1991 All Japan Sports Prototype Car Endurance Championship

1991 All Japan Sports Prototype Car Endurance Championship

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1990

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1992

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:

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

External links

• 1991 全日本スポーツプロトタイプカー耐久選手権 (in Japanese)