# 1985 All Japan Endurance Championship

The 1985 All Japan Endurance Championship was the third season of the All Japan Sports Prototype Championship. The 1985 champion was the #25 Advan Sports Nova Porsche 962C driven by Kunimitsu Takahashi.

## Entry list
### D/C/LD-1/LD-2

* 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 | All |
| Trust Racing Team | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 1 | Keiichi Suzuki | D | All |
| Trust Racing Team | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 1 | George Fouché | D | 5 |
| Alpha Cubic Racing Team | MCS | MCS Guppy | BMW M12/7 2.0 L I4 | 2 | Noritake Takahara | B | 1–2 |
| Alpha Cubic Racing Team | MCS | MCS Guppy | BMW M12/7 2.0 L I4 | 2 | Chiyomi Totani | B | 1–2 |
| Alpha Cubic Racing Team | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 2 | Noritake Takahara | B | 3–6 |
| Alpha Cubic Racing Team | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 2 | Chiyomi Totani | B | 3–6 |
| Alpha Cubic Racing Team | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 2 | Keiichi Suzuki | B | 3–4, 6 |
| Auto Beaurex Motorsport | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 3 | Naoki Nagasaka | D | 2–6 |
| Auto Beaurex Motorsport | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 3 | Taku Akaike | D | 2–6 |
| Auto Beaurex Motorsport | Lotec | Lotec M1C | BMW M88 3.5 L I6 | 84 | Kazuo Mogi | Y | All |
| Auto Beaurex Motorsport | Lotec | Lotec M1C | BMW M88 3.5 L I6 | 84 | Toshio Motohashi | Y | All |
| Garage Italya | Lancia | Lancia LC2/84 | Lancia 268C 2.6 L Twin Turbo V8 | 6 | Alessandro Nannini | D | 2–3 |
| Garage Italya | Lancia | Lancia LC2/84 | Lancia 268C 2.6 L Twin Turbo V8 | 6 | Henri Pescarolo | D | 2, 4–5 |
| Garage Italya | Lancia | Lancia LC2/84 | Lancia 268C 2.6 L Twin Turbo V8 | 6 | Lucio Cesario | D | 3, 5 |
| Rays Racing Division | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 8 | Hitoshi Ogawa | D | 2–6 |
| Rays Racing Division | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 8 | Tsunehisa Asai | D | 2–6 |
| Hasemi Motorsport | Nissan | Nissan Skyline Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 11 | Masahiro Hasemi | D | 1–2 |
| Hasemi Motorsport | Nissan | Nissan Skyline Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 11 | Takao Wada | D | 1–2 |
| Hasemi Motorsport | Nissan | Nissan R85V | Nissan VG30T/C 3.0 L Twin Turbo V6 | 11 | Masahiro Hasemi | D | 3–6 |
| Hasemi Motorsport | Nissan | Nissan R85V | Nissan VG30T/C 3.0 L Twin Turbo V6 | 11 | Takao Wada | D | 3–6 |
| Panasport Japan | LeMans | LeMans LM04C | Nissan LZ20B 2.1 L Turbo I4 | 12 | Keiji Matsumoto | B | 1–2 |
| Panasport Japan | LeMans | LeMans LM04C | Nissan LZ20B 2.1 L Turbo I4 | 12 | Osamu Nakako | B | 1–2 |
| Panasport Japan | LeMans | LeMans LM05C | Nissan FJ23T 2.3 L Turbo I4 | 12 | Osamu Nakako | B | 3–6 |
| Panasport Japan | LeMans | LeMans LM05C | Nissan FJ23T 2.3 L Turbo I4 | 12 | Akio Morimoto | B | 3–6 |
| Panasport Japan | LeMans | LeMans LM05C | Nissan FJ23T 2.3 L Turbo I4 | 12 | Emanuele Pirro | B | 5 |
| Central 20 Racing Team | LeMans | LeMans LM04C | Nissan LZ20B 2.1 L Turbo I4 | 20 | Haruhito Yanagida | D | 1–2 |
| Central 20 Racing Team | LeMans | LeMans LM04C | Nissan LZ20B 2.1 L Turbo I4 | 20 | Takamasa Nakagawa | D | 1–2 |
| Central 20 Racing Team | Lola | Lola T810 | Nissan VG30ET 3.0 L Twin Turbo V6 | 20 | Haruhito Yanagida | D | 3–6 |
| Central 20 Racing Team | Lola | Lola T810 | Nissan VG30ET 3.0 L Twin Turbo V6 | 20 | Takamasa Nakagawa | D | 3–6 |
