The 1983 All Japan Endurance Championship was the inaugural season of the All Japan Sports Prototype Championship. The series champion was the #1 Trust Racing Team Porsche 956 driven by Australian Vern Schuppan, who earlier in the year had won the 1983 24 Hours of Le Mans.

Entry list C 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 Vern Schuppan All Naohiro Fujita All Alpha Cubic Racing Team MCS MCS Guppy BMW M12/7 2.0 L I4 Chiyomi Totani All Taku Akaike All Hasemi Motorsport Nissan Nissan Skyline Turbo C Nissan LZ20B 2.1 L Turbo I4 Masahiro Hasemi 2–3 Kenji Tohira 2–3 Mazdaspeed Mazda Mazda 717C Mazda RE13B 1.3 L Twin Turbo 2-rotor16 Yojiro Terada 3 Takashi Yorino 3 Pierre Dieudonné 3 TOM'S Toyota Toyota TOM'S Celica C Toyota 3T-G 2.0 L I4 17 Keiji Matsumoto 1 Masanori Sekiya 1 Kaoru Hoshino 1 TOM'S 83C Toyota 4T-G 2.1 L Twin Turbo I4 Keiji Matsumoto 2–3 Masanori Sekiya 2–3 Kaoru Hoshino 2–3 Central 20 Racing Team Nissan Nissan Fairlady Z Turbo C Nissan LZ20B 2.1 L Twin Turbo I4 20 Haruhito Yanagida 3 Takao Wada 3 Hoshino Racing Nissan Nissan Silvia Turbo C Nissan LZ20B 2.1 L Turbo I4 23 Kazuyoshi Hoshino 2–3 Akira Hagiwara 2–3 Team Ikuzawa Toyota Toyota TOM'S Celica C Toyota 3T-G 2.0 L I4 37 Geoff Lees 3 Derek Daly 3 Toshio Suzuki 3 Auto Beaurex Motorsport Lotec Lotec M1C BMW M88 3.5 L I6 65 Naoki Nagasaka 3 Kurt Lotterschmid 3 Keiichi Suzuki 3 Autobacs Dome Motorsport Dome Dome RC83 Ford DFL 4.0 L V8 77 Eje Elgh 2–3 Tiff Needell 2–3 Misaki Speed MCS MCS Guppy Toyota 18R-G 2.2 L Turbo I4 (Rd. 2)Toyota 4T-GT 2.1 L Turbo I4 (Rd. 3) 81 Kiyoshi Misaki 2–3 Masakazu Nakamura 2–3 Panasport Japan Panasport Panasport C BMW M12/7 2.0 L I4 88 Aguri Suzuki 3 Toshio Motohashi 3

B Team Make Car Engine No. Drivers Tyre Rounds Katayama Racing Mazda Mazda RX-7 254 Mazda RE13B 1.3 L 2-rotor 2 Yoshimi Katayama 2 Tsunehisa Asai 2 Alpha Cubic Racing Team Mazda Mazda RX-7 825 Mazda RE13B 1.3 L 2-rotor 3 Chiyomi Totani 1 Taku Akaike 1 MO Racing Mazda Mazda RX-7 253 Mazda RE13B 1.3 L 2-rotor 5 Hiroyuki Ono 1 Kazuo Mogi 1 Capris Enterprise Mazda Mazda RX-7 253 Mazda RE13B 1.3 L 2-rotor 6 Kazuyoshi Sakamoto 1–2 Kenji Iya 1–2 Yours Sports Mazda Mazda RX-7 254 Mazda RE13B 1.3 L 2-rotor 7 Takashi Yorino 1–2 Chikage Oguchi 1–2 Mazda RX-7 253 8 Takashi Tosa 1–2 Hideki Okada 1–2 TRS Itabashi Mazda Mazda RX-7 253 Mazda RE13B 1.3 L 2-rotor 10 Tsutomu Itabashi 2 Tetsuji Tabata 2 Masahiro Kimoto 2 Malibu Motor Sports Club Mazda Mazda RX-7 253 Mazda RE13B 1.3 L 2-rotor 12 Hironobu Tatsumi 2 Yoshimasa Matsumoto 2 Yoshiyuki Ogura 2 Orient Speed Isuzu Isuzu Piazza Isuzu 4ZC1 2.0 L I4 14 Akihiko Koto 1 Shuichi Ogata 1 Yoshiro Takaoka Subaru Subaru Leone Subaru EA81 1.8 L F4 14 Yoshiro Takaoka 2 Koichi Tahara 2 Akihiko Nakaya 2 Japan Sports Car Club Mazda Mazda RX-7 253 Mazda RE13B 1.3 L 2-rotor 17 Yoshimasa Matsumoto 1 JACS Racing Team Mazda Mazda RX-7 253 Mazda RE13B 1.3 L 2-rotor 25 Kozo Kamata 2 Tetsuya Ota 2 Nagata Racing Toyota Toyota Corolla Toyota 18R-G 2.0 L I4 27 Tetsuhide Nagata 2 Koichi Iwaki 2 Makoto Nakamura 2 Akeno Car Mazda Mazda RX-7 253 Mazda RE13B 1.3 L 2-rotor 33 Fumio Inagaki 1 Masaaki Imai 1 Marukatsu Racing Chevrolet Chevrolet Corvette Chevrolet LS6 7.4 L V8 93 Tomohiko Tsutsumi 1 Shuroku Sasaki 1 Tomei Jidosha Nissan Nissan 240RS Nissan FJ24 2.4 L I4 102 Eiji Shibuya 3 Fumio Aiba 3

