# 1984 All Japan Endurance Championship

The 1984 All Japan Endurance Championship was the second season of the All Japan Sports Prototype Championship. The 1984 champion was the Auto Beaurex Motorsport Lotec M1C-BMW driven by Naoki Nagasaka.

## Entry list
### C/B

* For the WEC-Japan event, JSPC teams used different car numbers to avoid conflicts with the car numbers of the entrants of the World Sportscar Championship; each car's WEC-Japan race number is displayed in tooltips.
| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Trust Racing Team | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 1 | Vern Schuppan | D | 1, 3–4 |
| Trust Racing Team | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 1 | Yoshimi Katayama | D | 1, 3 |
| Trust Racing Team | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 1 | Hans-Joachim Stuck | D | 4 |
| Alpha Cubic Racing Team | MCS | MCS Guppy | BMW M12/7 2.0 L I4 | 2 | Noritake Takahara | B | 1, 3–4 |
| Alpha Cubic Racing Team | MCS | MCS Guppy | BMW M12/7 2.0 L I4 | 2 | Chiyomi Totani | B | 1, 3–4 |
| From A Racing | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 3 | Jiro Yoneyama | D | 3–4 |
| From A Racing | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 3 | Chikage Oguchi | D | 3–4 |
| Setrab Racing by Yours | Mazda | Mazda 717C | Mazda RE13B 1.3 L 2-rotor | 7 | Takashi Yorino | D | 1–2 |
| Setrab Racing by Yours | Mazda | Mazda 717C | Mazda RE13B 1.3 L 2-rotor | 7 | Hideki Okada | D | 1–2 |
| Setrab Racing by Yours | Mazda | Mazda 727C | Mazda RE13B 1.3 L 2-rotor | 7 | Takashi Yorino | D | 3 |
| Setrab Racing by Yours | Mazda | Mazda 727C | Mazda RE13B 1.3 L 2-rotor | 7 | Hideki Okada | D | 3 |
| Setrab Racing by Yours | Mazda | Mazda 727C | Mazda RE13B 1.3 L 2-rotor | 85 | Hideki Okada | D | 4 |
| Setrab Racing by Yours | Mazda | Mazda 727C | Mazda RE13B 1.3 L 2-rotor | 85 | Masatomo Shimizu | D | 4 |
| Setrab Racing by Yours | Mazda | Mazda 727C | Mazda RE13B 1.3 L 2-rotor | 85 | Tomohiko Tsutsumi | D | 4 |
| Hasemi Motorsport | Nissan | Nissan Skyline Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 11 | Masahiro Hasemi | D | 3–4 |
| Hasemi Motorsport | Nissan | Nissan Skyline Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 11 | Kenji Tohira | D | 3–4 |
| Hasemi Motorsport | Nissan | Nissan Skyline Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 11 | Yoshiyasu Tachi | D | 3 |
| Panasport Japan | Nissan | Nissan Panasport Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 12 | Keiji Matsumoto | B | 1, 3–4 |
| Panasport Japan | Nissan | Nissan Panasport Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 12 | Kenji Takahashi | B | 1 |
| Panasport Japan | Nissan | Nissan Panasport Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 12 | Osamu Nakako | B | 3–4 |
| Mazdaspeed | March | March 84G | Mazda RE13B 1.3 L Twin Turbo 2-rotor | 17 | Yoshimi Katayama | D | 4 |
| Mazdaspeed | March | March 84G | Mazda RE13B 1.3 L Twin Turbo 2-rotor | 17 | Takashi Yorino | D | 4 |
| Mazdaspeed | Mazda | Mazda 727C | Mazda RE13B 1.3 L 2-rotor | 86 | Takashi Yorino | D | 1, 4 |
| Mazdaspeed | Mazda | Mazda 727C | Mazda RE13B 1.3 L 2-rotor | 86 | David Kennedy | D | 4 |
| Mazdaspeed | Mazda | Mazda 727C | Mazda RE13B 1.3 L 2-rotor | 87 | David Kennedy | D | 4 |
| Mazdaspeed | Mazda | Mazda 727C | Mazda RE13B 1.3 L 2-rotor | 87 | Jean-Michel Martin | D | 4 |
| ADVAN Nova | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 18 | Kunimitsu Takahashi | Y | 3–4 |