| Hoshino Racing | Nissan | Nissan Silvia Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 23 | Kazuyoshi Hoshino | B | 1–2 |
| Hoshino Racing | Nissan | Nissan Silvia Turbo C | Nissan LZ20B 2.1 L Turbo I4 | 23 | Akira Hagiwara | B | 1–2 |
| Hoshino Racing | Nissan | Nissan R85V | Nissan VG30T/C 3.0 L Twin Turbo V6 | 23 | Kazuyoshi Hoshino | B | 3–6 |
| Hoshino Racing | Nissan | Nissan R85V | Nissan VG30T/C 3.0 L Twin Turbo V6 | 23 | Keiji Matsumoto | B | 3–6 |
| Hoshino Racing | Nissan | Nissan R85V | Nissan VG30T/C 3.0 L Twin Turbo V6 | 23 | Akira Hagiwara | B | 3–6 |
| ADVAN Sports Nova | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 25 | Kunimitsu Takahashi | Y | All |
| ADVAN Sports Nova | Porsche | Porsche 962C | Porsche 935/82 3.0 L Twin Turbo F6 | 25 | Kenji Takahashi | Y | All |
| From A Racing | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 27 | Jiro Yoneyama | D | All |
| From A Racing | Porsche | Porsche 956B | Porsche 935/79 2.6 L Twin Turbo F6 | 27 | Hideki Okada | D | All |
| Misaki Speed | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 35 | Kiyoshi Misaki | B | 5 |
| Misaki Speed | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 35 | Toshio Suzuki | B | 5 |
| Misaki Speed | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 35 | Kaoru Hoshino | B | 5 |
| TOM'S | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 36 | Satoru Nakajima | B | All |
| TOM'S | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 36 | Masanori Sekiya | B | All |
| TOM'S | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 36 | Kaoru Hoshino | B | 2–6 |
| Team Ikuzawa | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 37 | Tiff Needell | D | 2–6 |
| Team Ikuzawa | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 37 | James Weaver | D | 2–6 |
| Dome Motorsport | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 38 | Eje Elgh | D | 1 |
| Dome Motorsport | Toyota | TOM'S 84C | Toyota 4T-GT 2.1 L Turbo I4 | 38 | Geoff Lees | D | 1 |
| Dome Motorsport | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 38 | Geoff Lees | D | 2–6 |
| Dome Motorsport | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 38 | Toshio Suzuki | D | 2 |
| Dome Motorsport | Toyota | TOM'S 85C | Toyota 4T-GT 2.1 L Turbo I4 | 38 | Eje Elgh | D | 3–6 |
| Mazdaspeed | Mazda | Mazda 737C | Mazda RE13B 1.3 L 2-rotor | 85 | Yoshimi Katayama | D | 3–6 |
| Mazdaspeed | Mazda | Mazda 737C | Mazda RE13B 1.3 L 2-rotor | 85 | Takashi Yorino | D | 3–6 |
| Mazdaspeed | Mazda | Mazda 737C | Mazda RE13B 1.3 L 2-rotor | 86 | Yojiro Terada | D | All |
| Mazdaspeed | Mazda | Mazda 737C | Mazda RE13B 1.3 L 2-rotor | 86 | Yoshimi Katayama | D | 1–2 |
| Mazdaspeed | Mazda | Mazda 737C | Mazda RE13B 1.3 L 2-rotor | 86 | Takashi Yorino | D | 2 |
| Mazdaspeed | Mazda | Mazda 737C | Mazda RE13B 1.3 L 2-rotor | 86 | David Kennedy | D | 3–6 |
| Top Fuel Racing | Mazda | Mazda RX-7 845 | Mazda RE13B 1.3 L 2-rotor | 88 | Norimasa Sakamoto | B | 1–4 |
| Top Fuel Racing | Mazda | Mazda RX-7 845 | Mazda RE13B 1.3 L 2-rotor | 88 | Takayuki Imazu | B | 1 |
| Top Fuel Racing | Mazda | Mazda RX-7 845 | Mazda RE13B 1.3 L 2-rotor | 88 | Hironobu Tatsumi | B | 2–4 |
| Mr S Racing Product | MCS | MCS Guppy | BMW M12/7 2.0 L I4 | 96 | Shuji Fujii | D | 5 |
| Mr S Racing Product | MCS | MCS Guppy | BMW M12/7 2.0 L I4 | 96 | Seiichi Sodeyama | D | 5 |
| Mr S Racing Product | MCS | MCS Guppy | BMW M12/7 2.0 L I4 | 96 | Toru Sawada | D | 5 |

