1978 Ontario Indycars
- Sunday, March 26, 1978
- Datsun 200
- USAC Citicorp Cup National Championship
Circuit - Ontario
Country
United States
Location
Ontario, California
Type
Paved oval
Length
2.5 (Miles)
Country
United States
Location
Ontario, California
Type
Paved oval
Length
2.5 (Miles)
