So to sum it up, here's what I've done (roughly in the order that it was done)
New 68 Mustang dual reservoir master cylinder
New front drums, shoes, cylinders, spring kit, adjusting kit, hoses.
91 302 H.O. engine, with my spare Performer RPM intake, spare 1405 carb
Re-used stock manifolds and exhaust. I had to make adapters to mount the newer 7 inch center to center motor mount bolt spacing to the older 6 inch mounts. EASY!
Had the original radiator repaired.
Converted the generator to alternator, using the alternator and voltage regulator from a 68 Mustang (hey, I have an example to look at for all this 68 Mustang stuff, lol)
Also used the brackets, and water pump from the same.
Swapped to a C4 Trans. The original mount and crossmember work great.
I had to make my own throttle linkage, and something for the factory column shifter to pivot on on the late model block, as well as the linkage between that and the trans.
Made my new transmission cooler lines. For now they go to the cooler in the radiator, but when I dig out the auxilary trans cooler I have somewhere, I'll run them to that and mount it somewhere.
I used the original driveshaft from the 221 V8/2 speed combo, but had to swap the yoke out for one I had in my parts pile, but I also had to cut about 3/'4 inch off the yoke.
I couldn't find the fuel pump eccentric that I know I have somewhere
, so I used an electric pump instead. It's mounted right next to the repaired original tank. I ran a new rubber fuel line next to the original metal one for now, all the way up to the carb.
I also just replaced the rear shoes, cylinders, spring kits, and self adjusting kits, and hit the inside of the drums with emory cloth. Stops pretty good now.
That's all I can think of for now.
If anyone cares to ask any questions, even about something that I may have overlooked, go ahead. I like talking about this thing!