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 Japan Masahiro Hasemi B All
Sweden Anders Olofsson All
23 Japan Kazuyoshi Hoshino All
Japan Toshio Suzuki All
Team Taisan Porsche Porsche 962C Porsche 935/82 3.0 L Twin Turbo F6 2 Japan Kunimitsu Takahashi Y 1–2
Sweden Stanley Dickens 1–2
United Kingdom Will Hoy 2
Porsche 962/83 3.2 L Twin Turbo F6 3 United Kingdom Will Hoy 1
Norway Harald Huysman 1
Navi Connection Racing Alexel Alexel Autorama C91 Ford DFR 3.5 L V8 3 Japan Kaoru Iida D 5–7
Japan Taku Akaike 5–7
The Alpha Racing Porsche Porsche 962C Porsche 962/83 3.2 L Twin Turbo F6 7 United Kingdom Tiff Needell Y 1–3
United Kingdom Anthony Reid 1–3
Brazil Raul Boesel 6
France Bob Wollek 6
United Kingdom Jonathan Palmer 7
Argentina Oscar Larrauri 7
TWR Suntec Jaguar Jaguar Jaguar XJR-11 Rover V64V 3.5 L Twin Turbo V6 18 Italy Mauro Martini G 2–6
United States Jeff Krosnoff 2–6
Denmark John Nielsen 3–4
Jaguar XJR-14 Cosworth HB 3.5 L V8 Italy Mauro Martini 7
United States Jeff Krosnoff 7
17 Australia David Brabham 7
Italy Teo Fabi 7
Ao Racing Spice Spice SE90C Ford DFZ 3.5 L V8 21 Japan Hideshi Matsuda D 5–6
Japan Hideo Fukuyama 5–6
Japan Tomiko Yoshikawa 6
Team LeMans Nissan Nissan R90C
Nissan R91CP
Nissan VRH35Z 3.5 L Twin Turbo V8 25 Japan Hideki Okada Y All
Japan Takao Wada 1–4
Japan Masahiko Kageyama 3–7
Brazil Maurizio Sandro Sala 4
From A Racing Nissan Nissan R90CK Nissan VRH35Z 3.5 L Twin Turbo V8 27 Japan Akihiko Nakaya B All
Germany Volker Weidler All
Sweden Thomas Danielsson 2
Toyota Team TOM'S Toyota Toyota 90C-V
Toyota 91C-V
Toyota R36V 3.6 L Turbo V8 36 Japan Masanori Sekiya B All
Japan Hitoshi Ogawa All
United Kingdom Andy Wallace 2, 4
37 United Kingdom Geoff Lees All
Sweden Eje Elgh 2–7
France Pierre-Henri Raphanel 1
United Kingdom Andy Wallace 4, 6
Toyota Team SARD Toyota Toyota 90C-V
Toyota 91C-V
Toyota R36V 3.6 L Turbo V8 38 Austria Roland Ratzenberger D All
Japan Naoki Nagasaka 1–4
France Pierre-Henri Raphanel 3–7
Team Fedco Spice Spice SE91C Ford DFZ 3.5 L V8 77 Japan Hisashi Yokoshima G 2–3
Japan Kiyoshi Misaki 2–3
Team Schuppan Porsche Porsche 962C Porsche 962/83 3.0 L Twin Turbo F6 91 United States Hurley Haywood D 1
United Kingdom James Weaver 1
Team 0123 Porsche Porsche 962C Porsche 935/83 3.0 L Twin Turbo F6 91 United Kingdom Julian Bailey D 4
United Kingdom Kenny Acheson 4, 6
United Kingdom James Weaver 6
Trust Racing Porsche Porsche 962C Porsche 935/83 3.0 L Twin Turbo F6 100 South Africa George Fouché D All
Sweden Steven Andskär All
Mazdaspeed Mazda Mazda 787
Mazda 787B
Mazda R26B 2.6 L 4-rotor 201 Japan Tetsuya Ota D 1
Belgium Pierre Dieudonné 1, 7
Republic of Ireland David Kennedy 1–2, 4–5
United Kingdom Johnny Herbert 3, 6
Belgium Bertrand Gachot 3
Japan Yojiro Terada 4–5, 7
Japan Takashi Yorino 4
Brazil Maurizio Sandro Sala 6
202 Japan Takashi Yorino 1–3, 5–7
Japan Yojiro Terada 1–3
Japan Tetsuya Ota 2, 5
Republic of Ireland David Kennedy 6–7
Pleasure Racing Mazda Mazda 767B Mazda RE13J 2.6 L 4-rotor 230 Japan Tetsuji Shiratori D All
Japan Shuji Fujii All
Japan 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
Japan Kazuyoshi Hoshino
Japan Toshio Suzuki
2 Mt. Fuji
Report
#23 Nissan Motorsports Nissan R91CP
Japan Kazuyoshi Hoshino
Japan Toshio Suzuki
3 Mt. Fuji #36 Toyota Team TOM'S Toyota 91C-V
Japan Hitoshi Ogawa
Japan Masanori Sekiya
4 Suzuka Circuit
Report
#38 Toyota Team SARD Toyota 91C-V
Austria Roland Ratzenberger
France Pierre-Henri Raphanel
Japan Naoki Nagasaka
5 Sportsland SUGO
Report
#37 Toyota Team TOM'S Toyota 91C-V
United Kingdom Geoff Lees
Sweden Eje Elgh
6 Mt. Fuji #23 Nissan Motorsports Nissan R91CP
Japan Kazuyoshi Hoshino
Japan Toshio Suzuki
7 Sportsland SUGO #17 TWR Suntech Jaguar XJR-14
Australia David Brabham
Italy Teo Fabi

Point Ranking

Drivers

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

References

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