| ADVAN Nova | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 18 | Kenji Takahashi | Y | 3–4 |
| ADVAN Nova | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 18 | Geoff Lees | Y | 3–4 |
| Central 20 Racing Team | Nissan | Nissan Fairlady Z Turbo C | Nissan LZ20B 2.1 L Twin Turbo I4 | 20 | Haruhito Yanagida | D | 1, 3–4 |
| Central 20 Racing Team | Nissan | Nissan Fairlady Z Turbo C | Nissan LZ20B 2.1 L Twin Turbo I4 | 20 | Takao Wada | D | 1, 3–4 |
| Central 20 Racing Team | Nissan | Nissan Fairlady Z Turbo C | Nissan LZ20B 2.1 L Twin Turbo I4 | 20 | Tomohiko Tsutsumi | D | 3 |
| Hoshino Racing | Nissan | Nissan Silvia Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 23 | Kazuyoshi Hoshino | B | 1, 3–4 |
| Hoshino Racing | Nissan | Nissan Silvia Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 23 | Akira Hagiwara | B | 1, 3–4 |
| Autobacs Racing with Uchida | Dome | Dome RC83 i | Ford DFL 4.0 L V8 | 28 | Eje Elgh | D | 1 |
| Autobacs Racing with Uchida | Dome | Dome RC83 i | Ford DFL 4.0 L V8 | 28 | Stanley Dickens | D | 1 |
| Autobacs Racing with Uchida | Dome | Dome RC83 i | Ford DFL 4.0 L V8 | 28 | Aguri Suzuki | D | 3–4 |
| Autobacs Racing with Uchida | Dome | Dome RC83 i | Ford DFL 4.0 L V8 | 28 | Kaoru Hoshino | D | 3 |
| Autobacs Racing with Uchida | Dome | Dome RC83 i | Ford DFL 4.0 L V8 | 28 | Shinji Uchida | D | 3 |
| Autobacs Racing with Uchida | Dome | Dome RC83 i | Ford DFL 4.0 L V8 | 28 | Rupert Keegan | D | 4 |
| Team Taku | MCS | MCS Guppy | Mazda RE13B 1.3 L 2-rotor | 31 | Taku Akaike | B | 2–3 |
| Team Taku | MCS | MCS Guppy | Mazda RE13B 1.3 L 2-rotor | 31 | Toru Shimegi | B | 2–3 |
| XEBEC Motorsport Division | Dome | Dome RC83 | Toyota 4T-GT 2.1 L Turbo I4 | 35 | Kiyoshi Misaki | B | 4 |
| XEBEC Motorsport Division | Dome | Dome RC83 | Toyota 4T-GT 2.1 L Turbo I4 | 35 | Kaoru Hoshino | B | 4 |
| XEBEC Motorsport Division | Dome | Dome RC83 | Toyota 4T-GT 2.1 L Turbo I4 | 35 | Hikaru Hagiwara | B | 4 |
| TOM'S | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 36 | Satoru Nakajima | B | 4 |
| TOM'S | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 36 | Keiji Matsumoto | B | 4 |
| TOM'S | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 36 | Masanori Sekiya | B | 4 |
| Team Ikuzawa | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 37 | Tiff Needell | D | 4 |
| Team Ikuzawa | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 37 | James Weaver | D | 4 |
| Dome Motorsport | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 38 | Eje Elgh | D | 3–4 |
| Dome Motorsport | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 38 | Stanley Dickens | D | 3 |
| Dome Motorsport | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 38 | Masanori Sekiya | D | 4 |
| Auto Beaurex Motorsport | Lotec | Lotec M1C | BMW M88 3.5 L I6 | 62 | Naoki Nagasaka | D | All |
| Auto Beaurex Motorsport | Lotec | Lotec M1C | BMW M88 3.5 L I6 | 62 | Keiichi Suzuki | D | All |
| Mishima Auto | MCS | MCS Guppy | BMW M12/7 2.0 L I4 | 74 | Toru Sawada | D | 4 |
| Mishima Auto | MCS | MCS Guppy | BMW M12/7 2.0 L I4 | 74 | Kaneyuki Okamoto | D | 4 |
| Team Iwaki | MCS | MCS Guppy | Toyota 18R-G 2.0 L I4 | 78 | Koichi Iwaki | D | 4 |
| Team Iwaki | MCS | MCS Guppy | Toyota 18R-G 2.0 L I4 | 78 | Masakazu Nakamura | D | 4 |
| Team Iwaki | MCS | MCS Guppy | Toyota 18R-G 2.0 L I4 | 78 | Takashi Tosa | D | 4 |

