there was a guy that did just that a while back, no sure if it was here or escappees.. he posted a pile of pics. going to have to search for it.
I suppose you could go all out, remove all the rivits and replace the short walls with longer structures the go from the front of the front box to the back of the back box, then re skin and re-rivet. bunch of work but the "right" way to do it.
-blizz
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2001 GMC 6500 Topkick, 22' box, dropped frame, designed to fit into a 9' garage door. 3126 CAT 6spd Man Lo-Pro 19.5's w/ 3.07 rear axle ratio
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