1993 All Japan Grand Touring Car Championship

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The 1993 All Japan Grand Touring Car Championship was the inaugural season of the Japan Automobile Federation All-Japan Grand Touring Car Championship and the successor series to the All Japan Sports Prototype Championship as international prototypes were in a state of flux in the early 1990s, and sportscar racing globally had switched from prototypes to grand tourers. It was marked as well as the eleventh season of a JAF-sanctioned sports car racing championship dating back to the All Japan Sports Prototype Championship. [1]

Contents

Most events were staged as joint-races with the upstart Japan Super Sports Sedan Championship, and the IMSA GT Championship, with only a small handful of cars entered in the "GTS" category that would later evolve into the current GT500 class - and in fact, only one such car took part in that year's Suzuka 1000km against several Group C prototypes and sports cars from the N1 Endurance Series. Because the format and structure of the races were so different from what would come in future seasons, the 1993 season is not recognized by the GT Association (GTA), who were incorporated in 1994 to promote the All-Japan GT Championship (later to become Super GT).

The championship was contested over four rounds, [2] and Masahiko Kageyama was declared the champion, driving a Nissan Skyline GT-R. [3] He would also win the final All-Japan Touring Car Championship to be run to Group A regulations in the same year.

Drivers and teams

GT1

TeamMakeCarEngineNo.DriversTyreRounds
NISMO [N 1] Nissan Nissan Skyline GT-R Nissan RB26DETT 2.6 L Twin Turbo I6 2 Flag of Japan.svg Masahiko Kageyama B 1–2, 4
Joe Llauget Oldsmobile Oldsmobile Cutlass IMSA GTO Oldsmobile 6.0 L V8 12 Flag of the United States.svg Joe Llauget G 1
Lindley Racing [N 2] Ford Ford Mustang IMSA GTO Ford 6.0 L V8 48 Flag of the United States.svg Les Lindley G 1
Tommy Riggins Oldsmobile Oldsmobile Cutlass IMSA GTO Oldsmobile 6.0 L V8 53 Flag of the United States.svg Tommy Riggins G 1

GT2

TeamMakeCarEngineNo.DriversTyreRounds
NISMO Nissan Nissan Silvia Nissan FJ20DET 2.0 L Turbo I4 3 Flag of Japan.svg Takayuki Kinoshita Y 1–2
Flag of Japan.svg Hideo Fukuyama 4
Auberlen Racing Concepts [N 3] Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 19 Flag of the United States.svg Bill Auberlen Y 1
Jack Lewis Enterprises Porsche Porsche 964 RS Porsche M64/03 3.8 L F6 73 Flag of the United States.svg Jack Lewis Y 1
Leitzinger Racing Nissan Nissan Silvia Nissan VQ30DE 3.0 L V6 95 Flag of the United States.svg Bob Leitzinger T 1
97 Flag of the United States.svg Frank Honsowetz 1

JSS

TeamMakeCarEngineNo.DriversTyreRounds
RS Nakaharu Nissan Nissan Silvia Nissan FJ20DET 2.0 L Turbo I6 5 Flag of Japan.svg Hiroyasu Aoyagi B 1–2, 4
24 Flag of Japan.svg Seiichi Sodeyama 1–2, 4
25 Flag of Japan.svg Minoru Saotome 2
RE Amemiya Racing Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 6 Flag of Japan.svg Katsuo Kobayashi D 1
10 Flag of Japan.svg Tadashi Mizuno 1–2, 4
ERC Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 9 Flag of Japan.svg Tetsuya Kawasaki D 1
11 Flag of Japan.svg Takemasa Okazaki 1–2
12 Flag of Japan.svg Tetsuya Kawasaki 4
Hiromoto Ishimori Nissan Nissan Skyline GTS-R Nissan RB20DET 2.0 L Turbo I6 13 Flag of Japan.svg Hiromoto Ishimori B 1–2, 4
Katsumi Mochizuki Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 17 Flag of Japan.svg Katsumi Mochizuki D 1–2
Kenji Tohira Nissan Nissan Skyline GTS-R Nissan RB20DET 2.0 L Turbo I6 22 Flag of Japan.svg Kenji Tohira B 1–2
Atsushi Hayakawa Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 33 Flag of Japan.svg Atsushi Hayakawa D 1–2
Tetsuo Kozai Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 37 Flag of Japan.svg Tetsuo Kozai D 1–2, 4
Shunichi Mori Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 39 Flag of Japan.svg Shunichi Mori D 1–2, 4
Katsutoshi Ito Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 40 Flag of Japan.svg Katsutoshi Ito D 1, 4
Toshiro Fukazawa Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 55 Flag of Japan.svg Toshiro Fukazawa D 1–2, 4
Yoshimi Ishibashi Nissan Nissan Skyline GTS-R Nissan RB20DET 2.0 L Turbo I6 70 Flag of Japan.svg Yoshimi Ishibashi Y 1–2, 4

