Hey Guys! I have an old Oklahoma Joe that I bought recently. The guy before me tried to add a vertical box to the side, but messed up and decided to get rid of it. He used one of the old thick Hot Water Tanks and tried to just cut a door out. Well, as you can imagine, the first fire made the door curl and it wouldn't seal correctly (Roughly a 2 inch gap in the middle). I had a buddy of mine weld a new door on as well as shelves for racks (The bolts you will see below will come out. I can't find the right diameter rack so they are there to keep the smaller size from falling down) Pics below of before and after. My question is, do I need to add a damper low on the vertical box to help control heat? Old Vertical Box Door with 2 inch gap in the middle. New Door... New Racks... Rack Ledges. The bolts are only there until I can get some racks that are the correct size.