1990 - Mackie Heimbaugh

		Heat	Dash	B Feature	A Feature

6/23/1990

Knoxville Raceway - Knoxville, IA 360 Sprints - Winged				Results
Mackie Heimbaugh (360 Sprints - Winged)	-	-	-	8th

7/14/1990

Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged				Results
Mackie Heimbaugh (360 Sprints - Winged)	-	-	-	15th

8/4/1990

Knoxville Raceway - Knoxville, IA 360 Sprints - Winged				Results
Mackie Heimbaugh (360 Sprints - Winged)	-	-	-	16th

8/11/1990

Knoxville Raceway - Knoxville, IA 360 Sprints - Winged				Results
Mackie Heimbaugh (360 Sprints - Winged)	-	-	-	17th