Originally Posted by milespatton
I have several old gas grills that the burners and grates have burned out. Finding the replacement parts were expensive and hard to find the right ones and it turned out to be cheaper and easier to buy new, on sale. I am planning to build a smoker using them, but am not sure just how I want to proceed. I am thinking use one for firebox, offset and lower with a flex pipe coming out the top. It will have to be removable to put wood/Charcoal into it. Any ideas/tips before I begin. Maybe someone here has done this and has pictures or warnings on what not to do. miles

Sounds like you have the right general idea. I would use a 6" + rigid pipe with some type of collar to set it aside to reload.