### A/GTX

| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Mecca | West | West 83S | Subaru EA81 1.8 L F4 | 2 | Makoto Kaneko | D | 2 |
| Mecca | West | West 83S | Subaru EA81 1.8 L F4 | 2 | Satoshi Ikezawa | D | 2 |
| Mecca | West | West 83S | Subaru EA81 1.8 L F4 | 2 | Matsuo Nakayama | D | 2 |
| Auto Kamida | West | West 83S-II | Honda EN1 1.3 L I4 | 3 | Seiji Omura | D | 1–2 |
| Auto Kamida | West | West 83S-II | Honda EN1 1.3 L I4 | 3 | Masaharu Kinoshita | D | 1–2 |
| Horii Racing | West | West 83S-II | Subaru EA81 1.8 L F4 | 5 | Nobuyoshi Horii | D | 1 |
| Horii Racing | West | West 83S-II | Subaru EA81 1.8 L F4 | 5 | Hajime Kajiwara | D | 1 |
| Horii Racing | West | West 83S-II | Subaru EA81 1.8 L F4 | 38 | Nobuyoshi Horii | D | 3 |
| Horii Racing | West | West 83S-II | Subaru EA81 1.8 L F4 | 38 | Osamu Nakajima | D | 3 |
| Shinryo Yonesaka | West | West 83S-II | Mitsubishi 4G63 2.0 L I4 | 6 | Akihiro Matsuda | D | 1 |
| Shinryo Yonesaka | West | West 83S-II | Mitsubishi 4G63 2.0 L I4 | 6 | Michiko Hashimoto | D | 1 |
| TRS Itabashi | Mazda | Mazda RX-7 825 | Mazda RE13B 1.3 L 2-rotor | 6 | Tsutomu Itabashi | D | 2 |
| TRS Itabashi | Mazda | Mazda RX-7 825 | Mazda RE13B 1.3 L 2-rotor | 6 | Yoshimasa Matsumoto | D | 2 |
| TRS Itabashi | Mazda | Mazda RX-7 825 | Mazda RE13B 1.3 L 2-rotor | 6 | Kenichi Kaneko | D | 2 |
| Target Oil | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 7 | Masuo Takada | Y | 1 |
| Target Oil | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 7 | Hitoshi Tomita | Y | 1 |
| Yours Sport | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 8 | Yoshimasa Fujiwara | D | 3 |
| Yours Sport | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 8 | Masahiro Shimada | D | 3 |
| Yours Sport | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 9 | Hironobu Tatsumi | D | 1 |
| Yours Sport | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 9 | Sadafumi Nakajima | D | 1 |
| TOM'S | Toyota | Toyota Celica LB Turbo | Toyota 18R-G 2.1 L Turbo I4 | 9 | Satoru Nakajima | B | 2 |
| TOM'S | Toyota | Toyota Celica LB Turbo | Toyota 18R-G 2.1 L Turbo I4 | 9 | Masanori Sekiya | B | 2 |
| TOM'S | Toyota | Toyota Corolla Levin | Toyota 4A 1.6 L I4 | 26 | Masami Takagi | B | 3 |
| TOM'S | Toyota | Toyota Corolla Levin | Toyota 4A 1.6 L I4 | 26 | Peter Chau | B | 3 |
| TOM'S | Toyota | Toyota Corolla Levin | Toyota 4A 1.6 L I4 | 26 | Masami Ishikawa | B | 3 |
| Hajime Oshiro | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 10 | Hajime Oshiro | D | 3 |
| Hajime Oshiro | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 10 | Eiji Yamada | D | 3 |
| Hajime Oshiro | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 10 | Hideshi Matsuda | D | 3 |
| AMRC Miyakoya | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 11 | Masahiro Kimoto | D | 1 |
| AMRC Miyakoya | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 11 | Yasuhiro Isozaki | D | 1 |
| Daimyojin | West | West 83S-II | Subaru EA81 1.8 L F4 | 14 | Keiichi Mizutani | D | 1 |
| Daimyojin | West | West 83S-II | Subaru EA81 1.8 L F4 | 14 | Hiroyuki Kondo | D | 1 |
| Daimyojin | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 33 | Keiichi Mizutani | D | 3 |
| Daimyojin | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 33 | Masato Kito | D | 3 |
| Daimyojin | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 33 | Hiroyuki Kondo | D | 3 |
| Valvoline | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 14 | Tetsuya Kasai | D | 3 |
| Valvoline | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 14 | Shigeki Matsui | D | 3 |
| Valvoline | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 14 | Koichi Tahara | D | 3 |
| Capris Enterprise | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 15 | Kazuyoshi Sakamoto | D | 1 |
| Capris Enterprise | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 15 | Hiroshi Noda | D | 1 |
| Kansai Jukosha | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 16 | Hideki Ogawa | D | 1, 3 |