A Team Make Car Engine No. Drivers Tyre Rounds Horii Racing West West 83S Subaru EA81 1.8 L F4 5 Nobuyoshi Horii 2 Hajime Kajiwara 2 Mariko Racing Team West West 83S Subaru EA81 1.8 L F4 9 Osamu Nakajima 2 Kazunori Kyutoku 2 Autobacs Racing Team Toyota Toyota Starlet Toyota 4K-E 1.3 L I4 10 Ron Brown 1 Hideo Fukuyama 1 Cockpit Inazawa Daihatsu Daihatsu Consorte Toyota 4K-E 1.3 L I4 11 Shigehito Hirabayashi 1 Koji Sato 1 KSCC Toyota Toyota Starlet Toyota 4K-E 1.3 L I4 12 Taido Hashimoto 1 Masaharu Kinoshita 1 Koichi Nishikawa Nissan Nissan Sunny Nissan A12 1.3 L I4 15 Koichi Nishikawa 2 Yasumi Fukao 2 Hiro Racing Toyota Toyota Starlet Toyota 4K-E 1.3 L I4 16 Makoto Iwasaki 1 Masashi Kitagawa 1 30 Makoto Iwasaki 2 Kozo Okumura 2 Hideki Ogawa West West 83S Subaru EA81 1.8 L F4 16 Hideki Ogawa 2 Shuji Fujii 2 Makio Nonaka 2 ARCN Nissan Nissan Sunny Nissan A12 1.3 L I4 18 Kiyotaka Nonomura 1–2 Mitsuo Yamamoto 1–2 Central 20 Racing Team Nissan Nissan Sunny Nissan A12 1.3 L I4 20 Hiroshi Tomioka 1 Peter Chau 2 "S. Kockie" 2 Suda Racing Toyota Toyota Starlet Toyota 4K-E 1.3 L I4 21 Yoshinori Sakurai 1–2 Masafumi Suda 1 Hideki Iida 2 Kumida Racing West West 83S Subaru EA81 1.8 L F4 22 Yukio Minagawa 2 Seiji Omura 2 Racing Service Masakazu Nissan Nissan Sunny Nissan A12 1.3 L I4 24 Teruki Koshino 2 Koji Sato 2 Umeda Tuning Shop Nissan Nissan Sunny Nissan A12 1.3 L I4 26 Masahiro Shimada 2 Yoshimasa Fujiwara 2 Kyoko Racing Club Nissan Nissan Sunny Nissan A12 1.3 L I4 44 Katsuhisa Toda 2 Toyoaki Iwata 2 Team Yamato Honda Honda Civic Honda EN1 1.3 L I4 68 Tsuguo Ohba 1–2 Katsuaki Sato 1–2 TMSC Toyota Toyota Starlet Toyota 4K-E 1.3 L I4 69 Satoshi Fujita 1–2 Shuji Fujii 1–2 Bellco West West West 83S Subaru EA81 1.8 L F4 76 Hideki Ogawa 1 Makio Nonaka 1 NRC Toyota Toyota Starlet Toyota 4K-E 1.3 L I4 92 Masahiro Kimoto 1 Norimasa Sakamoto 1

