What's this "flipping (inverting) the front strut mounts" deal?  You've piqued my interest on this mod but am curious what the task entails?
welding?
or just mounting the strut differently?
no welding, just mount the strut differently on top.
Here are some super simple instructions.
0) use some commen sense, be safe and think about what you are doing.
1) Jack up front of truck, set frame on jack stands.
2) remove tires to make it easier on yourself.
3) Use jack under A-arm to relieve pressure on strut  and keep spring from 'blowing out'.
4) unbolt upper strut nut.  (under hood)
5) unbolt 3 bolts that hold the upper strut ring.  (under hood/in fender)
6) flip strut mounting ring over, mount under fender.  (use washers to keep bolts from tearing out on top and to act as spacers between the beveled edge of the frame and the strut mount, underneath)
7) bolt everything back together.
You should now have ~1 inch of extra down travel and about 1 inch less up travel.
This mod is good to do in conjunction with .75 inch spring spacers up front.  (to keep the strut centered.)
Some photos of the finished installation can be seen here.
http://www.whitepineclub.com/members/kd7hcg/pictures/tjspacers/index.html