- 1979
- - IMSA GT
  - - R01 * Daytona (24 h)
  - - R02 * Sebring (12 h)
  - - R03 * Road Atlanta
  - - R04 * Riverside (6 h)
  - - R05 * Laguna Seca
  - - R06 * Hallett
  - - R07 * Lime Rock Park
  - - R08 * Brainerd
  - - R09 * Daytona
  - - R10 * Mid-Ohio
  - - R11 * Sears Point
  - - R12 * Portland
  - - R13 * Road America (500 mi)
  - - R14 * Road Atlanta
  - - R15 * Daytona
- - SCCA Can-Am
  - - R01 * Road Atlanta
  - - R02 * Charlotte
  - - R03 * Mosport / CDN
  - - R04 * Mid-Ohio
  - - R05 * Watkins Glen
  - - R06 * Road America
  - - R07 * Brainerd
  - - R08 * Trois-Rivières / CDN
  - - R09 * Laguna Seca
  - - R10 * Riverside
- - Sonstige Events
  - - R07 * Watkins Glen (6 h)
  - - R03 * Talladega (6 h)
  - - R07 * Daytona (6 h)
- 1978
- - IMSA GT
  - - R01 * Daytona (24 h)
  - - R02 * Sebring (12 h)
  - - R03 * Talladega (6 h)
  - - R04 * Road Atlanta
  - - R05 * Laguna Seca
  - - R06 * Hallett
  - - R07 * Lime Rock Park
  - - R08 * Brainerd
  - - R09 * Daytona
  - - R10 * Sears Point
  - - R11 * Portland
  - - R12 * Mid-Ohio
  - - R13 * Road Atlanta
  - - R14 * Daytona
- - SCCA Can-Am
  - - R01 * Road Atlanta
  - - R02 * Charlotte
  - - R03 * Mid-Ohio
  - - R04 * Mont-Tremblant / CDN
  - - R05 * Watkins Glen
  - - R06 * Road America
  - - R07 * Mosport / CDN
  - - R08 * Trois-Rivières / CDN
  - - R09 * Laguna Seca
  - - R10 * Riverside
- - Sonstige Events
  - - R06 * Watkins Glen (6 h)
  - - R07 * Road Atlanta (6 h)
- 1977
- - IMSA GT
  - - R01 * Daytona (24 h)
  - - R02 * Sebring (12 h)
  - - R03 * Road Atlanta
  - - R04 * Laguna Seca
  - - R05 * Mid-America
  - - R06 * Lime Rock Park
  - - R07 * Mid-Ohio
  - - R08 * Brainerd
  - - R09 * Daytona
  - - R10 * Hallett
  - - R11 * Sears Point
  - - R12 * Pocono
  - - R13 * Mid-Ohio
  - - R14 * Road Atlanta
  - - R15 * Laguna Seca
  - - R16 * Daytona
- - SCCA Can-Am
  - - R01 * Mont-Tremblant / CDN
  - - R02 * Laguna Seca
  - - R03 * Watkins Glen
  - - R04 * Road America
  - - R05 * Mid-Ohio
  - - R06 * Mosport / CDN
  - - R07 * Trois-Rivières / CDN
  - - R08 * Sears Point
  - - R09 * Riverside
- - Sonstige Events
  - - R05 * Watkins Glen (6 h)
  - - R06 * Mosport / CDN (6 h)
- 1976
- - IMSA GT
  - - R01 * Daytona (24 h)
  - - R02 * Sebring (12 h)
  - - R03 * Road Atlanta
  - - R04 * Laguna Seca
  - - R05 * Ontario
  - - R06 * Lime Rock Park
  - - R07 * Mid-Ohio
  - - R08 * Daytona
  - - R09 * Sears Point
  - - R10 * Talladega
  - - R11 * Pocono
  - - R12 * Mid-Ohio (6 h)
  - - R13 * Road Atlanta
  - - R14 * Laguna Seca
  - - R15 * Daytona
- - Sonstige Events
  - - R06 * Watkins Glen (6 h)
  - - R15 * Mosport / CDN
- 1975
- - IMSA GT
  - - R01 * Daytona (24 h)
  - - R02 * Sebring (12 h)
  - - R03 * Road Atlanta