### B

| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Meiwa MSC | Honda | Honda Civic | Honda EN1 1.3 L I4 | 5 | Masami Fujita | B | 1 |
| Meiwa MSC | Honda | Honda Civic | Honda EN1 1.3 L I4 | 5 | Ken Mizokawa | B | 1 |
| Toru Hirano | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 5 | Toru Hirano | B | 4 |
| Toru Hirano | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 5 | Genshoku Nakagawa | B | 4 |
| Toru Hirano | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 5 | Akihiro Matsuda | B | 4 |
| Toru Hirano | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 55 | Toru Hirano | B | 1 |
| Toru Hirano | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 55 | Hirofumi Nishi | B | 1 |
| Shinryo Auto | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 6 | Akihiro Masuda | D | 1 |
| Seabreeze | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 7 | Hajime Oshiro | D | 4 |
| Seabreeze | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 7 | Hideshi Matsuda | D | 4 |
| Seabreeze | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 7 | Eiji Yamada | D | 4 |
| Auto Kamida | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 8 | Masaharu Kinoshita | D | 1 |
| Auto Kamida | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 9 | Shuji Fujii | D | 1 |
| Auto Kamida | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 17 | Masako Fujiwara | D | 4 |
| Auto Kamida | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 17 | Michiko Okuyama | D | 4 |
| Auto Kamida | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 17 | Hideki Ogawa | D | 4 |
| Ishida Racing | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 10 | Nobuyuki Saka | B | 1 |
| Ishida Racing | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 10 | Nobuo Naka | B | 1 |
| Ishida Racing | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 14 | Nobuyuki Saka | B | 4 |
| Ishida Racing | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 14 | Nobuo Naka | B | 4 |
| Auto European | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 13 | Katsunori Iketani | B | 4 |
| Auto European | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 13 | Hideo Hosoya | B | 4 |
| Auto European | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 13 | Ryuji Nakajima | B | 4 |
| Capris Enterprise | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 15 | Kazuyoshi Sakamoto | B | 4 |
| Capris Enterprise | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 15 | Hiroshi Noda | B | 4 |
| Capris Enterprise | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 15 | Kenji Iya | B | 4 |
| Daiichi Hanbai | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 16 | Ichiro Mizuno | B | 1 |
| Daiichi Hanbai | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 16 | Taido Hashimoto | B | 1 |
| Daiichi Hanbai | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 24 | Ichiro Mizuno | B | 4 |
| Daiichi Hanbai | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 24 | Taido Hashimoto | B | 4 |
| Daiichi Hanbai | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 24 | Yoshinori Sakurai | B | 4 |
| Tokico | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 18 | Kazuhiko Oda | D | 2–4 |
| Tokico | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 18 | Akira Watanabe | D | 2–4 |
| Tokico | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 18 | Makoto Ohto | D | 3 |
| Samejima SS | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 19 | Takamasa Nakagawa | D | 4 |
| Samejima SS | West | West 85S | Mazda RE13B 1.3 L 2-rotor | 19 | Shuji Hyodo | D | 4 |
| KanBS | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 21 | Yukinobu Mizutani | D | 1 |
| KanBS | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 21 | Yoshinori Sakurai | D | 1 |
