Here is one more bit of info on the high hump swap.
http://67-72chevytrucks.com/vboard/s...d.php?t=573984
I have done a lot work on my cab floor and tried to document the process as good as I could. I have replaced my outer floor/ inner rocker, outer rocker, both kick panels and both front lower door pillars. My link for my build is in my signature if you want to check it out.