Since last time, I've been busy cutting and patching the holes in the floor pan.
Remember that piece I sent to the sheet metal shop? I find this super funny, and any other geeks will too. We often give people what they ask for, even though it's not what they want.
This is the template I gave them:

I told the owner who happens to be the father of one of my daughter's friends, that I only put the square piece in to keep it from falling apart on the way to the shop and that I don't want it in the piece they're making me.
I guess he neglected to pass this on to the guy doing the work, this is the part I received:

I knew I was going to have to do a little finishing work, such as bending the part that runs up into the fender (in this photo it runs THOUGH the fender). I didn't think I was going to need to cut the brace out.
So I pulled out the cut-off wheel and cut the welds. There were two which the cut-off wheel wouldn't reach.
I then went to my back up plan, the chisel and a 2lb hammer.
I swing, the chisel slips off the weld, the handle strikes the part that's perpendicular to the work bench and I instantly know this is not good. See, my finger was at the edge of the handle. I think I've given myself a monster blood blister.
I look at my hand. Nope, not a blood blister. IMHO, it's actually better, but medical professionals will tell you that compromised skin is worse than injured skin.

Surprisingly, it doesn't hurt. After bleeding in the sink for a few minutes, I put a band-aid on it and go back to work.
The following day, I nicked my index finger on the same hand with a grinder.
But I did get the piece in and welded in place.

I spent the next several days patching the holes in the floor. I've discovered what appears to be an ideal setting for my Lincoln SP100 for this 18? gauge sheet metal. The welder recommends F-5.5 for 0.024 wire, but I think a "warm" E does better with this 0.023 wire. Maybe it's the 0.001" difference, I don't know. I also realized that I do not like the "tack-tack" method. I prefer to weld a 1/4"-1" bead then move to the other side. I haven't noticed any issues with warping although there's plenty of braces under the floor to keep things in check. I'll be working an un-braced area later, I'll let you know.
It doesn't help that it's still damn hot and the humidity is horrid.

Inside a welding helmet with welding gaunlets on, it feels like 140 degrees.
After the driver's rear side was done, I moved to the passenger's side. This was probably the hardest section to
repair since I'm not a sheet metal guy.

But I did get the shape reasonably close. I cut out the bad area. Then starting with a larger (12X8?) piece of sheet metal, held it in place and began hammering where I thought it needed to be expanded. As it began to fit into the area, I cut it down a little bit, then hammered some more.
Once it was fairly close, I welded the edge nearest to me (outside rear) in place, then using a screw driver or something, held it down so the flat edge was flush and hit it with a 1/2" bead. Then hammered some more, welded a 1" or so strip in place near where it meets the transmission tunnel, then hammered more.
I started working the front edge from the outside, alternating between that and where it meets the transmission tunnel. The final tack weld was on the high side front of the transmission tunnel, after I was satisfied that it was acceptable. Of course, I then welded the remainder.
It's worth noting that hammering is not good for tennis elbow, which I've got a pretty good case of in my right elbow and have since April. It starts getting better, then I aggravate it. Pounding the crap out of sheet metal is definitely aggravating it.
I also fixed the giant hole where the seat belt support was.

Since this is compromised, IMHO, it will be reinforced with 3/8X2? flat steel or possibly angle-iron in preparation for some goodies I've acquired.
Each time I finish an area, I grind/sand every rust spot I find and even a few I wasn't sure if it was rust or not. Then I vacuum it, wash it down with water, once dry I spray all the bare metal with a can of truck bed liner I used to protect the frame on our bikes near the pegs since the paint always wears off there.
Finally, I'm able to prep for the bed liner. Unfortunately over the last two weeks I've moved the Jeep almost daily giving the inside of the carb a nice thick coating of varnish from three month old gasoline which has had plenty of time to dissolve 17 year old gunk that was in the tank.
It's becoming a real bugger to keep running and doesn't want to idle when it's "in gear".
So I'm really happy to have reached this stage where I won't need to move it but one more time before I clean the carb again.
I bought a gallon of bed liner, a drill-mixer, a foam trim-roller with two rollers and a disposable tray and a 1" foam "brush" for $55. I skipped the 3M bed liner applicator kit for $11, IMHO the $3 roller and brush will do just as well and there's not enough prep materials which I already have such as sand paper.
I once again vacuum the whole floor since metal shavings migrate past where you're working.
Then I peel up the transmission tunnel cover. This actually requires more effort than I expected. I knew it was glued down with seam sealer - which looks like caulk. That stuff is tough! Most people would probably just leave it in place, in fact, AMC put the tunnel cover on before painting the interior.
But I like to think that maybe I can put a standard transmission in this and having that glued down with seam sealer and coated in bed liner will make getting it off later very difficult.
Once off, I scrape/cut any remaining seam sealer off. I also partially remove the door seals.
Then I sand it being sure to look for any rust spots I may have missed. I did find a few.
Vacuum again.
Next I wash it using dish soap and hot water. Then rinse it with cold water and dry it using an old bath towel.
It then gets a rub down with acetone to pick up anything I think will interfere with adhering the bed liner.

While I wait to be sure it's dry (at 85 degrees, acetone evaporates as quick as you can apply it, but better safe than sorry), I suspend the wiring that runs along the floor and begin masking.

Finally comes time for the bed liner. When you open the can, the upper layer is probably 100% solvent, it's completely clear. Below that is black, soupy liquid and at the bottom of the can is solids.
I insert the paint mixer in the drill and let it do it's job. You can't see the solids at this point, it takes about 30-40 seconds before the solids begin to appear and the concoction starts to look like black cement mix. I let the mixer go for another two minutes or so going as fast as I could without throwing it over the lip of the can and moving around in circles being sure to get every bit of it off the bottom of the can.
Actual application is pretty straight forward. Using the 1" foam "brush", I apply the bed liner in every corner and ever spot that looks like the roller might have trouble. I didn't do the bead rolled sections of the floor, but that's probably a good idea. Later, I hit this with the roller which works just as well.
Once that's done, I pour some in the disposable trim-roller tray. It starts off a little difficult until the roller has absorbed some liquid. After that, it's pretty simple and very similar to painting anything else with a roller.
It becomes pretty apparent that I have way too much bed liner. It only took one full tray of material to do each partially bare side. The only problem I run into is the adhesive they use to bind the roller to the sleeve breaks loose and the roller starts to walk off the handle. It's not too difficult to deal with if you pay attention. It's also quite heavy for paint which doesn't help.
This photo is after the first application, I'm amazed as to how well it covers.
https://lh4.googleus...40/101_1313.JPG
After not quite an hour, I hit it with a second coat. Unfortunately it was now dark, so I don't have any photos. That was 9:00 p.m.
At 4:15 a.m. my gf woke me to say that I overslept and am now late for work. I called in to say I'd be late (they already knew, it's 20 minutes past start time), get dressed and walk out the door. As I walk past the Jeep whose doors are ajar because the door seals aren't where they belong, I can still smell a very strong solvent odor.
I'll probably put a third coat on tonight - I've got plenty: a good 3 quarts remaining. I'll also take more photos.
Then it needs to cure for a day or two before I can put the seats in.