| Target 1/Cosmos | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 22 | Yukinobu Mizutani | D | 4 |
| Target 1/Cosmos | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 22 | Masaki Ohashi | D | 4 |
| Target 1/Cosmos | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 22 | Yoshifumi Yamazaki | D | 4 |
| Cream Matsugae | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 29 | Norihiro Takeda | D | 1 |
| Cream Matsugae | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 29 | Shinji Yamauchi | D | 1 |
| Hiro Racing | Hiro | Hiro HRS-1 | Mazda RE13B 1.3 L 2-rotor | 30 | Kozo Okumura | D | 4 |
| Hiro Racing | Hiro | Hiro HRS-1 | Mazda RE13B 1.3 L 2-rotor | 30 | Fuminori Shimogishi | D | 4 |
| Horii Racing | West | West 83S-II | Honda EN1 1.3 L I4 | 31 | Nobuyoshi Horii | B | 1, 4 |
| Horii Racing | West | West 83S-II | Honda EN1 1.3 L I4 | 31 | Kenji Abe | B | 1, 4 |
| Central Supply | West | West 83S-II | Honda EN1 1.3 L I4 | 32 | Kazuo Emi | B | 4 |
| Central Supply | West | West 83S-II | Honda EN1 1.3 L I4 | 32 | Toshiharu Suzuki | B | 4 |
| Daimyojin | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 33 | Keiichi Mizutani | D | 1 |
| Daimyojin | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 33 | Hiroyuki Kondo | D | 1 |
| Cockpit Inazawa | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 37 | Tetsuya Kasai | B | 1 |
| Cockpit Inazawa | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 37 | Koji Sato | B | 1 |
| THK Bearing | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 37 | Tetsuya Kasai | B | 4 |
| THK Bearing | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 37 | Koji Sato | B | 4 |
| THK Bearing | Manatee | Manatee Mk.IV | Mazda RE13B 1.3 L 2-rotor | 37 | Fumiko Shinoda | B | 4 |
| First Morlding | Collage | Collage FM45 | Mazda RE13B 1.3 L 2-rotor | 45 | Makio Nonaka | D | 1, 4 |
| First Morlding | Collage | Collage FM45 | Mazda RE13B 1.3 L 2-rotor | 45 | Masuo Takada | D | 4 |
| Team A-One | Oscar | Oscar SK85 | Mazda RE13B 1.3 L 2-rotor | 46 | Keiichi Mizutani | D | 4 |
| Team A-One | Oscar | Oscar SK85 | Mazda RE13B 1.3 L 2-rotor | 46 | Sadayumi Nakajima | D | 4 |
| Shuroku Sasaki | Oscar | Oscar SK85 | Mazda RE13B 1.3 L 2-rotor | 47 | Shuroku Sasaki | D | 4 |
| Shuroku Sasaki | Oscar | Oscar SK85 | Mazda RE13B 1.3 L 2-rotor | 47 | Hisatoyo Goto | D | 4 |
| Seiichi Sodeyama | Maxim | Maxim 61S | Mazda RE13B 1.3 L 2-rotor | 61 | Seiichi Sodeyama | D | 4 |
| Seiichi Sodeyama | Maxim | Maxim 61S | Mazda RE13B 1.3 L 2-rotor | 61 | Shigeki Matsui | D | 4 |
| Motul | West | West 83S-II | Honda EN1 1.3 L I4 | 66 | Masashi Kitagawa | B | 1, 4 |
| Motul | West | West 83S-II | Honda EN1 1.3 L I4 | 66 | Toshiharu Murata | B | 1, 4 |
| Team Yamato | Honda | Honda Ballade Sports CR-X | Honda D16A 1.6 L I4 | 67 | Tsuguo Ohba | B | 1–4, 6 |
| Team Yamato | Honda | Honda Ballade Sports CR-X | Honda D16A 1.6 L I4 | 67 | Katsuaki Sato | B | 1–2, 4 |
| Team Yamato | Honda | Honda Ballade Sports CR-X | Honda D16A 1.6 L I4 | 67 | Ken Mizokawa | B | 2–4, 6 |
| Tuning Shop First | Toyota | Toyota Sprinter Trueno | Toyota 4A 1.6 L I4 | 68 | Satoshi Fujita | D | 4 |
| Tuning Shop First | Toyota | Toyota Sprinter Trueno | Toyota 4A 1.6 L I4 | 68 | Shuzo Harako | D | 4 |
| Tuning Shop First | Toyota | Toyota Sprinter Trueno | Toyota 4A 1.6 L I4 | 68 | Toshio Fujimura | D | 4 |
| Senki | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 77 | Senkichiro Takeuchi | D | 4 |
| Senki | West | West 83S-II | Mazda RE13B 1.3 L 2-rotor | 77 | Seiji Omura | D | 4 |
| NEF | BMW | BMW 320i | BMW S14 2.0 L I4 | 80 | Adrian Fu | D | 4 |
| NEF | BMW | BMW 320i | BMW S14 2.0 L I4 | 80 | Michael Liu | D | 4 |

