1981 - Linus Mack

		Heat	Dash	B Feature	A Feature

4/18/1981

Knoxville Raceway - Knoxville, IA Silver Crown				Results
Linus Mack (Silver Crown)	-	-	-	12th

4/19/1981

Boone Speedway - Boone, IA 410 Sprints - Winged				Results
Linus Mack (410 Sprints - Winged)	-	-	-	8th

6/20/1981

North Central Speedway - Brainerd, MN 410 Sprints - Non-Winged				Results
Linus Mack (410 Sprints - Non-Winged)	-	-	-	1st