Event: G.I. Joe's Grand Prix PortlandDate: 27.7.1987
Track: Portland International Raceway (United States), unknown lengthOrganiser: unknown

Portland 300 Kilometres IMSA GT

IMSA GTO (round 11)
IMSA GTU (round 11)
International Motor Sport Association (round 11)

(Car Appearance)

No.CarEntrantBodyEngine
1Ford MustangRoush Racing-front
2Chevrolet CorvetteProtofab Racingclosedfront
4Pontiac FieroDingman Bros Racingclosedmid
6Chevrolet Camaro-closedfront
7Oldsmobile ToronadoR/A Hoerr Incclosedfront
8Mazda RX-7Simms Romano Enterpriseclosedfront
10Porsche 930-closedrear
11Ford MustangRoush Racingclosedfront
15Pontiac FieroMurray Racingclosedmid
16Mazda RX-7Carlos Bobeda Racingclosedfront
22Ford MustangRoush Racingclosedfront
24Porsche 924--front
28Chevrolet CamaroProtofab Racingclosedfront
32Nissan 300ZX-TAlderman Nissanclosedfront
33Ford MustangRoush Racingclosedfront
36Porsche 924Innovon Motorsportclosedfront
38Mazda RX-7Mandeville Auto Techclosedfront
48Nissan 300ZXGenesis Engineeringclosedfront
51Mazda RX-7-closedfront
54Porsche 911SP Racingclosedrear
55Pontiac FieroHuffaker Racingclosedmid
56Porsche 911Escort Racingclosedrear
57Porsche 911-closedrear
58Porsche 924Chaz Jr Racing-front
67Chevrolet Corvette--front
68Chevrolet Camaro-closedfront
71Mazda RX-7Team Highballclosedfront
75Mazda RX-7Clayton Cunningham Racingclosedfront
81Chevrolet Corvette--front
82Mazda RX-7Dick Greer Racingclosedfront
85Mazda RX-7Clayton Cunningham Racingclosedfront
89Pontiac FirebirdBenson Racingclosedfront
92Merkur XR4Ti-closedfront
98Toyota Celica TurboAll American Racersclosedfront
99Toyota Celica TurboAll American Racersclosedfront