### A

| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Kawamura Bankin | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 10 | Yasumi Fukao | D | 1 |
| Kawamura Bankin | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 10 | Koichi Nishikawa | D | 1 |
| Ogawa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 15 | Shigehito Hirabayashi | D | 1 |
| Ogawa | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 15 | Hideki Iida | 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 |
| Nagao Fukushima | Toyota | Toyota Starlet | Toyota 4K-E 1.3 L I4 | 98 | Nagao Fukushima | D | 1 |
| Nagao Fukushima | Toyota | Toyota Starlet | Toyota 4K-E 1.3 L I4 | 98 | Kazuhiro Tokuda | D | 1 |

### GTX

| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Norikura Engineering | Nissan | Nissan Silvia | Nissan FJ20 2.1 L I4 | 176 | Yoshimasa Fujiwara | B | 5 |
| Norikura Engineering | Nissan | Nissan Silvia | Nissan FJ20 2.1 L I4 | 176 | Makio Nonaka | B | 5 |
| Norikura Engineering | Nissan | Nissan Silvia | Nissan FJ20 2.1 L I4 | 176 | Junichi Igura | B | 5 |

### LD-2

| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Sansho Kogyo | Mazda | Mazda RX-7 825 | Mazda RE13B 1.3 L 2-rotor | 6 | Yoshimasa Matsumoto | D | 6 |
| Sansho Kogyo | Mazda | Mazda RX-7 825 | Mazda RE13B 1.3 L 2-rotor | 6 | Kenichi Kaneko | D | 6 |
| All by Tabata | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 7 | Kenji Shiono | D | 3 |
| All by Tabata | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 7 | Masami Yoshino | D | 3 |
| RE Amemiya | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 14 | Satoshi Egura | D | 3 |
| RE Amemiya | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 14 | Isao Itagaki | D | 3 |
| RE Amemiya | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 14 | Yasuo Inoue | D | 3 |
| ERC | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 16 | Masaatsu Oya | D | 3, 6 |
| ERC | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 16 | Kinji Suzuki | D | 3, 6 |
| OZ Racing | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 24 | Kenji Seino | D | 2, 6 |
| OZ Racing | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 24 | Mutsuo Kazama | D | 2, 6 |
| Mazda Sport Car Club | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 30 | Iwao Sugai | D | 2–3, 6 |
| Mazda Sport Car Club | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 30 | Hiroshi Sugai | D | 2–3, 6 |
| Mazda Auto Nishi Tokyo | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 55 | Toshiyuki Abe | D | 2, 6 |
| Mazda Auto Nishi Tokyo | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 55 | Toshihiro Fukazawa | D | 2, 6 |
| Mazda Auto Nishi Tokyo | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 55 | Shigeru Miura | D | 2, 6 |
| gains/OPTION | Nissan | Nissan Fairlady Z | Mazda RE13B 1.3 L 2-rotor | 56 | Eiji Yamada | Y | 2–3, 6 |
