I spent some time with Eric at his shop today. I had planned on doing some work myself, but I've returned from the holiday with a cold. I'll try again tomorrow.
We did talk about a few issues that Eric has run into, and some plans to move forward. And of course, some of the work that's been done so far.

And yes, I took pictures this time!
First up, it looks like I need to make a call to DSE about the booster brackets on my master cylinder:
I'm guessing that angle is a little steep...
Here's a shot of the JRS Watt's link setup from the rear:
And a good side shot of the rear axle, coilover, and upper torque arm mounts:
The torque arm from the front. We don't have the 3rd member installed yet, but it has arrived:
Here is the JRS crossmember for the torque arm front mount. You can also get an idea of the clearance of the headers here to the floor:
A side shot of how the torque arm bushing and crossmember look assembled:
Eric and I had been discussing what to do about a transmission crossmember. He was planning to build one into the floor, but instead he came up with this solution. Since the torque arm crossmember was pretty close and would have to come out anyway for a transmission removal, he built a mount off of it:
Here's another shot:
In this shot you can get an idea of where the header collector is going to sit. It's not quite as high as I would like, but it wouldn't help to be lower since the lowest point is going to have to go under the torque arm crossmember cutouts:
That's a 3" collector with a clamp on it for perspective.
Unfortunately as we all know, these aftermarket parts don't always go together effortlessly. Here's one example of a problem:
That's the front caliper basically touching the rotor on the Baer Pro+ setup which I have. After a few phone calls between Baer and Jake, we discovered that there is a "spacer" which GM uses between the hub and the upright which is needed to push the hub and rotor out just enough to solve this problem. In case anyone ever reads this in the future and needs the parts, they are GM part numbers:
10263081
10263082
I have them on the way to me now, so we'll solve this next week.
Other minor issues... The Baer rotor hats won't quite fit over the Corvette hub, so a very small amount of sanding on the rotor hat is going to be needed. And I received the incorrect backing plates from Baer for the rear axle ends, so those are being cross-shipped to me so we can finish the rear axle mockup. We'll have to make some spacers for the Watt's link end attachment points to get the bars closer to parallel to the axle housing. Not a big deal, but little things take time...
After seeing the transmission in place with the floor cut, there is no way that thing would have gone in there without cutting the floor. Perhaps if we used a different set of motor mount plates and pushed the engine forward more, we would have cleared the firewall better. But we would have had to tilt the transmission way down to clear the floor, which would have caused issues with the header and driveshaft angles. On a positive note, we sat the console in place today, and the shifter is lining up pretty well with the opening for the boot, so that won't take much work.
Eric is also getting a little creative in how he's tying the subframe, SFC's, and torque arm crossmember together to allow me to be able to remove everything from the car if I need to. He should get that wrapped up this weekend, and I'll take some more pictures.
Hopefully I'll feel better and get myself there tomorrow to work on a few things. We want to reassemble the front end, so I'll work on that, to check clearances, and hopefully get some measurements for wheel/tire sizes. I also want to check out the fitment of the Vintage Air unit with the tunnel changes we are making and determine where to mount it and the bulkhead coming through the firewall.
It's great to see the progress!