Hey Joe -- awesome. I knew you had that thread going a while back but this new info is exactly what I am seeking. Just crawled out from under the beast and was fiddlin' around and took four of the six attaching bolts off the flex disc. I borrowed some wrenches from a buddy mechanic but they are not big enuf. Of course, I was also trying to loosen the front "nut" which apparently is not a nut!! The wrench will fit that but I'll need to find one of those chain wrenchamajiggers to get on the bigger piece toward the rear. I was thinking that maybe when I drop the center bearing mount I would gain enuf leeway to be able to pull the disc out but that sounds improbable given your experience.
Whatever... I'll call it a night now that I know what I'm in for. Get the right tools, attack again soon (not tomorrow, dangit!) Your tip re: bolting it up and going to the local shop...HHMMMM, well the local guy (tool-lender) could probably get to it in four to six weeks and he has never seen one of these before. Closest reputable shop I have found is 30 mis. away and this car will NOT drive the way it is, my disc is virtually in pieces.
Thanx again for willingly sharing your recent experience so that I may suffer less than you...