History - Series Winners - Silver Crown
| DATE | LOCATION | TRACK | SERIES | WINNING DRIVER | WINNING TEAM | DISTANCE | |
| 6/20/1971 | Nazareth, PA | Nazareth National Speedway | Silver Crown | Jim McElreath | Jim McElreath #14 | 88 L | |
| 8/22/1971 | Springfield, IL | Illinois State Fairgrounds | Silver Crown | A.J. Foyt | A.J. Foyt #9 | 100 L | |
| 9/6/1971 | Du Quoin, IL | Du Quoin State Fairgrounds | Silver Crown | George Snider | Leader Card #4 | 100 L | |
| 9/11/1971 | Indianapolis, IN | Indiana State Fairgrounds | Silver Crown | Al Unser | Vel’s Parnelli Jones #1 | 100 L | |
| 5/28/1972 | Du Quoin, IL | Du Quoin State Fairgrounds | Silver Crown | Tom Bigelow | Ray Smith #70 | 100 L | |
| 8/20/1972 | Springfield, IL | Illinois State Fairgrounds | Silver Crown | Al Unser | Vel’s Parnelli Jones #7 | 100 L | |
| 9/4/1972 | Du Quoin, IL | Du Quoin State Fairgrounds | Silver Crown | A.J. Foyt | A.J. Foyt #3 | 52 L | |
| 9/9/1972 | Indianapolis, IN | Indiana State Fairgrounds | Silver Crown | Al Unser | Vel’s Parnelli Jones #7 | 100 L | |
| 8/19/1973 | Springfield, IL | Illinois State Fairgrounds | Silver Crown | Mario Andretti | Vel’s Parnelli Jones #15 | 100 L | |
| 9/3/1973 | Du Quoin, IL | Du Quoin State Fairgrounds | Silver Crown | Mario Andretti | Vel’s Parnelli Jones #15 | 100 L | |
| 9/15/1973 | Indianapolis, IN | Indiana State Fairgrounds | Silver Crown | Al Unser | Vel’s Parnelli Jones #2 | 100 L | |
| 7/4/1974 | Syracuse, NY | New York State Fairgrounds | Silver Crown | Al Unser | Vel’s Parnelli Jones #1 | 100 L | |
| 8/17/1974 | Sedalia, MO | Missouri State Fairgrounds | Silver Crown | Mario Andretti | Vel’s Parnelli Jones #2 | 100 L | |
| 8/18/1974 | Springfield, IL | Illinois State Fairgrounds | Silver Crown | Mario Andretti | Vel’s Parnelli Jones #2 | 100 L | |
| 9/2/1974 | Du Quoin, IL | Du Quoin State Fairgrounds | Silver Crown | Mario Andretti | Vel’s Parnelli Jones #2 | 52 L | |
| 9/7/1974 | Indianapolis, IN | Indiana State Fairgrounds | Silver Crown | Jackie Howerton | Patrick Racing #42 | 100 L | |
| 7/4/1975 | Syracuse, NY | New York State Fairgrounds | Silver Crown | Sheldon Kinser | Grant King #20 | 100 L | |
| 8/16/1975 | Springfield, IL | Illinois State Fairgrounds | Silver Crown | Al Unser | Vel’s Parnelli Jones #3 | 100 L | |
| 8/24/1975 | Du Quoin, IL | Du Quoin State Fairgrounds | Silver Crown | Tom Bigelow | Leader Card #2 | 100 L | |
| 8/31/1975 | St. Paul, MN | Minnesota State Fairgrounds | Silver Crown | Tom Bigelow | Leader Card #2 | 200 L |
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