| Date | Track | Winner |
| Friday, May 03, 1991 | I-96 Speedway | Brett Mann |
| Saturday, May 04, 1991 | Crystal Raceway | Gary Fedewa |
| Friday, May 10, 1991 | Kalamazoo Speedway | Gary Fedewa |
| Saturday, May 11, 1991 | Avilla Motor Speedway | Gary Fedewa |
| Friday, May 17, 1991 | I-96 Speedway | Tim Norman |
| Sunday, May 26, 1991 | Crystal Raceway | Tim Norman |
| Saturday, June 01, 1991 | Avilla Motor Speedway | Gary Fedewa |
| Sunday, June 02, 1991 | Capitol Speedway | Jeff Bloom |
| Saturday, June 08, 1991 | Shady Hill Raceway | Jeff Walker |
| Friday, June 14, 1991 | I-96 Speedway | Hank Lower |
| Sunday, June 16, 1991 | Bryan Motor Speedway | Tim Norman |
| Saturday, June 22, 1991 | Merritt Speedway | Gary Fedewa |
| Friday, June 28, 1991 | I-96 Speedway | Hank Lower |
| Saturday, June 29, 1991 | Avilla Motor Speedway | Gary Fedewa |
| Sunday, June 30, 1991 | Capitol Speedway | Gary Fedewa |
| Saturday, July 06, 1991 | Butler Motor Speedway | Ken Mackey |
| Sunday, July 07, 1991 | Bryan Motor Speedway | Brett Mann |
| Saturday, July 13, 1991 | Owendale Speedway | Gary Fedewa |
| Sunday, July 14, 1991 | Dixie Speedway | Gary Fedewa |
| Friday, July 19, 1991 | I-96 Speedway | Gary Fedewa |
| Saturday, July 20, 1991 | Merritt Speedway | Van Gurley Sr. |
| Saturday, July 27, 1991 | Butler Motor Speedway | Mark Stemen |
| Sunday, July 28, 1991 | Bryan Motor Speedway | Brett Mann |
| Saturday, August 03, 1991 | Crystal Raceway | Gary Fedewa |
| Friday, August 09, 1991 | I-96 Speedway | Gary Fedewa |
| Saturday, August 10, 1991 | Auto City Speedway | Jeff Bloom |
| Saturday, August 17, 1991 | Butler Motor Speedway | Hank Lower |
| Saturday, August 24, 1991 | Owendale Speedway | Gary Fedewa |
| Friday, August 30, 1991 | I-96 Speedway | Gary Fedewa |
| Saturday, August 31, 1991 | Butler Motor Speedway | Randy Varney |
| Sunday, September 01, 1991 | Bryan Motor Speedway | Mark Keegan |
| Saturday, September 07, 1991 | Avilla Motor Speedway | Gary Fedewa |
| Sunday, September 08, 1991 | Capitol Speedway | Brett Mann |
| Saturday, September 14, 1991 | Auto City Speedway | Brian Tyler |