No better feeling than that of a task accomplished and well done--especially one that has intrigued you for 40 years! Sounds like you won't get too much seat time on it, as your description indicated that your dad would like another go at it. Glad you're having fun and sharing your experience with others, with a newly revived faith in K-series engines. Here's to more great experiences with your dad and the cubs
Cub Cadet 123