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Event: Iris Ohyama Sugo Inter 500 kmsDate: 15.9.1991
Track: Sportsland Sugo (Japan), 3.704 kmsOrganiser: VICIC / SSC / Oshu VICIC

Sugo 500 kilometres
Weather:cloudy, dry
Start time:14:18
Grid:2-2-2, PP right, rolling start
Distance:500 kilometres
Attendance:42500
Entered:15
Practiced:14
Qualified:13
Started:13
Finished:11
Classified:11
Classes:PractStartClass
Group C1111010
IMSA GTP331
No Photos YetEntered CarsTechnical DataAppearanceRace ResultsGridQualifyingQualifying 1Qualifying 2Lap Times
Pre-race sessions:
2 qualifying sessions held 14-15/9
Winners:
Overall:37Toyota 91C-VElgh / Lees
IMSA GTP:202Mazda 787BOota / Yorino
Fastest Laps:
Overall:36Toyota 91C-VHitoshi Ogawa (J)1:14.593178.774 km/hlap 101
IMSA GTP:202Mazda 787BOota / Yorino1:17.648
Pole Positions:
Overall:100Porsche 962 C GTiSteven Andskar (S)1:27.409152.562 km/h
IMSA GTP:202Mazda 787BOota / Yorino1:33.350142.853 km/h
Notes of interest:
Top makes by numbers:Nissan (4), Toyota (3), Mazda (3)
Top engines by numbers:Nissan (4), Toyota (3), Mazda (3)
Top car types by numbers:Toyota 91C-V (3), Nissan R91CP (2), Mazda 787B (2)
Driver nationalities:J (18), S (3)
Team nationalities:J (12)
Engine positions:mid-engined (100%)
Average engine size:3296 cc (with regard to 66% turbocharged cars and 25% cars with rotary engine an applicable size is 5207 cc)
Oldest known drivers:Masahiro Hasemi (46), Yojiro Terada (44), Kazuyoshi Hoshino (44)
Youngest known drivers:George Fouché (26), Steven Andskar (27), Jeff Krosnoff (27)
Female drivers:Tomiko Yoshikawa

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme cover is not available.Entry list is not available.Schedule of events is not available.Track map is not available.