# 1989 All Japan Sports Prototype Car Endurance Championship

The 1989 All Japan Sports Prototype Car Endurance Championship was the seventh season of the All Japan Sports Prototype Championship. The 1989 champion was the #25 Advan Alpha Nova Porsche 962C driven by Kunimitsu Takahashi.

## Schedule

All races were held in Japan.
| Round | Race | Circuit | Date |
| 1 | All Japan Fuji 500 km | Fuji Speedway | 12 March |
| 2 | JAF Grand Prix All Japan Fuji 1000 km | Fuji Speedway | 30 April |
| 3 | All Japan Fuji 500 Miles | Fuji Speedway | 23 July |
| 4 | International Suzuka 1000 km | Suzuka Circuit | 3 December |
| 5 | Interchallenge Fuji 1000 km | Fuji Speedway | 8 October |
* ^1 – Round 4 at the Suzuka Circuit was originally scheduled for 27 August; however, due to a typhoon the race was rescheduled for 3 December.

## Entry list
### C/GTP

| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 6 | Jesús Pareja | Y | 5 |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 6 | Walter Brun | Y | 5 |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 6 | Costas Los | Y | 5 |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 7 | Oscar Larrauri | Y | All |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 7 | Maurizio Sandro Sala | Y | All |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 7 | Walter Brun | Y | 1 |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 22 | Naoki Nagasaka | B | All |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 22 | Chiyomi Totani | B | All |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 25 | Kunimitsu Takahashi | Y | All |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 25 | Stanley Dickens | Y | All |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 26 | Kenji Takahashi | Y | All |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 26 | Kazuo Mogi | Y | All |
| Alpha Nova Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 26 | Giovanni Lavaggi | Y | 4–5 |
| Joest Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 8 | Henri Pescarolo | G | 5 |
| Joest Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 8 | Jean-Louis Ricci | G | 5 |
| Joest Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 9 | Bob Wollek | G | 5 |
| Joest Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 9 | Frank Jelinski | G | 5 |
| Leyton House Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 16 | Masanori Sekiya | B | All |
| Leyton House Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 16 | Hideki Okada | B | All |
| Team Davey | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 19 | Tim Lee-Davey | D | 5 |
| Team Davey | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 19 | Desiré Wilson | D | 5 |
| Nissan Motorsports | Nissan | Nissan R88C (Rd. 1–2) Nissan R89C (Rd. 3–5) | Nissan VRH30T 3.0 L Twin Turbo V8 (Rd. 1–2) Nissan VRH35Z 3.5 L Twin Turbo V8 (Rd. 3–5) | 23 | Kazuyoshi Hoshino | D B | All |
| Nissan Motorsports | Nissan | Nissan R88C (Rd. 1–2) Nissan R89C (Rd. 3–5) | Nissan VRH30T 3.0 L Twin Turbo V8 (Rd. 1–2) Nissan VRH35Z 3.5 L Twin Turbo V8 (Rd. 3–5) | 23 | Toshio Suzuki | D B | All |
| Nissan Motorsports | Nissan | Nissan R88C (Rd. 1–2) Nissan R89C (Rd. 3–5) | Nissan VRH30T 3.0 L Twin Turbo V8 (Rd. 1–2) Nissan VRH35Z 3.5 L Twin Turbo V8 (Rd. 3–5) | 24 | Masahiro Hasemi | D B | All |
| Nissan Motorsports | Nissan | Nissan R88C (Rd. 1–2) Nissan R89C (Rd. 3–5) | Nissan VRH30T 3.0 L Twin Turbo V8 (Rd. 1–2) Nissan VRH35Z 3.5 L Twin Turbo V8 (Rd. 3–5) | 24 | Anders Olofsson | D B | All |
| From A Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 27 | Akihiko Nakaya | D B | All |
| From A Racing | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 27 | Harald Grohs | D B | All |
| Takefuji Racing Team | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 33 | Johnny Herbert | D | 5 |
| Takefuji Racing Team | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 33 | Martin Donnelly | D | 5 |
| Toyota Team TOM'S | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 36 | Geoff Lees | B | All |
| Toyota Team TOM'S | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 36 | Hitoshi Ogawa | B | 1–2, 4 |
