1981 Portland IMSA
- Sunday, August 2, 1981
- GI Joe's/Datsun Grand Prix
- IMSA Camel GT Championship
Circuit - Portland
Country
United States
Location
West Delta Park, Portland, Oregon
Type
Permanent road course
Length
1.915 (Miles)
Country
United States
Location
West Delta Park, Portland, Oregon
Type
Permanent road course
Length
1.915 (Miles)
