| Date | Track | Winner |
| Saturday, May 05, 1990 | Crystal Raceway | Randy Varney |
| Friday, May 11, 1990 | I-96 Speedway | Gary Fedewa |
| Saturday, May 26, 1990 | Butler Motor Speedway | Gary Fedewa |
| Sunday, May 27, 1990 | Crystal Raceway | Bill Tyler |
| Saturday, June 09, 1990 | Crystal Raceway | Bill Tyler |
| Sunday, June 10, 1990 | Bryan Motor Speedway | Mark Keegan |
| Friday, June 15, 1990 | I-96 Speedway | Gary Fedewa |
| Saturday, June 16, 1990 | Butler Motor Speedway | Denny Donaldson |
| Saturday, June 30, 1990 | Avilla Motor Speedway | Gary Fedewa |
| Sunday, July 01, 1990 | Michigan Ideal Speedway | Gary Fedewa |
| Wednesday, July 04, 1990 | Auto City Speedway | Gary Fedewa |
| Saturday, July 07, 1990 | Butler Motor Speedway | Ken Mackey |
| Sunday, July 08, 1990 | Bryan Motor Speedway | Todd Kane |
| Saturday, July 21, 1990 | Merritt Speedway | Gary Fedewa |
| Friday, July 27, 1990 | I-96 Speedway | Van Gurley, Sr. |
| Saturday, July 28, 1990 | Butler Motor Speedway | Mark Slade |
| Sunday, July 29, 1990 | Bryan Motor Speedway | Mark Keegan |
| Friday, August 03, 1990 | Owosso Speedway | Jeff Bloom |
| Saturday, August 04, 1990 | Avilla Motor Speedway | Gary Fedewa |
| Friday, August 10, 1990 | I-96 Speedway | Randy Varney |
| Saturday, August 11, 1990 | Crystal Raceway | Tim Norman |
| Saturday, August 18, 1990 | Butler Motor Speedway | Benny Rapp |
| Sunday, August 19, 1990 | Bryan Motor Speedway | Johnny Beaber |
| Saturday, August 25, 1990 | Owendale Speedway | Tim Norman |
| Friday, August 31, 1990 | I-96 Speedway | Bob Teeple |
| Saturday, September 01, 1990 | Butler Motor Speedway | Benny Rapp |
| Sunday, September 09, 1990 | Capitol Speedway | Jeff Bloom |