Got 'er done tonight. The LocTite didn't settle into the void as I expected, so I went to Wally-World and got a $2 tube of 1500psi epoxy to fill in from the other side. Got the mount put back in about ten minutes ago. Pushed her off the ramp, 'cause the second epoxy had only set about ninety minutes. I'll start 'er up in the morning an' see if I can tell the difference. I may do the "free" shifter bushing tighten tomorrow.
FOLLOW UP:
I'm getting a vibration at warm idle. Not severe, but very noticeable. I've always been very cognizant of squeaks, rattles, shakes in my cars and I try to reduce/eliminate them if possible. If I rev it up even a little bit, it smoothes out. Is there a way to raise the idle just a bit?
The throttle response seems better, but that may be me getting used to a stick after twenty years. At a kilomile, the drive train is probably loosening up, as well. This car is as much fun to drive as I'd hoped it would be.