1980
Trans-Am Championship
 
       
1/6     Hallet
       
 

 

# 23 - 914/6 - DNF
Zulkowski
# 26 - 911 SC - 5°
Overby
# 98 - 911 SC - Winner
Bauer
       
1/6     Portland
       
 

 

# 18 - 911 - DNF
Schroeder
 
# 23 - 914/6 - DNF
Zulkowski
 
# 57 - 911 SC -
Shelton
 
# 59 - 911 SC - DNF
Feodorhoff
 
   

 

 
  # 98 - 911 SC -
Bauer
 
       
5/7     Watkins Glen
       
# 23 - 914/6 - DNF
Zulkowski / Pullyblank
 
# 26 - 911 SC Targa - DNF
Overby / Harmstad
Gallery
# 57 - 911 SC -
Shelton / Leven
Gallery
# 98 - 911 SC - Winner
Bauer / Green
Gallery
       
19/7     Road America
       
# 13 - 911 SC - 23°
Altman
# 23 - 914/6 - DNS
Zulkowski
# 57 - 911 SC - Winner
Shelton
# 98 - 911 SC - 4°
Bauer
       
10/8     Brainerd
       
 

 

# 23 - 914/6 - DNF
Zulkowski
# 57 - 911 SC - DNF
Shelton
# 98 - 911 SC - Winner
Bauer
       
23/8     Trois-Rivières
       
 

 

# 5 - 911 - 10°
Bienvenue
# 23 - 914/6 - DNF
Zulkowski
# 98 - 911 SC - DNS
Bauer
       
7/9     Westwood
       
# 11 - 914/6 - 13°
Taylor
 
# 23 - 914/6 - DNF
Zulkowski
 
# 57 - 911 SC -
Shelton
Gallery
# 98 - 911 SC - Winner
Bauer
Gallery
       
19/10     Laguna Seca
       
 

 

# 9 - 911 SC - DNF
Herman
 
# 11 - 911 - DNS
Nylander
 
# 23 - 914/6 - DNF
Zulkowski
 
# 45 - 911 - 27°
Neal
 
   

 

 
  # 57 - 911 SC - DNS
Shelton
# 98 - 911 SC- DNF
Bauer
 
       
25/10     Riverside
       
 

 

# 19 - 911 SC - DNS
Nardi
 
# 23 - 914/6 - 23°
Zulkowski
 
# 44 - 914/6 - 25°
Korpiel
 
# 57 - 911 SC - 6°
Shelton
 
   

 

 
  # 98 - 911 SC- 5°
Bauer