Tim, Everything is coming along nicely! Sorry to hear your shoulder will be slowing your progress. I had surgery during my build and spent my recovery time working on wiring harness mods and other small tasks. Good luck!
Here’s another option for securing the trans tunnel cover. It’s designed to hold the windshields onto golf carts. I used a couple of ~4-5” lengths that I riveted to the cover. I was worried the Velcro would pull off one surface or the other… probably would not have been an issue. Over 6000 miles on the car and I have never had to take the cover off yet.
https://a.co/d/eofnbuk