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1991 All Japan Sports Prototype Car Endurance Championship
The 1991 All Japan Sports Prototype Car Endurance Championship was the ninth season of the All Japan Sports Prototype Championship. The 1991 champion was the #23 Nissan Motorsports Nissan R91CP driven by Kazuyoshi Hoshino and Toshio Suzuki.
Schedule
All races were held in Japan.
| Round | Race | Circuit | Date | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|---|---|---|
| All Japan Fuji 500 km | Fuji Speedway | 10 March | ||||||||
| All Japan Fuji 1000 km | Fuji Speedway | 5 May | ||||||||
| All Japan Fuji 500 Miles | Fuji Speedway | 21 July | ||||||||
| International Suzuka 1000 km | Suzuka Circuit | 25 August | ||||||||
| SUGO Inter 500 km | Sportsland SUGO | 16 September | ||||||||
| Interchallenge Fuji 1000 km | Fuji Speedway | 6 October | ||||||||
| SUGO Inter 500 Miles | Sportsland SUGO | 3 November |
Entry list
| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds | Nissan | Porsche | Alexel | Porsche | Jaguar | Spice | Nissan | Nissan | Toyota | Toyota | Spice | Porsche | Porsche | Porsche | Mazda | Mazda |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nissan Motorsports | Nissan R90CP | ||||||||||||||||||||||
| Nissan R91CP | Nissan VRH35Z 3.5 L Twin Turbo V8 | 1 | JPN Masahiro Hasemi | All | |||||||||||||||||||
| SWE Anders Olofsson | All | ||||||||||||||||||||||
| 23 | JPN Kazuyoshi Hoshino | All | |||||||||||||||||||||
| JPN Toshio Suzuki | All | ||||||||||||||||||||||
| Team Taisan | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 2 | JPN Kunimitsu Takahashi | 1–2 | ||||||||||||||||||
| SWE Stanley Dickens | 1–2 | ||||||||||||||||||||||
| GBR Will Hoy | 2 | ||||||||||||||||||||||
| Porsche 962/83 3.2 L Twin Turbo F6 | 3 | GBR Will Hoy | 1 | ||||||||||||||||||||
| NOR Harald Huysman | 1 | ||||||||||||||||||||||
| Navi Connection Racing | Alexel Autorama C91 | Ford DFR 3.5 L V8 | 3 | JPN Kaoru Iida | 5–7 | ||||||||||||||||||
| JPN Taku Akaike | 5–7 | ||||||||||||||||||||||
| The Alpha Racing | Porsche 962C | Porsche 962/83 3.2 L Twin Turbo F6 | 7 | GBR Tiff Needell | 1–3 | ||||||||||||||||||
| GBR Anthony Reid | 1–3 | ||||||||||||||||||||||
| BRA Raul Boesel | 6 | ||||||||||||||||||||||
| FRA Bob Wollek | 6 | ||||||||||||||||||||||
| GBR Jonathan Palmer | 7 | ||||||||||||||||||||||
| ARG Oscar Larrauri | 7 | ||||||||||||||||||||||
| TWR Suntec Jaguar | Jaguar XJR-11 | Rover V64V 3.5 L Twin Turbo V6 | 18 | ITA Mauro Martini | 2–6 | ||||||||||||||||||
| USA Jeff Krosnoff | 2–6 | ||||||||||||||||||||||
| DNK John Nielsen | 3–4 | ||||||||||||||||||||||
| Jaguar XJR-14 | Cosworth HB 3.5 L V8 | ITA Mauro Martini | 7 | ||||||||||||||||||||
| USA Jeff Krosnoff | 7 | ||||||||||||||||||||||
| 17 | AUS David Brabham | 7 | |||||||||||||||||||||
| ITA Teo Fabi | 7 | ||||||||||||||||||||||
| Ao Racing | Spice SE90C | Ford DFZ 3.5 L V8 | 21 | JPN Hideshi Matsuda | 5–6 | ||||||||||||||||||
| JPN Hideo Fukuyama | 5–6 | ||||||||||||||||||||||
| JPN Tomiko Yoshikawa | 6 | ||||||||||||||||||||||
| Team LeMans | Nissan R90C | ||||||||||||||||||||||
| Nissan R91CP | Nissan VRH35Z 3.5 L Twin Turbo V8 | 25 | JPN Hideki Okada | All | |||||||||||||||||||
| JPN Takao Wada | 1–4 | ||||||||||||||||||||||
| JPN Masahiko Kageyama | 3–7 | ||||||||||||||||||||||
| BRA Maurizio Sandro Sala | 4 | ||||||||||||||||||||||
| From A Racing | Nissan R90CK | Nissan VRH35Z 3.5 L Twin Turbo V8 | 27 | JPN Akihiko Nakaya | All | ||||||||||||||||||
| DEU Volker Weidler | All | ||||||||||||||||||||||
| SWE Thomas Danielsson | 2 | ||||||||||||||||||||||
| Toyota Team TOM'S | Toyota 90C-V | ||||||||||||||||||||||
| Toyota 91C-V | Toyota R36V 3.6 L Turbo V8 | 36 | JPN Masanori Sekiya | All | |||||||||||||||||||
| JPN Hitoshi Ogawa | All | ||||||||||||||||||||||
