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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 100 Miles
Weather:unknown
Start time:15:45
Grid:unknown
Distance:1 hour
Attendance:unknown
Entered:36
Practiced:unknown
Started:27
Finished:18
Classes:Start
IMSA GTX13
IMSA GTO14
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:7Lola T600 ChevroletBrian Redman
IMSA GTO:25BMW M1Dave Cowart
Fastest Laps:
Overall:8Lola T600 ChevroletJohn Paul, Jr. (USA)1:06.1400167.7467 km/hlap 10
IMSA GTO:25BMW M1Dave Cowart (USA)1:11.9200154.2653 km/hlap 20
Pole Positions:
Overall:8Lola T600 ChevroletJohn Paul, Jr. (USA)1:05.1500170.2960 km/h
IMSA GTO:83Datsun 280ZX TurboDon Devendorf (USA)1:10.0670158.3450 km/h
Notes of interest:
Top makes by numbers:Porsche (11), Chevrolet (7), BMW (3), Lola (2), Datsun (2)
Top engines by numbers:Porsche (11), Chevrolet (9), BMW (4), Datsun (2)
Top car types by numbers:Porsche 911 Carrera (6), Porsche 935 (5), Chevrolet Corvette (5)
Driver nationalities:USA (21), GB (3)
Team nationalities:USA (22)
Most used colours:white (26%), blue (20%), red (16%), yellow (13%), black (8%), lime green (4%), silver (4%)
Engine positions:rear-engined (42%), front-engined (34%), mid-engined (24%)
Oldest known drivers:Paul Newman (56), Brian Redman (44), David Hobbs (42)
Youngest known drivers:John Paul, Jr. (21), Karl Durkheimer (25), Ted Field (28)

Official Race Programme:

CoverEntry ListScheduleTrack Map
Programme Cover - Portland 100 Miles 1981Entry List - Portland 100 Miles 1981Schedule of Events - Portland 100 Miles 1981Track map is not available.