| Toyota Team TOM'S | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 36 | Ross Cheever | B | 3–5 |
| Toyota Team TOM'S | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 38 | Paolo Barilla | B | 3–5 |
| Toyota Team TOM'S | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 38 | Hitoshi Ogawa | B | 3, 5 |
| Toyota Team TOM'S | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 38 | Johnny Dumfries | B | 4 |
| Toyota Team SARD | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 50 | Roland Ratzenberger | D | All |
| Toyota Team SARD | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 50 | Keiichi Suzuki | D | All |
| Toyota Team SARD | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 50 | David Sears | D | 1 |
| Toyota Team SARD | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 50 | Koji Sato | D | 2 |
| Toyota Team SARD | Toyota | Toyota 89C-V | Toyota R32V 3.2 L Turbo V8 | 50 | Jean-Pierre Jabouille | D | 5 |
| Omron Racing | Porsche | Porsche 962C | Porsche 935/83 3.0 L Twin Turbo F6 | 55 | Eje Elgh | D | All |
| Omron Racing | Porsche | Porsche 962C | Porsche 935/83 3.0 L Twin Turbo F6 | 55 | Vern Schuppan | D | All |
| Omron Racing | Porsche | Porsche 962C | Porsche 935/83 3.0 L Twin Turbo F6 | 55 | Keiji Matsumoto | D | 1–4 |
| Team LeMans | March | March 88G | Nissan VG30DETT 3.0 L Twin Turbo V6 | 85 | Takao Wada | Y | All |
| Team LeMans | March | March 88G | Nissan VG30DETT 3.0 L Twin Turbo V6 | 85 | Akio Morimoto | Y | All |
| Team LeMans | March | March 88G | Nissan VG30DETT 3.0 L Twin Turbo V6 | 85 | Koji Sato | Y | 3 |
| British Barn Racing | British Barn Racing | British Barn BB89R | Ford DFZ 3.5 L V8 | 88 | Jiro Yoneyama | D | All |
| British Barn Racing | British Barn Racing | British Barn BB89R | Ford DFZ 3.5 L V8 | 88 | Kiyoshi Misaki | D | 1–2, 4–5 |
| British Barn Racing | British Barn Racing | British Barn BB89R | Ford DFZ 3.5 L V8 | 88 | Hideo Fukuyama | D | 2–5 |
| Trust Racing | Porsche | Porsche 962C | Porsche 935/83 3.0 L Twin Turbo F6 | 100 | George Fouché | D | All |
| Trust Racing | Porsche | Porsche 962C | Porsche 935/83 3.0 L Twin Turbo F6 | 100 | Steven Andskär | D | All |
| Mazdaspeed | Mazda | Mazda 767 Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 201 | Takashi Yorino | D | 1 |
| Mazdaspeed | Mazda | Mazda 767 Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 201 | Tetsuya Ota | D | 1 |
| Mazdaspeed | Mazda | Mazda 767 Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 201 | Yojiro Terada | D | 5 |
| Mazdaspeed | Mazda | Mazda 767 Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 201 | Pierre Dieudonné | D | 5 |
| Mazdaspeed | Mazda | Mazda 767 Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 201 | Yoshimi Katayama | D | 5 |
| Mazdaspeed | Mazda | Mazda 767 Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 202 | Yoshimi Katayama | D | 1–4 |
| Mazdaspeed | Mazda | Mazda 767 Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 202 | Yojiro Terada | D | 1–4 |
| Mazdaspeed | Mazda | Mazda 767 Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 202 | Takashi Yorino | D | 2–5 |
| Mazdaspeed | Mazda | Mazda 767 Mazda 767B | Mazda RE13J 2.6 L 4-rotor | 202 | David Kennedy | D | 5 |
| Shizumatsu Racing | Mazda | Mazda 757 | Mazda RE13G 2.0 L 3-rotor | 230 | Tetsuji Shiratori | D | All |
| Shizumatsu Racing | Mazda | Mazda 757 | Mazda RE13G 2.0 L 3-rotor | 230 | Shuji Fujii | D | All |
| Shizumatsu Racing | Mazda | Mazda 757 | Mazda RE13G 2.0 L 3-rotor | 230 | Seisaku Suzuki | D | All |
| Katayama Racing | Mazda | Mazda 757 | Mazda RE13G 2.0 L 3-rotor | 240 | Kazuhiko Oda | D | 1, 5 |
| Katayama Racing | Mazda | Mazda 757 | Mazda RE13G 2.0 L 3-rotor | 240 | Toshihiko Nogami | D | 1–2 |
| Katayama Racing | Mazda | Mazda 757 | Mazda RE13G 2.0 L 3-rotor | 240 | Shunji Kasuya | D | 2 |
| Katayama Racing | Mazda | Mazda 757 | Mazda RE13G 2.0 L 3-rotor | 240 | Yoshiyuki Ogura | D | 2 |
| Katayama Racing | Mazda | Mazda 757 | Mazda RE13G 2.0 L 3-rotor | 240 | Keiichi Mizutani | D | 5 |
| Katayama Racing | Mazda | Mazda 757 | Mazda RE13G 2.0 L 3-rotor | 240 | Tomiko Yoshikawa | D | 5 |