C1

TeamMakeCarEngineNo.DriversTyreRounds
Le Mans Company Nissan Nissan R92CP Nissan VRH35Z 3.5 L Twin Turbo V8 25 Flag of Japan.svg Takao Wada B 3
Flag of Japan.svg Toshio Suzuki 3
Nova Engineering Nissan Nissan R90CK Nissan VRH35Z 3.5 L Twin Turbo V8 27 Flag of Italy.svg Mauro Martini B 3
Flag of Germany.svg Heinz-Harald Frentzen 3

GT-N3

TeamMakeCarEngineNo.DriversTyreRounds
NISMO [N 4] Nissan Nissan Skyline GT-R Nissan RB26DETT 2.6 L Twin Turbo I6 2 Flag of Japan.svg Masahiko Kageyama B 3
Flag of the United States.svg Jeff Krosnoff 3

GTS

TeamMakeCarEngineNo.DriversTyreRounds
Competition Motorsport South Chevrolet Chevrolet Camaro Chevrolet 6.0 L V8 11 Flag of the United States.svg Ken Bupp G 3
Flag of Canada (Pantone).svg Robert Peters 3
Flag of the United States.svg Luis Sereix 3
Lindley Racing [N 5] Ford Ford Mustang IMSA GTO Ford 6.0 L V8 48 Flag of the United States.svg Les Lindley G 3
Flag of the United States.svg Bob Sobey 3

GTU

TeamMakeCarEngineNo.DriversTyreRounds
Dibós Racing Team Peru Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 84 Flag of Peru.svg Eduardo Dibós Y 3
Flag of Peru.svg Juan Dibós 3

Lights

TeamMakeCarEngineNo.DriversTyreRounds
Comptech Acura Spice Racing Spice Spice SE91P Acura 3.0 L V6 49 Flag of the United States.svg Parker Johnstone G 3
Flag of the United States.svg Dan Marvin 3

LM GT4

TeamMakeCarEngineNo.DriversTyreRounds
Roock Racing Porsche Porsche 964 RSR Porsche M64/03 3.8 L F6 37 Flag of Germany.svg Dieter Köll P 3
Flag of France.svg Philippe Albera 3
Flag of Japan.svg Akihiko Nakaya 3
Chamberlain Engineering Lotus Lotus Esprit Sport 200 Lotus 912 2.2 L I4 44 Flag of Ireland.svg Gordon Kellett P 3
Flag of Japan.svg Hideshi Matsuda 3
Flag of Japan.svg Tomiko Yoshikawa 3
45 Flag of Japan.svg Yojiro Terada 3
Flag of Japan.svg Tetsuya Ota 3
Flag of the Netherlands.svg Tom Langeberg 3
Larbre Compétition Porsche Porsche 964 RSR Porsche M64/03 3.8 L F6 47 Flag of France.svg Dominique Dupuy Y 3
Flag of Spain.svg Jesús Pareja 3
Flag of France.svg Jack Laconte 3
HEICO Motorsport Porsche Porsche 964 RSR Porsche M64/03 3.8 L F6 65 Flag of Germany.svg Jürgen Barth Y 3
Flag of Germany.svg Dirk Ebeling 3
Flag of Germany.svg Karl-Heinz Wlazik 3

N1-1

TeamMakeCarEngineNo.DriversTyreRounds
Motor Sport Division Nissan Nissan Skyline GT-R Nissan RB26DETT 2.6 L Twin Turbo I6 1 Flag of Japan.svg Masami Miyoshi D 3
Flag of Japan.svg Motoji Sekine 3
Beldear Corporation Nissan Nissan Skyline GT-R Nissan RB26DETT 2.6 L Twin Turbo I6 7 Flag of Japan.svg Hideo Fukuyama T 3
Flag of Japan.svg Kumi Sato 3
Revolver Nissan Nissan Skyline GT-R Nissan RB26DETT 2.6 L Twin Turbo I6 8 Flag of Japan.svg Yoshinori Hasegawa Y 3
Flag of Japan.svg Motonobu Sakamoto 3
Knight Sport Mazda Mazda RX-7 Mazda RE13B 1.3 L 2-rotor 9 Flag of Japan.svg Fuminori Mizuno Y 3
Flag of Japan.svg Yasuo Kusakabe 3
Flag of Japan.svg Yasufumi Yamazaki 3
Susuki Racing Mechanics Nissan Nissan Skyline GT-R Nissan RB26DETT 2.6 L Twin Turbo I6 15 Flag of Japan.svg Katsuhiko Okamoto Y 3
Flag of Japan.svg Shinya Motoyoshi 3
Team Actor Nissan Nissan Skyline GT-R Nissan RB26DETT 2.6 L Twin Turbo I6 16 Flag of Japan.svg Junya Oshima T 3
Flag of Japan.svg Akihiko Koto 3
Flag of Japan.svg Yoichi Fukudome 3