  - - R04 * Laguna Seca
  - - R05 * Riverside (6 h)
  - - R06 * Lime Rock Park
  - - R07 * Mid-Ohio
  - - R08 * Mosport / CDN
  - - R09 * Daytona
  - - R10 * Mid-America
  - - R11 * Talladega
  - - R12 * Mid-Ohio (6 h)
  - - R13 * Daytona
- - Sonstige Events
  - - R09 * Watkins Glen (6 h)
- 1974
- - IMSA GT
  - - R01 * Road Atlanta (6 h)
  - - R02 * Laguna Seca
  - - R03 * Ontario (4 h)
  - - R04 * Mid-Ohio (5 h)
  - - R05 * Daytona
  - - R06 * Talladega
  - - R07 * Charlotte
  - - R08 * Lime Rock Park
  - - R09 * Mexico City (1.000 km)
  - - R10 * Daytona
- - Can-Am
  - - R01 * Mosport / CDN
  - - R02 * Road Atlanta
  - - R03 * Watkins Glen
  - - R04 * Mid-Ohio
  - - R05 * Road America
- - Sonstige Events
  - - R07 * Watkins Glen (6 h)
- 1973
- - IMSA GT
  - - R01 * Sebring (12 h)
  - - R02 * Daytona
  - - R03 * Pocono (500 mi)
  - - R04 * Daytona
  - - R05 * Mid-Ohio (6 h)
  - - R06 * Lime Rock Park
  - - R07 * Road Atlanta
  - - R08 * Indianapolis RP
  - - R09 * Daytona
- - Can-Am
  - - R01 * Mosport / CDN
  - - R02 * Road Atlanta
  - - R03 * Watkins Glen
  - - R04 * Mid-Ohio
  - - R05 * Road America
  - - R06 * Edmonton / CDN
  - - R07 * Laguna Seca
  - - R08 * Riverside
- - Sonstige Events
  - - R01 * Daytona (24 h)
  - - R10 * Watkins Glen (6 h)
- 1972
- - IMSA GT
  - - R01 * Texas
  - - R02 * Daytona
  - - R03 * Virginia
  - - R04 * Lime Rock Park
  - - R05 * Donnybrooke
  - - R06 * Mid-Ohio (6 h)
  - - R07 * Alabama
  - - R08 * Watkins Glen
  - - R09 * Bryar
  - - R10 * Daytona
- - Can-Am
  - - R01 * Mosport / CDN
  - - R02 * Road Atlanta
  - - R03 * Watkins Glen
  - - R04 * Mid-Ohio
  - - R05 * Road America
  - - R06 * Donnybrooke
  - - R07 * Edmonton / CDN
  - - R08 * Laguna Seca
  - - R09 * Riverside
- - Sonstige Events
  - - R02 * Daytona (6 h)
  - - R03 * Sebring (12 h)
  - - R11 * Watkins Glen (6 h)
- 1971
- - IMSA GT
  - - R01 * Virginia
  - - R02 * Alabama
  - - R03 * Charlotte
  - - R04 * Bridgehampton
  - - R05 * Summit Point
  - - R06 * Daytona
- - Can-Am
  - - R01 * Mosport / CDN
  - - R02 * Mont-Tremblant / CDN
  - - R03 * Road Atlanta
  - - R04 * Watkins Glen
  - - R05 * Mid-Ohio
  - - R06 * Road America
  - - R07 * Donnybrooke
  - - R08 * Edmonton / CDN
  - - R09 * Laguna Seca
  - - R10 * Riverside
- - Sonstige Events
  - - R02 * Daytona (24 h)
  - - R03 * Sebring (12 h)
  - - R11 * Watkins Glen (6 h)
- 1970
- - Can-Am
  - - R01 * Mosport / CDN
  - - R02 * Mont-Tremblant / CDN
  - - R03 * Watkins Glen
  - - R04 * Edmonton / CDN
  - - R05 * Mid-Ohio
  - - R06 * Road America
  - - R07 * Road Atlanta
  - - R08 * Donnybrooke
  - - R09 * Laguna Seca
  - - R10 * Riverside
- - Sonstige Events
  - - R01 * Daytona (24 h)
  - - R02 * Sebring (12 h)
  - - R09 * Watkins Glen (6 h)