| | Heat | Dash | B Feature | A Feature |
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5/5/1990 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged | Results | Terry Thorson (410 Sprints - Winged) | - | - | - | 10th |
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6/2/1990 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged | Results | Terry Thorson (410 Sprints - Winged) | - | - | - | 13th |
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6/9/1990 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged | Results | Terry Thorson (410 Sprints - Winged) | - | - | - | 11th |
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6/30/1990 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged | Results | Terry Thorson (410 Sprints - Winged) | - | - | - | 19th |
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