-22-20-19-18-17-16-15-...
Teams only score the points of their highest finishing entry in each race.
WSC Standings
| Pos | Team | Chassis | Engine | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Rd 5 | Rd 6 | Rd 7 | Rd 8 | Total | 1 | 2 | 3 | 4 | 5 | 6= | 6= | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| United States Doyle-Risi Racing | Ferrari 333 SP | Ferrari F310E 4.0 L V12 | 26 | 25 | 19 | 19 | 17 | 11 | 25 | 19 | 161 | |||||||||||||||||
| United States Dyson Racing | Riley & Scott Mk III | Ford 5.0 L V8 | 24 | 25 | 25 | 25 | 25 | 21 | 145 | |||||||||||||||||||
| United States Downing Atlanta | Kudzu DLM | |||||||||||||||||||||||||||
| Kudzu DLY | Mazda 2.0 L 3-Rotor | |||||||||||||||||||||||||||
| Mazda R26B 2.6 L 4-Rotor | 15 | 21 | 13 | 14 | 14 | 13 | 15 | |||||||||||||||||||||
| 13 | 118 | |||||||||||||||||||||||||||
| United States Intersport Racing | Riley & Scott Mk III | |||||||||||||||||||||||||||
| Spice SC95 | Ford 5.0 L V8 | |||||||||||||||||||||||||||
| Oldsmobile Aurora 4.0 L V8 | 18 | |||||||||||||||||||||||||||
| 19 | 11 | 9 | 15 | 12 | 13 | 17 | 114 | |||||||||||||||||||||
| United States MOMO/Doran Enterprises | Ferrari 333 SP | Ferrari F310E 4.0 L V12 | 30 | 21 | 10 | 19 | 12 | 15 | 107 | |||||||||||||||||||
| United States Transatlantic Racing Services | Riley & Scott Mk III | Ford 5.0 L V8 | 17 | 14 | 17 | 19 | 19 | 7 | 93 | |||||||||||||||||||
| United States Matthews-Colucci Racing | Riley & Scott Mk III | Ford 5.0 L V8 | 20 | 14 | 15 | 15 | 15 | 14 | 93 | |||||||||||||||||||
| United States Dollahite Racing | Spice BDG-02 | |||||||||||||||||||||||||||
| Ferrari 333 SP | Chevrolet 6.0 L V8 | |||||||||||||||||||||||||||
| Ferrari F310E 4.0 L V12 | 13 | |||||||||||||||||||||||||||
| 17 | ||||||||||||||||||||||||||||
| 14 | 44 | |||||||||||||||||||||||||||
| United States Genesis Racing | Hawk MD3R | Mazda 2.0 L 3-Rotor | ||||||||||||||||||||||||||
| Chevrolet 6.0 L V8 | 19 | |||||||||||||||||||||||||||
| 11 | 30 | |||||||||||||||||||||||||||
| United States Kopf Race Products | Keiler KII | Ford 5.0 L V8 | 15 | 12 | 27 | |||||||||||||||||||||||
| Germany BMW Motorsport | Riley & Scott Mk III | BMW 4.0 L V8 | 25 | 25 | ||||||||||||||||||||||||
| United States TRV Motorsports | Kudzu DL-4 | Chevrolet 6.0 L V8 | 22 | 22 | ||||||||||||||||||||||||
| Germany Porsche AG | Porsche LMP1-98 | Porsche 3.2 L Turbo Flat-6 | 21 | 21 | ||||||||||||||||||||||||
| United States Team Cascandia | Argo JM20 | Chevrolet 6.0 L V8 | 17 | 17 | ||||||||||||||||||||||||
| United States Denaba Racing | Kudzu DLM | Buick 4.5 L V6 | 14 | 14 | ||||||||||||||||||||||||
| United States Fantasy Junction | Cannibal | Chevrolet 6.0 L V8 | 10 | 10 |
GT1 Standings
| Pos | Team | Chassis | Engine | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Rd 5 | Rd 6 | Rd 7 | Rd 8 | Total | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8= | 8= | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| United States Panoz Motor Sports | Panoz Esperante GTR-1 | Ford (Roush) 6.0 L V8 | 30 | 25 | 25 | 21 | 25 | 25 | 21 | 25 | 197 | |||||||||||
| United States Champion Motors | Porsche 911 GT1 Evo | Porsche 3.2 L Turbo Flat-6 | 26 | 25 | 25 | 76 | ||||||||||||||||
| United States Mosler Automotive | Mosler Raptor | Chevrolet 6.3 L V8 | 20 | 19 | 19 | 57 | ||||||||||||||||
| United States Rock Valley Racing | Chevrolet Camaro | Chevrolet V8 | 22 | 22 | ||||||||||||||||||
| United States G & W Motorsports | Porsche 911 GT1 Evo | Porsche 3.2 L Turbo Flat-6 | 21 | 21 | ||||||||||||||||||
| United States Art Pilla | Porsche 911 GT2 Evo | Porsche 3.6 L Turbo Flat-6 | 19 | 19 | ||||||||||||||||||
| United States Robinson Racing | Oldsmobile Aurora GTS-1 | Oldsmobile 4.0 L V8 | 18 | 18 | ||||||||||||||||||
| United States John Annis | Chevrolet Camaro | Chevrolet V8 | 17 | 17 | ||||||||||||||||||
| Germany Porsche AG | Porsche 911 GT1-98 | Porsche 3.2 L Turbo Flat-6 | 17 | 17 | ||||||||||||||||||
| United States Greg Malvaso | Chevrolet Camaro | Chevrolet V8 | 16 | 16 |
GT2 Standings
| Pos | Team | Chassis | Engine | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Rd 5 | Rd 6 | Rd 7 | Rd 8 | Total | 1 | 2 | 3 | 4 | 5 | 6= | 6= | 8 | 9 | 10 | 11 | 12 | 13 | 14= | 14= | 16= | 16= | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| United States Schumacher Racing | Porsche 911 GT2 | Porsche 3.6 L Flat-6 | 22 | 21 | 21 | 21 | 21 | 25 | 17 | 148 | ||||||||||||||||||||
| United States Prototype Technology Group | BMW M3 | BMW 3.2 L I6 | 25 | 25 | 25 | 25 | 100 | |||||||||||||||||||||||