| gains/OPTION | Nissan | Nissan Fairlady Z | Mazda RE13B 1.3 L 2-rotor | 56 | Nobuo Komiya | Y | 2–3, 6 |
| gains/OPTION | Nissan | Nissan Fairlady Z | Mazda RE13B 1.3 L 2-rotor | 56 | Shinichi Katsura | Y | 2 |
| AMRC | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 61 | Shinya Nishizawa | D | 3 |
| AMRC | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 61 | Fumio Suzuki | D | 3 |
| AMRC | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 81 | Shinya Nishizawa | D | 3 |
| AMRC | Mazda | Mazda RX-7 253 | Mazda RE13B 1.3 L 2-rotor | 81 | Fumio Suzuki | D | 3 |
| Build Factory | Nissan | Nissan Fairlady Z | Mazda RE13B 1.3 L 2-rotor | 68 | Tetsuya Kawasaki | D | 3, 6 |
| Build Factory | Nissan | Nissan Fairlady Z | Mazda RE13B 1.3 L 2-rotor | 68 | Shuji Fujii | D | 3, 6 |
| Tomei Jidosha | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 71 | Yoshiaki Jitsukawa | D | 3, 6 |
| Tomei Jidosha | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 71 | Motoji Sekine | D | 3 |
| Tomei Jidosha | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 71 | Hiroyuki Nodi | D | 6 |
| Koyata Engei Racing | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 80 | Shigeru Yokoyama | Y | 2–3, 6 |
| Koyata Engei Racing | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 80 | Akio Yokoyama | Y | 2–3, 6 |
| Koyata Engei Racing | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 80 | Hachiro Saeki | Y | 2 |
| Koyata Engei Racing | Mazda | Mazda RX-7 254 | Mazda RE13B 1.3 L 2-rotor | 80 | Kenichi Suzuki | Y | 3 |

### LD-3

| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Myspeed | Toyota | Toyota Sprinter Trueno | Toyota 4A 1.6 L I4 | 5 | Koichi Tahara | D | 2 |
| Myspeed | Toyota | Toyota Sprinter Trueno | Toyota 4A 1.6 L I4 | 5 | "A. Kharn" | D | 2 |
| Toshio Aoyama | Toyota | Toyota Corolla Levin | Toyota 4A 1.6 L I4 | 19 | Toshio Aoyama | D | 6 |
| Toshio Aoyama | Toyota | Toyota Corolla Levin | Toyota 4A 1.6 L I4 | 19 | Yoshio Shimada | D | 6 |
| Trust Racing Team | Toyota | Toyota Celica LB Turbo | Toyota 18R-G 2.1 L Turbo I4 | 21 | Ryusaku Hitomi | D | 2–3, 6 |
| Trust Racing Team | Toyota | Toyota Celica LB Turbo | Toyota 18R-G 2.1 L Turbo I4 | 21 | Mitsutake Koma | D | 2–3, 6 |
| Trust Racing Team | Toyota | Toyota Celica LB Turbo | Toyota 18R-G 2.1 L Turbo I4 | 21 | Shinichi Katsura | D | 3 |
| Asano Racing Service | Toyota | Toyota Corolla Levin | Toyota 4A 1.6 L I4 | 47 | Takeo Asano | B | 6 |
| Asano Racing Service | Toyota | Toyota Corolla Levin | Toyota 4A 1.6 L I4 | 47 | Yuji Nihei | B | 6 |
| Kaneshin | Toyota | Toyota Starlet | Toyota 4K-E 1.3 L I4 | 48 | Masanori Kimura | B | 6 |
| Kaneshin | Toyota | Toyota Starlet | Toyota 4K-E 1.3 L I4 | 48 | Terumi Kuwahara | B | 6 |
| Sinzan Tyre | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 50 | Hirofumi Sada | Y | 6 |
| Sinzan Tyre | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 50 | Masahiro Akiyama | Y | 6 |

