DEFUNCT SERIES/EVENTS / Sportscars / All-Japan Sports-Prototype Championship (1983-1992)

All-Japan Sports-Prototype Championship (1983-1992)

1983 (Champion: Naohiro Fujita/Vern Schuppan)
1. Suzuka, Apr 3-Naohiro Fujita (J)/Vern Schuppan (AUS)-Trust Porsche 956
2. Suzuka, Aug 28-Naohiro Fujita (J)/Vern Schuppan (AUS)-Trust Porsche 956
3. Fuji, Oct 2-Derek Bell (GB)/Stefan Bellof (D)-Works Porsche 956

1984 (Champion: Naoki Nagasaka/Keiichi Suzuki)
1. Suzuka, Apr 1-Yoshimi Katayama (J)/Vern Schuppan (AUS)-Trust Porsche 956
2. Tsukuba, Jul 1-Taku Akaike (J)/Tooru Shimegi (J)-Team Taku Mazda 83C
3. Suzuka, Aug 30-Geoff Lees (GB)/Kenji Takahashi (J)/Kunimitsu Takahashi (J)-Nova Engineering Porsche 956
4. Fuji, Sep 30-Stefan Bellof (D)/John Watson (GB)-Works Porsche 956

1985 (Champion: Kenji Takahashi/Kunimitsu Takahashi)
1. Suzuka, Apr 7-Eje Elgh (S)/Geoff Lees (GB)-Dome Motorsport Dome 84C-Toyota
2. Fuji, May 5-Vern Schuppan (AUS)/Keiichi Suzuki (J)-Trust Porsche 956
3. Fuji, Jul 28-Kenji Takahashi (J)/Kunimitsu Takahashi (J)-Nova Engineering Porsche 962C
4. Suzuka, Aug 25-Kenji Takahashi (J)/Kunimitsu Takahashi (J)-Nova Engineering Porsche 962C
5. Fuji, Oct 6-Kazuyoshi Hoshino (J)-Hoshino Racing March 85G-Nissan
6. Fuji, Nov 24-Kenji Takahashi (J)/Kunimitsu Takahashi (J)-Nova Engineering Porsche 962C

1986 (Champion: Kenji Takahashi/Kunimitsu Takahashi)
1. Suzuka, Apr 6-Kenji Takahashi (J)/Kunimitsu Takahashi (J)-Nova Engineering Porsche 962C
2. Fuji, May 4-Kenji Takahashi (J)/Kunimitsu Takahashi (J)-Nova Engineering Porsche 962C
3. Fuji, Jul 20-George Fouche (ZA)/Vern Schuppan (AUS)/Keiichi Suzuki (J)-Trust Porsche 956
4. Suzuka, Aug 24-Tsunehisa Asai (J)/Hideki Okada (J)/Jiro Yoneyama (J)-From A Porsche 956
5. Fuji, Oct 5-Paolo Barilla (I)/Piercarlo Ghinzani (I)-Joest Porsche 956
6. Fuji, Nov 23-Vern Schuppan (AUS)/Keiichi Suzuki (J)-Trust Porsche 956

1987 (Champion: Kenny Acheson/Kunimitsu Takahashi)
1. Suzuka, Apr 12-Hideki Okada (J)/Mike Thackwell (NZ)-From A Porsche 962C
2. Fuji, May 3-Alan Jones (AUS)/Geoff Lees (GB)/Masanori Sekiya (J)-TOM’s Toyota 87C
3. Fuji, Jul 19-Kenny Acheson (GB)/Kunimitsu Takahashi (J)-Nova Engineering Porsche 962C
4. Suzuka, Aug 23-Geoff Lees (GB)/Hitoshi Ogawa (J)/Masanori Sekiya (J)-TOM’s Toyota 87C
5. Fuji, Sep 27-Jan Lammers (NL)/John Watson (GB)-TWR Jaguar XJR-8
6. Fuji, Nov 29-Kenny Acheson (GB)/Kazuo Mogi (J)/Kunimitsu Takahashi (J)-Nova Engineering Porsche 962C