### A

| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Hatena Racing Team | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 5 | Zenkichi Maruko | Y | 4 |
| Hatena Racing Team | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 5 | Ryosuke Nozaki | Y | 4 |
| Hatena Racing Team | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 5 | Masami Miyoshi | Y | 4 |
| Yoshifumi Yamazaki | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 8 | Yoshifumi Yamazaki | Y | 4 |
| Yoshifumi Yamazaki | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 8 | Masaki Ohashi | Y | 4 |
| Yoshifumi Yamazaki | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 8 | Naoto Chikada | Y | 4 |
| Moditt Racing Team | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 17 | Ryuichi Natsukawa | D | 4 |
| Moditt Racing Team | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 17 | Junichi Ikura | D | 4 |
| Moditt Racing Team | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 17 | Naoki Hattori | D | 4 |
| Keiichi Mizutani | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 21 | Keiichi Mizutani | D | 4 |
| Keiichi Mizutani | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 21 | Kenichi Kaneko | D | 4 |
| Keiichi Mizutani | West | West 89S | Mazda RE13B 1.3 L 2-rotor | 21 | Masaki Furuhashi | D | 4 |
| Something Good Racing Team | West | West 87S | Mazda RE13B 1.3 L 2-rotor | 56 | Keiichi Sakamoto | D | 4 |
| Something Good Racing Team | West | West 87S | Mazda RE13B 1.3 L 2-rotor | 56 | Eiichi Tajima | D | 4 |
| Something Good Racing Team | West | West 87S | Mazda RE13B 1.3 L 2-rotor | 56 | Tomoyuki Hosono | D | 4 |
| Joy Sport | Oscar | Oscar SK90 | Mazda RE13B 1.3 L 2-rotor | 67 | Tsuguaki Ogura | D | 4 |
| Joy Sport | Oscar | Oscar SK90 | Mazda RE13B 1.3 L 2-rotor | 67 | Yoshiyuki Ogura | D | 4 |
| Joy Sport | Oscar | Oscar SK90 | Mazda RE13B 1.3 L 2-rotor | 67 | Hiromi Nishizawa | D | 4 |
| Yoichiro Suzuki | West | West 87S | Mazda RE13B 1.3 L 2-rotor | 73 | Yoichiro Suzuki | D | 4 |
| Yoichiro Suzuki | West | West 87S | Mazda RE13B 1.3 L 2-rotor | 73 | Toshihiko Mochizuki | D | 4 |
| Yoichiro Suzuki | West | West 87S | Mazda RE13B 1.3 L 2-rotor | 73 | Hajime Oshiro | D | 4 |
| Susai Racing Magic | Oscar | Oscar SK90 | Mazda RE13B 1.3 L 2-rotor | 77 | Yasuhiro Susai | D | 4 |
| Susai Racing Magic | Oscar | Oscar SK90 | Mazda RE13B 1.3 L 2-rotor | 77 | Hiroshi Yonetani | D | 4 |
| Susai Racing Magic | Oscar | Oscar SK90 | Mazda RE13B 1.3 L 2-rotor | 77 | Hidetoshi Okamoto | D | 4 |
| Team Jikanwari | Oscar | Oscar SK85 | Mazda RE13B 1.3 L 2-rotor | 99 | Michiko Hashimoto | Y | 4 |
| Team Jikanwari | Oscar | Oscar SK85 | Mazda RE13B 1.3 L 2-rotor | 99 | Soichiro Tanaka | Y | 4 |
| Team Jikanwari | Oscar | Oscar SK85 | Mazda RE13B 1.3 L 2-rotor | 99 | Hiroaki Ishii | Y | 4 |

## Season results

Season results as follows:
| Round | Circuit | Winning Team |
| Round | Circuit | Winning Drivers |
| 1 | Mt. Fuji | #27 From A Racing Porsche 962C |
| 1 | Mt. Fuji | Harald Grohs Akihiko Nakaya |
| 2 | Mt. Fuji Report | #55 Omron Racing Porsche 962C |
| 2 | Mt. Fuji Report | Vern Schuppan Eje Elgh Keiji Matsumoto |
| 3 | Mt. Fuji | #16 Leyton House Racing Porsche 962C |
| 3 | Mt. Fuji | Hideki Okada Masanori Sekiya |
| 4 | Suzuka Circuit Report | #25 Alpha Nova Porsche 962C |
| 4 | Suzuka Circuit Report | Kunimitsu Takahashi Stanley Dickens |
| 5 | Mt. Fuji | #38 Toyota Team TOM'S Toyota 89C-V |
| 5 | Mt. Fuji | Hitoshi Ogawa Paolo Barilla |

## Point Ranking
### Drivers

| Rank | Drivers | Number/Team | Points | Wins | Distance |
| 1 | Kunimitsu Takahashi | #25 Alpha Nova Porsche 962C | 56 | 1 | 2077.617 km |
| 2 | Stanley Dickens | #25 Alpha Nova Porsche 962C | 56 | 1 | 1794.012 km |
| 3 | Geoff Lees | #36 Toyota Team TOM'S Toyota 89C-V | 55 | 0 | 1945.209 km |
| 4 | Steven Andskär | #100 Trust Racing Porsche 962C | 55 | 0 | 1379.514 km |
| 5 | Eje Elgh | #55 Omron Racing Porsche 962C | 47 | 1 | 1215.84 km |
| 6 | Vern Schuppan | #55 Omron Racing Porsche 962C | 47 | 1 | 701.79 km |

### Makes

| Rank | Make | Points | Wins |
| 1 | Porsche | 95 | 4 |
| 2 | Toyota | 43 | 1 |
| 3 | Nissan | 24 | 0 |
| 4 | March-Nissan | 18 | 0 |
| 5 | Mazda | 18 | 0 |
| 6 | TOM'S-British Barn-Ford | 3 | 0 |