### LD-4

| Team | Make | Car | Engine | No. | Drivers | Tyre | Rounds |
| Chubu Jidosha Racing | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 10 | Hiroyuki Nodi | Y | 1 |
| Chubu Jidosha Racing | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 10 | Masami Ishikawa | Y | 1 |
| Chubu Jidosha Racing | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 10 | Makoto Nakamura | Y | 1 |
| Matsuoka | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 31 | Yuji Furuya | B | 3 |
| Matsuoka | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 31 | "S. Sumitashachi" | B | 3 |
| SCCN | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 50 | Masao Endo | B | 3 |
| SCCN | Nissan | Nissan Sunny | Nissan A12 1.3 L I4 | 50 | Michie Shinbori | B | 3 |

## Schedule

All races were held in Japan.
| Round | Race | Circuit | Date |
| 1 | International Suzuka 500 km | Suzuka Circuit | 7 April |
| 2 | All Japan Fuji 1000 km | Fuji Speedway | 5 May |
| 3 | All Japan Fuji 500 Miles | Fuji Speedway | 28 July |
| 4 | International Suzuka 1000 km | Suzuka Circuit | 25 August |
| 5 | WEC-Japan | Fuji Speedway | 10 October |
| 6 | All Japan Fuji 500 km | Fuji Speedway | 24 November |

## Season results

Season results are as follows:
| Round | Circuit | Winning Team |
| Round | Circuit | Winning Drivers |
| 1 | Suzuka Circuit Report | #38 Dome Motorsport Dome 84C-Toyota |
| 1 | Suzuka Circuit Report | Geoff Lees Eje Elgh |
| 2 | Mt. Fuji Report | #1 Trust Racing Team [ja] Porsche 956 |
| 2 | Mt. Fuji Report | Vern Schuppan Keiichi Suzuki |
| 3 | Mt. Fuji | #25 Advan Sports Nova [ja] Porsche 962C |
| 3 | Mt. Fuji | Kunimitsu Takahashi Kenji Takahashi |
| 4 | Suzuka Circuit Report | #25 Advan Sports Nova [ja] Porsche 962C |
| 4 | Suzuka Circuit Report | Kunimitsu Takahashi Kenji Takahashi |
| 5 | Mt. Fuji Report | #28 Hoshino Racing March 85G |
| 5 | Mt. Fuji Report | Kazuyoshi Hoshino Akira Hagiwara Keiji Matsumoto |
| 6 | Mt. Fuji | #25 Advan Sports Nova [ja] Porsche 962C |
| 6 | Mt. Fuji | Kunimitsu Takahashi Kenji Takahashi |

## Point Ranking
### Drivers

| Rank | Drivers | Number/Team | Points | Wins |
| 1 | Kunimitsu Takahashi | #25 Advan Sports Nova [ja] Porsche 962C | 72 | 3 |
| 2 | Kenji Takahashi | #25 Advan Sports Nova [ja] Porsche 962C | 72 | 3 |
| 3 | Vern Schuppan | #1 Trust Racing Team [ja] Porsche 956 #60 Trust Racing Team Porsche 956 | 46 | 1 |
| 4 | Geoff Lees | #38 Dome Motorsport Dome 84C-Toyota #38 Dome Motorsport Dome 85C-Toyota | 41 | 1 |
| 5 | Eje Elgh | #38 Dome Motorsport Dome 84C-Toyota #38 Dome Motorsport Dome 85C-Toyota | 36 | 1 |