1988 (Champion: Stanley Dickens/Hideki Okada)
1. Fuji, Mar 3-Stanley Dickens (DK)/Hideki Okada (J)-From A Porsche 962C
2. Suzuka, Apr 10-Eje Elgh (S)/Maurizio Sandro Sala (BR)-Team Schuppan Porsche 962C
3. Fuji, May 1-Bruno Giacomelli (I)/Kris Nissen (DK)-Leyton House Racing Team Porsche 962CK6
4. Fuji, Jul 24-Stanley Dickens (DK)/Hideki Okada (J)-From A Porsche 962C
5. Suzuka, Aug 28-Stanley Dickens (DK)/Hideki Okada (J)-From A Porsche 962C
6. Fuji, Oct 9-Martin Brundle (GB)/Eddie Cheever (USA)-TWR Jaguar XJR9

1989 (Champion: Stanley Dickens/Kunimitsu Takahashi)
1. Fuji, Mar 12-Akihiko Nakaya (J)/Harald Grohs (D)-From A Porsche 962C
2. Fuji, Apr 30-Eje Elgh (S)/Keiji Matsumoto (J)/Vern Schuppan (AUS)-Omron Porsche 962C
3. Fuji, Jul 23-Hideki Okada (J)/Masanori Sekiya (J)-Leyton House Racing Team Porsche 962CK6
4. Suzuka, Aug 27-Stanley Dickens (DK)/Kunimitsu Takahashi (J)-Nova Engineering Porsche 962C
5. Fuji, Oct 8-Paolo Barilla (I)/Hitoshi Ogawa (J)-TOM’s Toyota 89CV

1990 (Champion: Masahiro Hasemi/Anders Olofsson)
1. Fuji, Mar 11-Hitoshi Ogawa (J)/Masanori Sekiya (J)-TOM’s Toyota 90CV
2. Fuji, Apr 3-Yojiro Terada (J)/Takashi Yorino (J)-Team Le Mans Mazda 767B
3. Fuji, Jul 22-Masahiro Hasemi (J)/Anders Olofsson (S)-NISMO Nissan R90CP
4. Suzuka, Aug 26-Kazuyoshi Hoshino (J)/Toshio Suzuki (J)-NISMO Nissan R90CP
5. Sugo, Sep 16-Masahiro Hasemi (J)/Anders Olofsson (S)-NISMO Nissan R90CP
6. Fuji, Oct 7-Naoki Nagasaka (J)/Roland Ratzenberger (A)-SARD Toyota 89CV

1991 (Champion: Kazuyoshi Hoshino/Toshio Suzuki)
1. Fuji, Mar 10-Kazuyoshi Hoshino (J)/Toshio Suzuki (J)-NISMO Nissan R91CP
2. Fuji, May 5-Kazuyoshi Hoshino (J)/Toshio Suzuki (J)-NISMO Nissan R91CP
3. Fuji, Jul 21-Hitoshi Ogawa (J)/Masanori Sekiya (J)-TOM’s Toyota 91CV
4. Suzuka, Aug 25-Naoki Nagasaka (J)/Pierre-Henri Raphanel (F)/Roland Ratzenberger (A)-SARD Toyota 91CV
5. Sugo, Sep 15-Eje Elgh (S)/Geoff Lees (GB)-TOM’s Toyota 91CV
6. Fuji, Oct 6-Kazuyoshi Hoshino (J)/Toshio Suzuki (J)-NISMO Nissan R91CP
7. Sugo, Nov 3-David Brabham (AUS)/Teo Fabi (I)-TWR Jaguar XJR14

