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 All Japan Fuji 500 km Fuji Speedway 10 March
2 All Japan Fuji 1000 km Fuji Speedway 5 May
3 All Japan Fuji 500 Miles Fuji Speedway 21 July
4 International Suzuka 1000 km Suzuka Circuit 25 August
5 SUGO Inter 500 km Sportsland SUGO 16 September
6 Interchallenge Fuji 1000 km Fuji Speedway 6 October
7 SUGO Inter 500 Miles Sportsland SUGO 3 November

Entry list

Team Make Car Engine No. Drivers Tyre Rounds
Nissan Motorsports Nissan Nissan R90CP
Nissan R91CP
Nissan VRH35Z 3.5 L Twin Turbo V8 1 Masahiro Hasemi B All
Anders Olofsson All
23 Kazuyoshi Hoshino All
Toshio Suzuki All
Team Taisan Porsche Porsche 962C Porsche 935/82 3.0 L Twin Turbo F6 2 Kunimitsu Takahashi Y 1–2
Stanley Dickens 1–2
Will Hoy 2
Porsche 962/83 3.2 L Twin Turbo F6 3 Will Hoy 1
Harald Huysman 1
Navi Connection Racing Alexel Alexel Autorama C91 Ford DFR 3.5 L V8 3 Kaoru Iida D 5–7
Taku Akaike 5–7
The Alpha Racing Porsche Porsche 962C Porsche 962/83 3.2 L Twin Turbo F6 7 Tiff Needell Y 1–3
Anthony Reid 1–3
Raul Boesel 6
Bob Wollek 6
Jonathan Palmer 7
Oscar Larrauri 7
TWR Suntec Jaguar Jaguar Jaguar XJR-11 Rover V64V 3.5 L Twin Turbo V6 18 Mauro Martini G 2–6
Jeff Krosnoff 2–6
John Nielsen 3–4
Jaguar XJR-14 Cosworth HB 3.5 L V8 Mauro Martini 7
Jeff Krosnoff 7
17 David Brabham 7
Teo Fabi 7
Ao Racing Spice Spice SE90C Ford DFZ 3.5 L V8 21 Hideshi Matsuda D 5–6
Hideo Fukuyama 5–6
Tomiko Yoshikawa 6
Team LeMans Nissan Nissan R90C
Nissan R91CP
Nissan VRH35Z 3.5 L Twin Turbo V8 25 Hideki Okada Y All
Takao Wada 1–4
Masahiko Kageyama 3–7
Maurizio Sandro Sala 4
From A Racing Nissan Nissan R90CK Nissan VRH35Z 3.5 L Twin Turbo V8 27 Akihiko Nakaya B All
Volker Weidler All
Thomas Danielsson 2
Toyota Team TOM'S Toyota Toyota 90C-V
Toyota 91C-V
Toyota R36V 3.6 L Turbo V8 36 Masanori Sekiya B All
Hitoshi Ogawa All
Andy Wallace 2, 4
37 Geoff Lees All
Eje Elgh 2–7
Pierre-Henri Raphanel 1
Andy Wallace 4, 6
Toyota Team SARD Toyota Toyota 90C-V
Toyota 91C-V
Toyota R36V 3.6 L Turbo V8 38 Roland Ratzenberger D All
Naoki Nagasaka 1–4
Pierre-Henri Raphanel 3–7
Team Fedco Spice Spice SE91C Ford DFZ 3.5 L V8 77 Hisashi Yokoshima G 2–3
Kiyoshi Misaki 2–3
Team Schuppan Porsche Porsche 962C Porsche 962/83 3.0 L Twin Turbo F6 91 Hurley Haywood D 1
James Weaver 1
Team 0123 Porsche Porsche 962C Porsche 935/83 3.0 L Twin Turbo F6 91 Julian Bailey D 4
Kenny Acheson 4, 6
James Weaver 6
Trust Racing Porsche Porsche 962C Porsche 935/83 3.0 L Twin Turbo F6 100 George Fouché D All
Steven Andskär All
Mazdaspeed Mazda Mazda 787
Mazda 787B
Mazda R26B 2.6 L 4-rotor 201 Tetsuya Ota D 1
Pierre Dieudonné 1, 7
David Kennedy 1–2, 4–5
Johnny Herbert 3, 6
Bertrand Gachot 3
Yojiro Terada 4–5, 7
Takashi Yorino 4
Maurizio Sandro Sala 6
202 Takashi Yorino 1–3, 5–7
Yojiro Terada 1–3
Tetsuya Ota 2, 5
David Kennedy 6–7
Pleasure Racing Mazda Mazda 767B Mazda RE13J 2.6 L 4-rotor 230 Tetsuji Shiratori D All
Shuji Fujii All
Masatomo Shimizu 1–6

Season results

Season results as follows:[1]

Round Circuit Winning Team
Winning Drivers
1 Mt. Fuji #23 Nissan Motorsports Nissan R91CP
Kazuyoshi Hoshino
Toshio Suzuki
2 Mt. Fuji
Report
#23 Nissan Motorsports Nissan R91CP
Kazuyoshi Hoshino
Toshio Suzuki
3 Mt. Fuji #36 Toyota Team TOM'S Toyota 91C-V
Hitoshi Ogawa
Masanori Sekiya
4 Suzuka Circuit
Report
#38 Toyota Team SARD Toyota 91C-V
Roland Ratzenberger
Pierre-Henri Raphanel
Naoki Nagasaka
5 Sportsland SUGO
Report
#37 Toyota Team TOM'S Toyota 91C-V
Geoff Lees
Eje Elgh
6 Mt. Fuji #23 Nissan Motorsports Nissan R91CP
Kazuyoshi Hoshino
Toshio Suzuki
7 Sportsland SUGO #17 TWR Suntech Jaguar XJR-14
David Brabham
Teo Fabi

Point Ranking

Drivers

Rank Drivers Number/Team Points Wins
1 Kazuyoshi Hoshino
Toshio Suzuki
#23 Nissan Motorsports Nissan R91CP 87 3
2 Hitoshi Ogawa
Masanori Sekiya
#36 Toyota Team TOM'S Toyota 91C-V 85 1
3 Geoff Lees #37 Toyota Team TOM'S Toyota 91C-V 54 1
4 Volker Weidler
Akihiko Nakaya
#27 From A Racing Nissan R90CK 52 0
5 George Fouché
Steven Andskär
#100 Trust Racing Porsche 962C 52 0

References

  1. ^ "JSPC 1991". Archived from the original on 15 November 2009.