Lesson learned: buy K5 floor panels for a K5, even if you're going to cut most of them off. The truck ones are ribbed all the way to the back edge. The K5 ones are flat for the last inch or two. You can actually spot the difference in the LMC catalog pages I posted above. I can't explain why a truck gate with truck floor on truck posts is a problem, but the tailgate hits those ribs. I mean, there's only one way to put all these pieces together. So now I'm cutting every one at the back and smashing it flat. On the bright side, there is tons of weld now holding the floor to the tailpan. On the down side, it's a ton of work. I noticed this difference a while back, but assumed it was to accommodate the fat K5 tailgate. To fix it with the hinge mounts would require slotting those mounts out even further and getting pretty bad sheet metal alignment.