1992 (Champion: Kazuyoshi Hoshino/Toshio Suzuki)
1. Suzuka, Apr 19-Masahiro Hasemi (J)/Masahiko Kageyama (J)/Jeff Krosnoff (USA)-NISMO Nissan R92CP
2. Fuji, May 4-Kazuyoshi Hoshino (J)/Toshio Suzuki (J)-NISMO Nissan R92CP
3. Fuji, Jul 26-Kazuyoshi Hoshino (J)/Toshio Suzuki (J)-NISMO Nissan R92CP
4. Sugo, Sep 13-Kazuyoshi Hoshino (J)/Toshio Suzuki (J)-NISMO Nissan R92CP
5. Fuji, Oct 4-Jan Lammers (NL)/Geoff Lees (GB)-TOM’s Toyota TS010
6. Mine, Nov 11-Jan Lammers (NL)/Geoff Lees (GB)-TOM’s Toyota TS010

Total races: 55

Winning drivers

8 wins-Kazuyoshi Hoshino, Kunimitsu Takahashi
7 wins-Geoff Lees, Vern Schuppan, Toshio Suzuki
6 wins-Hideki Okada
5 wins-Masanori Sekiya, Kenji Takahashi
4 wins-Stanley Dickens, Eje Elgh, Hitoshi Ogawa
3 wins-Masahiro Hasemi, Jan Lammers, Keiichi Suzuki
2 wins-Kenny Acheson, Paolo Barilla, Stefan Bellof, Naohiro Fujita, Naoki Nagasaka, Anders Olofsson, Roland Ratzenberger, John Watson
1 win-Taku Akaike, Tsunehisa Asai, Derek Bell, David Brabham, Martin Brundle, Eddie Cheever, Teo Fabi, George Fouche, Piercarlo Ghinzani, Bruno Giacomelli, Harald Grohs, Alan Jones, Masahiko Kageyama, Yoshimi Katayama, Jeff Krosnoff, Keiji Matsumoto, Kazuo Mogi, Akihiko Nakaya, Kris Nissen, Pierre-Henri Raphanel, Maurizio Sandro Sala, Tooru Shimegi, Yojiro Terada, Mike Thackwell, Jiro Yoneyama, Takaashi Yorino

Total winning drivers: 49

Winning nationalities

Australia-3 drivers (Brabham, Jones, Schuppan)
Austria-1 driver (Ratzenberger)
Brazil-1 driver (Sandro Sala)
Denmark-2 drivers (Dickens, Nissen)
France-1 driver (Raphanel)
Germany-2 drivers (Bellof, Grohs)
Great Britain-5 driver (Acheson, Bell, Brundle, Lees, Watson)
Holland-1 driver (Lammers)
Italy-4 drivers (Barilla, Fabi, Ghinzani, Giacomelli)
Japan-23 drivers (Akaike, Asai, Fujita, Hasemi, Hoshino, Kageyama, Katayama, Matsumoto, Mogi, Nagasaka, Nakaya, Okada, Ogawa, Sekiya, Shimegi, K Suzuki, T Suzuki, Ke Takahashi, Ku Takahashi, Terada, Yoneyama, Yorino)
New Zealand-1 driver (Thackwell)
South Africa-1 driver (Fouche)
Sweden-2 drivers (Elgh, Olofsson)
United States-2 drivers (Cheever, Krosnoff)

Total winning nationalities: 14

Winning manufacturers

28 wins-Porsche
10 wins-Nissan, Toyota
3 wins-Jaguar
2 wins-Mazda
1 win-Dome, March

Total wins: 55 by 7 manufacturers

Winning engines

28 wins-Porsche
11 wins-Nissan, Toyota
3 wins-Jaguar
2 wins-Mazda

Total wins: 55 by 5 engine manufacturers

Winning teams

10 wins-NISMO
9 wins-Nova Engineering
8 wins-TOM’s
6 wins-From A, Trust
3 wins-TWR
2 wins-Leyton House Racing Team, SARD, Works Porsche
1 win-Dome Motorsport, Hoshino Racing, Joest, Omron, Team Le Mans, Team Schuppan, Team Taku

Total wins: 55 by 16 teams