| Germany Konrad Motorsport | Porsche 911 GT2 | Porsche 3.6 L Turbo Flat-6 | 30 | 21 | 25 | 76 | ||||||||||||||||||||||||
| Canada C.J. Motorsports | Porsche 911 GT2 | Porsche 3.6 L Turbo Flat-6 | 24 | 19 | 19 | 62 | ||||||||||||||||||||||||
| United States Saleen-Allen Speedlab | Saleen Mustang SR | Ford 5.9 L V8 | 26 | 14 | 40 | |||||||||||||||||||||||||
| United States Martin Snow Racing | Porsche 911 GT2 | Porsche 3.6 L Turbo Flat-6 | 19 | 19 | 38 | |||||||||||||||||||||||||
| United States American Spirit Racing | Vector M12 | Lamborghini 5.7 L V12 | 19 | 19 | 38 | |||||||||||||||||||||||||
| United States David Friedman | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 19 | 17 | 36 | |||||||||||||||||||||||||
| Netherlands Marcos Racing International | Marcos LM600 | Chevrolet 6.0 L V8 | 12 | 21 | 33 | |||||||||||||||||||||||||
| Germany Freisinger Motorsport | Porsche 911 GT2 | Porsche 3.6 L Turbo Flat-6 | 25 | 25 | ||||||||||||||||||||||||||
| United States Bell Motorsports | BMW M3 | BMW 3.2 L I6 | 21 | 21 | ||||||||||||||||||||||||||
| United States Rohr | Porsche 911 GT2 Evo | Porsche 3.6 L Turbo Flat-6 | 19 | 19 | ||||||||||||||||||||||||||
| United States Mark Hein | Acura NSX | Acura 3.2 L V6 | 18 | 18 | ||||||||||||||||||||||||||
| France Larbre Compétition | Porsche 911 GT2 | Porsche 3.6 L Turbo Flat-6 | 17 | 17 | ||||||||||||||||||||||||||
| United States Jon Lewis | Vector M12 | Lamborghini 5.7 L V12 | 17 | 17 | ||||||||||||||||||||||||||
| United States Cameron Worth | Mazda RX-7 | Mazda 2.0 L 3-Rotor | 15 | 15 | ||||||||||||||||||||||||||
| United States Alex Job Racing | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 15 | 15 | ||||||||||||||||||||||||||
| United States Charles Coker Jr. | Porsche 968 Turbo RS | Porsche 3.0 L Turbo I4 | 13 | 13 |
GT3 Standings
| Pos | Team | Chassis | Engine | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Rd 5 | Rd 6 | Rd 7 | Rd 8 | Total | 1 | 2 | 3 | 4 | 5 | 6 | 7= | 7= | 9 | 10= | 10= | 12 | 13= | 13= | 15= | 15= | 17 | 18= | 18= | 20 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| United States Prototype Technology Group | BMW M3 | BMW 3.2 L I6 | 30 | 25 | 25 | 25 | 25 | 19 | 21 | 21 | 191 | |||||||||||||||||||||
| United States Alex Job Racing | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 24 | 17 | 19 | 19 | 25 | 12 | 25 | 141 | ||||||||||||||||||||||
| United States G & W Motorsports | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 22 | 19 | 15 | 15 | 71 | |||||||||||||||||||||||||
| United States Team A.R.E. | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 20 | 14 | 25 | 11 | 70 | |||||||||||||||||||||||||
| United States AASCO Performance (#55) | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 13 | 13 | 17 | 43 | ||||||||||||||||||||||||||
| United States Tim Vargo | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 19 | 15 | 34 | |||||||||||||||||||||||||||
| United States The Racer's Group | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 14 | 19 | 33 | |||||||||||||||||||||||||||
| United States AASCO Performance (#17) | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 19 | 14 | 33 | |||||||||||||||||||||||||||
| Ecuador Team Ecuador | Nissan 240SX | Nissan 2.4 L I4 | 10 | 13 | 23 | |||||||||||||||||||||||||||
| United States Olive Garden Racing | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 17 | 17 | ||||||||||||||||||||||||||||
| United States Gordon Zimmerman | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 17 | 17 | ||||||||||||||||||||||||||||
| United States Bill Radar | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 16 | 16 | ||||||||||||||||||||||||||||
| United States Phoenix Motorsports | Pontiac Firebird | Pontiac V8 | 15 | 15 | ||||||||||||||||||||||||||||
| United States Technodyne | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 15 | 15 | ||||||||||||||||||||||||||||
| United States Chris Mitchum | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 14 | 14 | ||||||||||||||||||||||||||||
| United States T.C. Kline | BMW M3 | BMW 3.2 L I6 | 14 | 14 | ||||||||||||||||||||||||||||
| United States Raymond Boissoneau | Mazda RX-7 | Mazda 2.0 L 3-Rotor | 13 | 13 | ||||||||||||||||||||||||||||
| United States Reisman Property Interests | Chevrolet Camaro | Chevrolet V8 | 12 | 12 | ||||||||||||||||||||||||||||
| United States Dale White | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 12 | 12 | ||||||||||||||||||||||||||||
| United States First Union | Porsche 911 Carrera RSR | Porsche 3.8 L Flat-6 | 11 | 11 |
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