| Kansai Jukosha | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 16 | Shuji Fujii | D | 1, 3 |
| Kansai Jukosha | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 16 | Kenji Iya | D | 3 |
| Kansai Jukosha | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 76 | Hideki Ogawa | D | 2 |
| Kansai Jukosha | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 76 | Shuji Fujii | D | 2 |
| From A Racing | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 17 | Jiro Yoneyama | D | 1 |
| From A Racing | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 17 | Chikage Oguchi | D | 1 |
| Car Shop Kakogawa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 18 | Kiyotaka Nonomura | D | 1 |
| Car Shop Kakogawa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 18 | Mitsuo Yamamoto | D | 1 |
| Car Shop Kakogawa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 39 | Kiyotaka Nonomura | D | 2 |
| Car Shop Kakogawa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 39 | Mitsuo Yamamoto | D | 2 |
| Norikura | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 18 | Yoshimasa Fujiwara | D | 2 |
| Norikura | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 18 | Masahiro Shimada | D | 2 |
| Racing Service Showa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 21 | Naoki Wakasugi | D | 1 |
| Racing Service Showa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 21 | Teruki Koshino | D | 1 |
| Racing Service Showa | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 35 | Teruki Koshino | D | 3 |
| Racing Service Showa | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 35 | Koji Sato | D | 3 |
| Racing Service Showa | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 35 | Yukinobu Mizutani | D | 3 |
| Trust Racing Team | Toyota | Toyota Celica LB Turbo | Toyota 18R-G 2.1 L Turbo I4 | 21 | Ryusaku Hitomi | D | 3 |
| Trust Racing Team | Toyota | Toyota Celica LB Turbo | Toyota 18R-G 2.1 L Turbo I4 | 21 | Mitsutake Koma | D | 3 |
| OlonaminC | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 22 | Yoshimasa Fujiwara | D | 1 |
| OlonaminC | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 22 | Masahiro Shimada | D | 1 |
| THK Bearing | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 22 | Fumiko Shinoda | D | 3 |
| THK Bearing | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 22 | Shigehito Hirabayashi | D | 3 |
| Cockpit Inazawa | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 24 | Takayoshi Fukaya | B | 1 |
| Cockpit Inazawa | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 24 | Koji Sato | B | 1 |
| Fuminori Shimogishi | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 25 | Fuminori Shimogishi | D | 3 |
| Fuminori Shimogishi | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 25 | Zenkichi Maruko | D | 3 |
| Fuminori Shimogishi | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 25 | Kozo Kamata | D | 3 |
| Mariko Racing Team | West | West 83S-II | Subaru EA81 1.8 L F4 | 27 | Junichi Ikura | D | 1–2 |
| Mariko Racing Team | West | West 83S-II | Subaru EA81 1.8 L F4 | 27 | Yukio Mihagawa | D | 1–2 |
| Jonian Ogawa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 29 | Hideki Iida | D | 3 |
| Jonian Ogawa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 29 | Taido Hashimoto | D | 3 |
| Jonian Ogawa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 29 | Yoshinori Sakurai | D | 3 |
| Hiro Racing | Hiro | Hiro HRS-1 | Mazda RE13B 1.3 L 2-rotor | 30 | Masashi Kitagawa | D | 3 |
| Hiro Racing | Hiro | Hiro HRS-1 | Mazda RE13B 1.3 L 2-rotor | 30 | Kozo Okumura | D | 3 |
| Hiro & OOE | Toyota | Toyota Starlet | Toyota 4K-E 1.3 L I4 | 31 | Yoshimasa Nakamura | Y | 1 |
| Hiro & OOE | Toyota | Toyota Starlet | Toyota 4K-E 1.3 L I4 | 31 | Kazuya Nishiyama | Y | 1 |
| Oguri Tekko | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 32 | Koichi Nishikawa | D | 3 |
| Oguri Tekko | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 32 | Yasumi Fukao | D | 3 |
