First off, welcome to the forum.
Secondly, anything you do here should be accompanied by pictures. We just love pictures !!!!
If you give a little info on your place you are trying to heat, that would help as well. Items such as square footage, insulation, layout, etc. helps a great deal.
As you know the Stoker II is a triburner. There are several modifications that can be done to make it more efficient, but I have mine still at the factory set up.
If you use the search button, and type in Stoker II or Alaska, you should get a lot of research to go through. Then ask away.
Here's a thread to start reading: Need a little advice on an older Kodiak Stoker Stove II