N1-2

TeamMakeCarEngineNo.DriversTyreRounds
Nakajima Planning Honda Honda Prelude Honda H22A 2.2 L I4 6 Flag of Japan.svg Koji Sato B 3
Flag of Japan.svg Hidetoshi Mitsusada 3
Gazas Honda Honda Prelude Honda H22A 2.2 L I4 21 Flag of Japan.svg Kazuo Shimizu T 3
Flag of Japan.svg Masami Kageyama 3
Flag of Japan.svg Takahiko Hara 3
Formula Spirit Honda Honda Prelude Honda H22A 2.2 L I4 26 Flag of France.svg Daniel Latour T 3
Flag of Japan.svg Takeshi Tsuchiya 3
Flag of Japan.svg Tatsuya Tanigawa 3

N1-3

TeamMakeCarEngineNo.DriversTyreRounds
Team A-One Honda Honda Civic SiR Honda B16A2 1.6 L I4 6 Flag of Japan.svg Ryo Michigami T 3
Flag of Japan.svg Atsushi Okuda 3
Flag of Japan.svg Yoshihisa Fujita 3

RS

TeamMakeCarEngineNo.DriversTyreRounds
Cosmos Racing Oscar Oscar SK90 Mazda RE13B 1.3 L 2-rotor 5 Flag of Japan.svg Masaki Ohashi D 3
Flag of Japan.svg Katsunori Yamamoto 3
Flag of Japan.svg Yoshifumi Yamazaki 3
73 Flag of Japan.svg Yoichiro Suzuki 3
Flag of Japan.svg Akio Tomita 3
Flag of Japan.svg Naoto Chikada 3
Trident Oscar Oscar SK90 Mazda RE13B 1.3 L 2-rotor 10 Flag of Japan.svg Koichi Hamada D 3
Flag of Japan.svg Minetaka Mizuno 3
Flag of Japan.svg Tadayuki Sato 3
Car Graphic Racing Team Oscar Oscar SK90 Mazda RE13B 1.3 L 2-rotor 17 Flag of Japan.svg Masayoshi Furuya D 3
Flag of Japan.svg Masahiro Tejima 3
Flag of Japan.svg Hisashi Tukahara 3
Mascrat Racing Team Oscar Oscar SK90 Mazda RE13B 1.3 L 2-rotor 23 Flag of Japan.svg Tsuguo Yagyu Y 3
Flag of Japan.svg Mari Nagata 3
Flag of Japan.svg Katsuto Kinugasa 3
Mitsuo Yamamoto Oscar Oscar SK90 Mazda RE13B 1.3 L 2-rotor 51 Flag of Japan.svg Mitsuo Yamamoto D 3
Flag of Japan.svg Genji Hashimoto 3
Jikanwari West West 89S Mazda RE13B 1.3 L 2-rotor 52 Flag of Japan.svg Tomohiro Tomasu D 3
Flag of Japan.svg Michiko Hashimoto 3
IZUMODEN Oscar Oscar SK90 Mazda RE13B 1.3 L 2-rotor 55 Flag of Japan.svg Yoshiyuki Ogura Y 3
Flag of Japan.svg Keiichi Mizutani 3
Flag of Japan.svg Hajime Oshiro 3

Schedule

RoundRaceCircuitDate
1 Flag of Japan.svg IMSA GT Fuji Fuji Speedway March 28
2 Flag of Japan.svg Fuji 6 Hours Fuji Speedway May 30
3 Flag of Japan.svg Suzuka 1000 km Suzuka Circuit August 29
4 Flag of Japan.svg Fuji F3000 Fuji Speedway October 17

Race results

RoundCircuitDatePole PositionWinner
1 Flag of Japan.svg Fuji Speedway March 28#2 NISMO #2 NISMO
Flag of Japan.svg Masahiko Kageyama Flag of Japan.svg Masahiko Kageyama
2 Flag of Japan.svg Fuji Speedway May 30#2 NISMO #2 NISMO
Flag of Japan.svg Masahiko Kageyama Flag of Japan.svg Masahiko Kageyama
3 Flag of Japan.svg Suzuka Circuit August 29#27 Nova Engineering#25 Le Mans Company
Flag of Italy.svg Mauro Martini
Flag of Germany.svg Heinz-Harald Frentzen
Flag of Japan.svg Takao Wada
Flag of Japan.svg Toshio Suzuki
4 Flag of Japan.svg Fuji Speedway October 17#2 NISMO #2 NISMO
Flag of Japan.svg Masahiko Kageyama Flag of Japan.svg Masahiko Kageyama

Notes

    1. Competed in GT-N3 class in round 3
    2. Competed in GTS class in round 3
    3. Entered into round 3 in GTU class with Auberlen and John Morton but did not arrive
    4. Competed in GT1 class in all other rounds
    5. Competed in GT1 class in round 1

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      References

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      2. "JGTC 1993". wspr-racing.com. 10 April 2003. Retrieved 6 March 2010.
      3. "JGTC – final positions and tables". classicscars.com. 10 April 2003. Retrieved 6 March 2010.