[quote]...I have never experienced such a failure in flight. I have experimented with unlocking the primer to see just what effect it has and it can or will run rough, however with the throttle in the cruise position I have never experienced a complete loss of power.<hr></blockquote>
Later you refer to teaching PFLs.
No mention of you experimenting with a student on board. Only that you did it.
As for problematic: Isn't the unlocked primer(s) mentioned in the accident reports indicative of 'problematic'?