For a nearly-DD rig, that's slowing getting more not-so-DD, would you guys do a full vert conversion. 1990 GMC Jimmy I have all the parts, just weighing the bad things I've heard may come-to-life, and that some people haven't had problems that were all-that bad. I don't know what to do. The sub-structure is like-stock and in OK condition. The floors aren't stock, but are complete and rust-free. Rockers are new, and the sub floor up front was actually re-enforced with angle iron rather than the sheetmetal used stock. It obviously doesn't have these magic "boxes" under the floor like the full verts, which I've never had luck finding pics of or getting people to post up what they look like. I've just been told they are obvious, even though I've said it's obvious my full vert donor has been hacked to pieces and the boxes are long gone. SWWCK5D?