May I suggest you re-read RAJA's guide on using offset. It is in the maximus forum, and the prinicples do not change, nor do the settings if I recall. Once you have done that I am pretty certain you will have worked out what you are currently doing that is not giving you the outcome you want.
All I do is set my core voltage quite low for 24/7 use and then add a healthy dollop of added voltage for when I have all my threads maxing out on a 3D render say.
To help us help you - please provide as much information about your system and the problem as possible.