# 1998 IMSA GT Championship

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28th season of the racing series organized by IMSA

1998 [IMSA GT Championship](/source/IMSA_GT_Championship)

Previous

[1997](/source/1997_IMSA_GT_Championship)

Next

[1999](/source/1999_American_Le_Mans_Series) ([ALMS](/source/American_Le_Mans_Series))

The **1998 [Professional SportsCar Racing](/source/International_Motor_Sports_Association) Championship season** was the 28th season of the [IMSA GT Championship](/source/IMSA_GT_Championship), the final one of the original IMSA. It consisted of an open-cockpit World Sports Car (WSC) class of [prototypes](/source/Le_Mans_Prototype) and [Grand Tourer](/source/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](/source/American_Le_Mans_Series) in 1999, which was supported by the [Automobile Club de l'Ouest](/source/Automobile_Club_de_l'Ouest) (ACO). This series, based on the [24 Hours of Le Mans](/source/24_Hours_of_Le_Mans), was initially previewed during the 1998 season with the running of the inaugural [Petit Le Mans](/source/Petit_Le_Mans). [Professional SportsCar Racing](/source/International_Motor_Sports_Association) remained as the series organizer.

Of note is the lack of the [24 Hours of Daytona](/source/24_Hours_of_Daytona) and the [Six Hours of Watkins Glen](/source/Six_Hours_of_Watkins_Glen), both of which were acquired by the revived [SCCA](/source/SCCA) [United States Road Racing Championship](/source/United_States_Road_Racing_Championship).