GT Japan Team Make Car Engine No. Drivers Tyre Rounds Yours Sports Mazda Mazda RX-7 254 Mazda RE13B 1.3 L 2-rotor 120 Hideki Okada 3 Akio Morimoto 3 Seiichi Okada 3 121 Chikage Oguchi 3 Toshio Fujimura 3 Trust Racing Team Toyota Toyota Celica Toyota 18R-G 2.0 L I4 122 Ryusaku Hitomi 3 Mitsutake Koma 3 ERC Racing Mazda Mazda RX-7 253 Mazda RE13B 1.3 L 2-rotor 123 Masaatsu Ohya 3 Shinichi Katsuki 3 Yoshio Ishikawa 3 Sansho Kogyo Racing Team Mazda Mazda RX-7 825 Mazda RE13B 1.3 L 2-rotor 125 Toru Shimegi 3 Yoshiyuki Ogura 3 Yoshimasa Matsumoto 3 Mishima Auto Racing Mazda Mazda RX-7 253 Mazda RE13B 1.3 L 2-rotor 126 Minoru Sawada 3 Kaneyuki Okamoto 3 Toyoshi Sugiyama 3 TRS Itabashi Mazda Mazda RX-7 253i Mazda RE13B 1.3 L 2-rotor 130 Tsutomu Itabashi 3 Tetsuji Tabata 3 Kimiya Iwanalaya 3 Oneri Wenyapaimi 3 Team No. 3 Racing Mazda Mazda RX-7 253i Mazda RE13B 1.3 L 2-rotor 133 Seiji Kusano 3 Yasuhiro Isozaki 3 Tadao Furusawa 3 Gotanzaka Enterprise Nissan Nissan Fairlady Z Nissan L28E 2.8 L I6 136 Yoshio Nagata 3 Hiroyuki Miyagawa 3 Takamichi Shinohara 3 Tomei Jidosha Nissan Nissan Sunny Nissan LZ14 1.6 L I4 171 Yoshiaki Jitsukawa 3 Motoji Sekine 3 Shizumatsu Racing Mazda Mazda RX-7 254 Mazda RE13B 1.3 L 2-rotor 180 Tetsuji Shiratori 3 Seisaku Suzuki 3 Osamu Ihara 3 Mazda Sport Car Club Mazda Mazda RX-7 254 Mazda RE13B 1.3 L 2-rotor 181 Kenji Seino 3 Masashi Kitagawa 3 Yasaharu Nakajima 3 182 Kanjun Arai 3 Yuichi Hagiwara 3 Minoru Yajima 3

Schedule All races were held in Japan. Round Race Circuit Date 1 International Suzuka 500 km Suzuka Circuit 3 April 2 International Suzuka 1000 km 28 August 3 WEC-Japan Fuji Speedway 2 October

Season results Season results are as follows:

Round Circuit Winning team Winning drivers 1 Suzuka Circuit #1 Trust Porsche 956 Vern Schuppan Naohiro Fujita 2 Suzuka CircuitReport #1 Trust Porsche 956 Vern Schuppan Naohiro Fujita 3 Mt. FujiReport #2 Rothmans Porsche 956 Derek Bell Stefan Bellof

Point Ranking

Drivers RankDriversNumber/Team Points Wins 1 Vern Schuppan #1 Trust Porsche 956#6 Trust Racing Team Porsche 956 52 2 2 Naohiro Fujita 52 2 3 Taku Akaike #7 Alpha Racing Team MCS Guppy-Mazda#62 Alpha Racing Team Mazda 83C 24 0 4 Stefan Bellof #2 Rothmans Porsche 956 20 1 5 Derek Bell 20 1

Notes

References

External links 1983 全日本耐久レース選手権