| Taku | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 34 | Kaoru Iida | D | 2 |
| Taku | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 34 | Koichi Iwaki | D | 2 |
| Desbea | Mazda | Mazda RX-7 825 | Mazda RE13B 1.3 L 2-rotor | 36 | Masahiro Kimoto | D | 3 |
| Desbea | Mazda | Mazda RX-7 825 | Mazda RE13B 1.3 L 2-rotor | 36 | Norimasa Sakamoto | D | 3 |
| Reconte | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 41 | Tetsuya Kasai | D | 1 |
| Reconte | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 41 | Ikuji Yamamoto | D | 1 |
| Geka | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 41 | Motozo Fujikawa | Y | 2 |
| Geka | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 41 | Tatsuki Yoshioka | Y | 2 |
| Geka | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 41 | Kazuyuki Yoshizaki | Y | 2 |
| Toda Toso | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 44 | Katsuhisa Toda | D | 1, 3 |
| Toda Toso | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 44 | Toyoaki Iwata | D | 1, 3 |
| First Morlding | Collage | Collage FM45 | Mazda RE13B 1.3 L 2-rotor | 45 | Makio Nonaka | D | 1, 3 |
| First Morlding | Collage | Collage FM45 | Mazda RE13B 1.3 L 2-rotor | 45 | Masuo Takada | D | 3 |
| Meiwa MSC | Honda | Honda Ballade Sports CR-X | Honda D16A 1.6 L I4 | 67 | Tsuguo Ohba | B | 3 |
| Meiwa MSC | Honda | Honda Ballade Sports CR-X | Honda D16A 1.6 L I4 | 67 | Masami Fujita | B | 3 |
| Meiwa MSC | Honda | Honda Ballade Sports CR-X | Honda D16A 1.6 L I4 | 67 | Katsuaki Sato | B | 3 |
| Team Yamato | Honda | Honda Civic | Honda EN1 1.3 L I4 | 68 | Ken Mizokawa | B | 1, 3 |
| Team Yamato | Honda | Honda Civic | Honda EN1 1.3 L I4 | 68 | Katsuaki Sato | B | 1 |
| Team Yamato | Honda | Honda Civic | Honda EN1 1.3 L I4 | 68 | Yoshimi Watanabe | B | 3 |
| Team Yamato | Honda | Honda Civic | Honda EN1 1.3 L I4 | 68 | Hiroyuki Makino | B | 3 |
| Watanabe Jidosha | Toyota | Toyota Starlet | Toyota 4K-E 1.3 L I4 | 69 | Satoshi Fujita | D | 1, 3 |
| Watanabe Jidosha | Toyota | Toyota Starlet | Toyota 4K-E 1.3 L I4 | 69 | Toshio Fujimura | D | 1, 3 |
| Setrab Racing by Yours | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 77 | Shigeharu Kumakura | D | 3 |
| Setrab Racing by Yours | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 77 | Toru Hirano | D | 3 |
| Setrab Racing by Yours | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 77 | Masako Fujikawa | D | 3 |
| NEF | BMW | BMW 320i | BMW S14 2.0 L I4 | 80 | Adrian Fu | D | 3 |
| NEF | BMW | BMW 320i | BMW S14 2.0 L I4 | 80 | Michael Liu | D | 3 |
| NEF | BMW | BMW 320i | BMW S14 2.0 L I4 | 80 | Daniel Latour | D | 3 |
| Top Fuel Racing | Mazda | Mazda RX-7 845 | Mazda RE13B 1.3 L 2-rotor | 88 | Hironobu Tatsumi | B | 3 |
| Top Fuel Racing | Mazda | Mazda RX-7 845 | Mazda RE13B 1.3 L 2-rotor | 88 | Mutsuo Kazama | B | 3 |
| Top Fuel Racing | Mazda | Mazda RX-7 845 | Mazda RE13B 1.3 L 2-rotor | 138 | Hironobu Tatsumi | B | 4 |
| Top Fuel Racing | Mazda | Mazda RX-7 845 | Mazda RE13B 1.3 L 2-rotor | 138 | Mutsuo Kazama | B | 4 |
| Top Fuel Racing | Mazda | Mazda RX-7 845 | Mazda RE13B 1.3 L 2-rotor | 138 | Yoshiyuki Ogura | B | 4 |
| Top Racing | Honda | Honda Prelude | Honda B20A 2.0 L I4 | 96 | Hideki Ahara | D | 1, 3 |
| Top Racing | Honda | Honda Prelude | Honda B20A 2.0 L I4 | 96 | Tamotsu Tomimatsu | D | 1, 3 |
| Top Racing | Honda | Honda Prelude | Honda B20A 2.0 L I4 | 96 | Nobuyoshi Kishimoto | D | 3 |
| Meiju Sport | Mazda | Mazda RX-7 254i | Mazda RE13B 1.3 L 2-rotor | 135 | Akio Morimoto | B | 4 |
| Meiju Sport | Mazda | Mazda RX-7 254i | Mazda RE13B 1.3 L 2-rotor | 135 | Seiichi Okada | B | 4 |
| Meiju Sport | Mazda | Mazda RX-7 254i | Mazda RE13B 1.3 L 2-rotor | 135 | Fuminori Shimogishi | B | 4 |
| Mazda Sport Car Club | Mazda | Mazda RX-7 254i | Mazda RE13B 1.3 L 2-rotor | 137 | Iwao Sugai | D | 4 |
| Mazda Sport Car Club | Mazda | Mazda RX-7 254i | Mazda RE13B 1.3 L 2-rotor | 137 | Hiroshi Sugai | D | 4 |