## Schedule

Rnd Race Length Circuit Date 1 Superflo 12 Hours of Sebring 12 Hours Sebring International Raceway March 22 2 Toshiba Nevada Grand Prix 3 Hours 45 Minutes Las Vegas Motor Speedway April 26 3 The Dodge Dealers Grand Prix† 1 Hour 45 Minutes Lime Rock Park May 25 4 Sports Car Grand Prix of Road Atlanta 3 Hours 45 Minutes Road Atlanta June 21 5 Mosport Festival 2 Hours 45 Minutes Mosport August 9 6 NAPA Sebring Classic 3 Hours Sebring International Raceway September 20 7 Petit Le Mans 10 Hours or 1000 Miles Road Atlanta October 10 8 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 Sebring #30 MOMO Doran Racing #4 Panoz Motorsports #66 Konrad Motorsport #10 PTG Results Didier Theys Mauro Baldi Gianpiero Moretti Andy Wallace David Brabham Franz Konrad Nick Ham Bill Auberlen Boris Said 2 Las Vegas #7 Doyle-Risi Racing #4 Panoz Motorsports #6 PTG #10 PTG Results Wayne Taylor Eric van de Poele Andy Wallace David Brabham Andy Pilgrim Boris Said Marc Duez Peter Cunningham Ross Bentley 3 Lime Rock #16 Dyson Racing #4 Panoz Motorsports #6 PTG #1 PTG Results Butch Leitzinger James Weaver Andy Wallace David Brabham Boris Said Marc Duez Peter Cunningham Ross Bentley 4 Road Atlanta #16 Dyson Racing #38 Champion Motors #6 PTG #10 PTG Results Butch Leitzinger James Weaver Thierry Boutsen Bob Wollek Boris Said Marc Duez Bill Auberlen Mark Simo 5 Mosport #16 Dyson Racing #4 Panoz Motorsports #6 PTG #10 PTG Results Butch Leitzinger James Weaver Andy Wallace David Brabham Marc Duez Ross Bentley Bill Auberlen Mark Simo 6 Sebring #16 Dyson Racing #4 Panoz Motorsports #99 Schumacher Racing #22 Alex Job Racing Results Butch Leitzinger James Weaver Andy Wallace David Brabham Larry Schumacher John O'Steen Cort Wagner Kelly Collins 7 Road Atlanta #7 Doyle-Risi Racing #38 Champion Motors #81 Freisinger Motorsport #76 Team A.R.E. Results Eric van de Poele Wayne Taylor Emmanuel Collard Thierry Boutsen Bob Wollek Ralf Kelleners Michel Ligonnet Lance Stewart Peter Argetsinger Richard Polidori Angelo Cilli 8 Laguna Seca #2 BMW Motorsport #4 Panoz Motorsports #72 Konrad Motorsport #23 Alex Job Racing Results Bill Auberlen Didier de Radigues Andy Wallace David Brabham Franz Konrad Jan Lammers David Murry 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 Doyle-Risi Racing Ferrari 333 SP Ferrari F310E 4.0 L V12 26 25 19 19 17 11 25 19 161 2 Dyson Racing Riley & Scott Mk III Ford 5.0 L V8 24 25 25 25 25 21 145 3 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 4 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 5 MOMO/Doran Enterprises Ferrari 333 SP Ferrari F310E 4.0 L V12 30 21 10 19 12 15 107 6= Transatlantic Racing Services Riley & Scott Mk III Ford 5.0 L V8 17 14 17 19 19 7 93 6= Matthews-Colucci Racing Riley & Scott Mk III Ford 5.0 L V8 20 14 15 15 15 14 93 8 Dollahite Racing Spice BDG-02 Ferrari 333 SP Chevrolet 6.0 L V8 Ferrari F310E 4.0 L V12 13 17 14 44 9 Genesis Racing Hawk MD3R Mazda 2.0 L 3-Rotor Chevrolet 6.0 L V8 19 11 30 10 Kopf Race Products Keiler KII Ford 5.0 L V8 15 12 27 11 BMW Motorsport Riley & Scott Mk III BMW 4.0 L V8 25 25 12 TRV Motorsports Kudzu DL-4 Chevrolet 6.0 L V8 22 22 13 Porsche AG Porsche LMP1-98 Porsche 3.2 L Turbo Flat-6 21 21 14 Team Cascandia Argo JM20 Chevrolet 6.0 L V8 17 17 15 Denaba Racing Kudzu DLM Buick 4.5 L V6 14 14 16 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 Panoz Motor Sports Panoz Esperante GTR-1 Ford (Roush) 6.0 L V8 30 25 25 21 25 25 21 25 197 2 Champion Motors Porsche 911 GT1 Evo Porsche 3.2 L Turbo Flat-6 26 25 25 76 3 Mosler Automotive Mosler Raptor Chevrolet 6.3 L V8 20 19 19 57 4 Rock Valley Racing Chevrolet Camaro Chevrolet V8 22 22 5 G & W Motorsports Porsche 911 GT1 Evo Porsche 3.2 L Turbo Flat-6 21 21 6 Art Pilla Porsche 911 GT2 Evo Porsche 3.6 L Turbo Flat-6 19 19 7 Robinson Racing Oldsmobile Aurora GTS-1 Oldsmobile 4.0 L V8 18 18 8= John Annis Chevrolet Camaro Chevrolet V8 17 17 8= Porsche AG Porsche 911 GT1-98 Porsche 3.2 L Turbo Flat-6 17 17 10 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 Schumacher Racing Porsche 911 GT2 Porsche 3.6 L Flat-6 22 21 21 21 21 25 17 148 2 Prototype Technology Group BMW M3 BMW 3.2 L I6 25 25 25 25 100 3 Konrad Motorsport Porsche 911 GT2 Porsche 3.6 L Turbo Flat-6 30 21 25 76 4 C.J. Motorsports Porsche 911 GT2 Porsche 3.6 L Turbo Flat-6 24 19 19 62 5 Saleen-Allen Speedlab Saleen Mustang SR Ford 5.9 L V8 26 14 40 6= Martin Snow Racing Porsche 911 GT2 Porsche 3.6 L Turbo Flat-6 19 19 38 6= American Spirit Racing Vector M12 Lamborghini 5.7 L V12 19 19 38 8 David Friedman Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 19 17 36 9 Marcos Racing International Marcos LM600 Chevrolet 6.0 L V8 12 21 33 10 Freisinger Motorsport Porsche 911 GT2 Porsche 3.6 L Turbo Flat-6 25 25 11 Bell Motorsports BMW M3 BMW 3.2 L I6 21 21 12 Rohr Porsche 911 GT2 Evo Porsche 3.6 L Turbo Flat-6 19 19 13 Mark Hein Acura NSX Acura 3.2 L V6 18 18 14= Larbre Compétition Porsche 911 GT2 Porsche 3.6 L Turbo Flat-6 17 17 14= Jon Lewis Vector M12 Lamborghini 5.7 L V12 17 17 16= Cameron Worth Mazda RX-7 Mazda 2.0 L 3-Rotor 15 15 16= Alex Job Racing Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 15 15 18 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 Prototype Technology Group BMW M3 BMW 3.2 L I6 30 25 25 25 25 19 21 21 191 2 Alex Job Racing Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 24 17 19 19 25 12 25 141 3 G & W Motorsports Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 22 19 15 15 71 4 Team A.R.E. Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 20 14 25 11 70 5 AASCO Performance (#55) Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 13 13 17 43 6 Tim Vargo Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 19 15 34 7= The Racer's Group Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 14 19 33 7= AASCO Performance (#17) Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 19 14 33 9 Team Ecuador Nissan 240SX Nissan 2.4 L I4 10 13 23 10= Olive Garden Racing Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 17 17 10= Gordon Zimmerman Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 17 17 12 Bill Radar Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 16 16 13= Phoenix Motorsports Pontiac Firebird Pontiac V8 15 15 13= Technodyne Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 15 15 15= Chris Mitchum Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 14 14 15= T.C. Kline BMW M3 BMW 3.2 L I6 14 14 17 Raymond Boissoneau Mazda RX-7 Mazda 2.0 L 3-Rotor 13 13 18= Reisman Property Interests Chevrolet Camaro Chevrolet V8 12 12 18= Dale White Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 12 12 20 First Union Porsche 911 Carrera RSR Porsche 3.8 L Flat-6 11 11

## External links

- [World Sports Racing Prototypes](https://web.archive.org/web/20081011084725/http://wsrp.ic.cz/imsa1998.html) - 1998 IMSA GT Championship season results

v t e International Motor Sports Association seasons IMSA Camel GT / Exxon Championship 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 American Le Mans Series 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 IMSA SportsCar Championship 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 SCCA US Road Racing Championship 1998 1999 Grand-Am Rolex Sports Car Series 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

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Adapted from the Wikipedia article [1998 IMSA GT Championship](https://en.wikipedia.org/wiki/1998_IMSA_GT_Championship) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/1998_IMSA_GT_Championship?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.