Cindy,
the last time I saw your dad race I was home on leave and attended the first open competition race at Thompson Speedway in Fall? of 1961.
Link to photo of your dad on the pole in the 6T (owned by Liz Healey at the time?)
Photo was shared by COASTAL 181
https://www.flickr.com/photos/91981316@N06/36161827553/in/album-72157632911694050/