## Schedule

All races were held in Japan.
| Round | Race | Circuit | Date |
| 1 | International Suzuka 500 km | Suzuka Circuit | 1 April |
| 2 | RRC Tsukuba 4 Hours | Tsukuba Circuit | 1 July |
| 3 | International Suzuka 1000 km | Suzuka Circuit | 30 August |
| 4 | WEC-Japan | Fuji Speedway | 30 September |

## Season results

Season results are as follows:
| Round | Circuit | Winning Team |
| Round | Circuit | Winning Drivers |
| 1 | Suzuka Circuit | #1 Trust Racing Team [ja] Porsche 956 |
| 1 | Suzuka Circuit | Vern Schuppan Yoshimi Katayama |
| 2 | Tsukuba Circuit | #33 Team Taku Mazda 83C |
| 2 | Tsukuba Circuit | Taku Akikake Toru Shimegi |
| 3 | Suzuka Circuit Report | #19 Team Nova Porsche 956 |
| 3 | Suzuka Circuit Report | Geoff Lees Kunimitsu Takahashi Kenji Takahashi |
| 4 | Mt. Fuji Report | #2 Rothmans Porsche 956 |
| 4 | Mt. Fuji Report | John Watson Stefan Bellof |

## Point Ranking
### Drivers

| Rank | Drivers | Number/Team | Points | Wins |
| 1 | Naoki Nagasaka | #10 Auto Beaurex Motorsport Lotec M1C-BMW #62 Auto Beaurex Motorsport Lotec M1C-BMW #84 Auto Beaurex Motorsport Lotec M1C-BMW | 48 | 0 |
| 2 | Keiichi Suzuki | #10 Auto Beaurex Motorsport Lotec M1C-BMW #62 Auto Beaurex Motorsport Lotec M1C-BMW #84 Auto Beaurex Motorsport Lotec M1C-BMW | 48 | 0 |
| 3 | Vern Schuppan | #1 Trust Racing Team [ja] Porsche 956 #60 Trust Racing Team Porsche 956 | 47 | 1 |
| 4 | Yoshimi Katayama | #1 Trust Racing Team [ja] Porsche 956 #17 Mazdaspeed March 84G | 35 | 1 |
| 5 | Toru Shimegi | #33 Team Taku Mazda 83C #31 Team Taku Mazda 83C #83 Shimegi Racing Team Mazda 83C | 33 | 1 |