1978 Mosport Park Indycars
- Sunday, June 11, 1978
- Molson Diamond 300 kms
- USAC Citicorp Cup National Championship
Circuit - Mosport Park
Country
Canada
Location
Bowmanville, Ontario
Type
Permanent road course
Length
2.459 (Miles)
Record
Marco Werner (Audi R10 TDI), 1m05.823, 134.488 mph, ALMS Sports Cars, 2008