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Event: G.I. Joe's Datsun Grand Prix PortlandDate: 2.8.1981
Track: Portland International Raceway (United States), unknown lengthOrganiser: unknown

Portland IMSA GTU
Weather:unknown
Start time:13:00
Grid:unknown
Distance:45 minutes
Attendance:unknown
Entered:27
Practiced:unknown
Started:19
Finished:16
Classes:Start
IMSA GTU14
Special Group 25
Photo GalleryEntered CarsTechnical DataAppearanceRace ResultsGrid
Pre-race sessions:
2 non-qualifying practice sessions held on 31/7
2 qualifying sessions held on 1/8
pre-race warm-up held
Winners:
Overall:92Mazda RX-7Lee Mueller
Special Group 2:80Datsun 200SXMike Rickman
Fastest Laps:
Overall:92Mazda RX-7Lee Mueller (USA)1:13.9500150.0311 km/hlap 10
Special Group 2:80Datsun 200SXMike Rickman (USA)1:20.0100138.6385 km/hlap 6
Pole Positions:
Overall:92Mazda RX-7Lee Mueller (USA)1:13.8660150.2017 km/h
Special Group 2:80Datsun 200SXMike Rickman (USA)1:19.4040139.7265 km/h
Notes of interest:
Top makes by numbers:Datsun (8), Mazda (4), Porsche (4)
Top engines by numbers:Datsun (8), Mazda (4), Porsche (3)
Top car types by numbers:Mazda RX-7 (4), Porsche 914 (3), Datsun 280ZX (2)
Driver nationalities:USA (19)
Team nationalities:USA (17)
Engine positions:front-engined (75%), mid-engined (18%), rear-engined (7%)
Oldest known drivers:George Follmer (47), Jim Cook (44), Jeff Kline (37)
Youngest known drivers:Walt Bohren (33), Jeff Kline (37), Jim Cook (44)

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Portland IMSA GTU 1981Entry List - Portland IMSA GTU 1981Schedule of Events - Portland IMSA GTU 1981Track map is not available.