| | Heat | Dash | B Feature | A Feature |
|---|
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|---|
| 4/22/1989 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 8th |
|
| 4/29/1989 | Knoxville Raceway - Knoxville, IA | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 9th |
|
| 5/6/1989 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Non-Winged | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 10th |
|
| 5/13/1989 | Knoxville Raceway - Knoxville, IA | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 7th |
|
| 5/27/1989 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 8th |
|
| 6/3/1989 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 13th |
|
| 6/10/1989 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 10th |
|
| 7/15/1989 | Knoxville Raceway - Knoxville, IA | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 3rd |
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| 7/29/1989 | Knoxville Raceway - Knoxville, IA | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 3rd |
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| 8/2/1989 | Knoxville Raceway - Knoxville, IA | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 9th |
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| 9/2/1989 | Knoxville Raceway - Knoxville, IA | Results | | Tom Lenz (360 Sprints - Winged) | - | - | - | 11th |
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