I just picked up a 65 coupe a couple weeks ago, new project for me and my boys. I knew of most of the problem areas, including rusted pin holes in the top of the gas tank. I started removing the gas tank screws and 5 of them rounded off. There is gas still in the tank and the drain plug appears to be rusted shut. I sprayed all 5 screws and the drain plug with WD40 this morning before I came to work. I already have a new tank so what would be the best way to drain the tank, and or remove the remaining screws SAFELY?