| GBR Andy Wallace | 2, 4 | ||||||||||||||||||||||
| 37 | GBR Geoff Lees | All | |||||||||||||||||||||
| SWE Eje Elgh | 2–7 | ||||||||||||||||||||||
| FRA Pierre-Henri Raphanel | 1 | ||||||||||||||||||||||
| GBR Andy Wallace | 4, 6 | ||||||||||||||||||||||
| Toyota Team SARD | Toyota 90C-V | ||||||||||||||||||||||
| Toyota 91C-V | Toyota R36V 3.6 L Turbo V8 | 38 | AUT Roland Ratzenberger | All | |||||||||||||||||||
| JPN Naoki Nagasaka | 1–4 | ||||||||||||||||||||||
| FRA Pierre-Henri Raphanel | 3–7 | ||||||||||||||||||||||
| Team Fedco | Spice SE91C | Ford DFZ 3.5 L V8 | 77 | JPN Hisashi Yokoshima | 2–3 | ||||||||||||||||||
| JPN Kiyoshi Misaki | 2–3 | ||||||||||||||||||||||
| Team Schuppan | Porsche 962C | Porsche 962/83 3.0 L Twin Turbo F6 | 91 | USA Hurley Haywood | 1 | ||||||||||||||||||
| GBR James Weaver | 1 | ||||||||||||||||||||||
| Team 0123 | Porsche 962C | Porsche 935/83 3.0 L Twin Turbo F6 | 91 | GBR Julian Bailey | 4 | ||||||||||||||||||
| GBR Kenny Acheson | 4, 6 | ||||||||||||||||||||||
| GBR James Weaver | 6 | ||||||||||||||||||||||
| Trust Racing | Porsche 962C | Porsche 935/83 3.0 L Twin Turbo F6 | 100 | ZAF George Fouché | All | ||||||||||||||||||
| SWE Steven Andskär | All | ||||||||||||||||||||||
| Mazdaspeed | Mazda 787 | ||||||||||||||||||||||
| Mazda 787B | Mazda R26B 2.6 L 4-rotor | 201 | JPN Tetsuya Ota | 1 | |||||||||||||||||||
| BEL Pierre Dieudonné | 1, 7 | ||||||||||||||||||||||
| IRL David Kennedy | 1–2, 4–5 | ||||||||||||||||||||||
| GBR Johnny Herbert | 3, 6 | ||||||||||||||||||||||
| BEL Bertrand Gachot | 3 | ||||||||||||||||||||||
| JPN Yojiro Terada | 4–5, 7 | ||||||||||||||||||||||
| JPN Takashi Yorino | 4 | ||||||||||||||||||||||
| BRA Maurizio Sandro Sala | 6 | ||||||||||||||||||||||
| 202 | JPN Takashi Yorino | 1–3, 5–7 | |||||||||||||||||||||
| JPN Yojiro Terada | 1–3 | ||||||||||||||||||||||
| JPN Tetsuya Ota | 2, 5 | ||||||||||||||||||||||
| IRL David Kennedy | 6–7 | ||||||||||||||||||||||
| Pleasure Racing | Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 230 | JPN Tetsuji Shiratori | All | ||||||||||||||||||
| JPN Shuji Fujii | All | ||||||||||||||||||||||
| JPN Masatomo Shimizu | 1–6 |
Season results
Season results as follows:
| Round | Circuit | Winning team | Winning drivers |
|---|---|---|---|
| 1 | Mt. Fuji | #23 Nissan Motorsports Nissan R91CP | |
| JPN Kazuyoshi Hoshino | |||
| JPN Toshio Suzuki | |||
| 2 | Mt. Fuji | ||
| *Report* | #23 Nissan Motorsports Nissan R91CP | ||
| JPN Kazuyoshi Hoshino | |||
| JPN Toshio Suzuki | |||
| 3 | Mt. Fuji | #36 Toyota Team TOM'S Toyota 91C-V | |
| JPN Hitoshi Ogawa | |||
| JPN Masanori Sekiya | |||
| 4 | Suzuka Circuit | ||
| *Report* | #38 Toyota Team SARD Toyota 91C-V | ||
| AUT Roland Ratzenberger | |||
| FRA Pierre-Henri Raphanel | |||
| JPN Naoki Nagasaka | |||
| 5 | Sportsland SUGO | ||
| *Report* | #37 Toyota Team TOM'S Toyota 91C-V | ||
| GBR Geoff Lees | |||
| SWE Eje Elgh | |||
| 6 | Mt. Fuji | #23 Nissan Motorsports Nissan R91CP | |
| JPN Kazuyoshi Hoshino | |||
| JPN Toshio Suzuki | |||
| 7 | Sportsland SUGO | #17 TWR Suntech Jaguar XJR-14 | |
| AUS David Brabham | |||
| ITA Teo Fabi |
Point Ranking
Drivers
| Rank | Drivers | Number/Team | Points | Wins | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|---|---|---|
| JPN Kazuyoshi Hoshino | |||||||||
| JPN Toshio Suzuki | #23 Nissan Motorsports Nissan R91CP | 87 | 3 | ||||||
| JPN Hitoshi Ogawa | |||||||||
| JPN Masanori Sekiya | #36 Toyota Team TOM'S Toyota 91C-V | 85 | 1 | ||||||
| GBR Geoff Lees | #37 Toyota Team TOM'S Toyota 91C-V | 54 | 1 | ||||||
| DEU Volker Weidler | |||||||||
| JPN Akihiko Nakaya | #27 From A Racing Nissan R90CK | 52 | 0 | ||||||
| ZAF George Fouché | |||||||||
| SWE Steven Andskär | #100 Trust Racing Porsche 962C | 52 | 0 |
References
References
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