I was finally able to finish up the drivers side frame rail by boxing it in and strengthening the sides with sheet steel. Took around 5 hours total, I know Im slow at this type of thing, but I want to be sure that I do it right. I am now satisfied that the frame is strong enough. I need to do the same thing with the passenger side frame, and am hoping that it will be done in a day now that I have all of the proper tools and have one side under my belt already. The pictures of the process are below.
(Click on pictures to make them larger)