Well, the LS install into the '72 is going well, had a couple of setbacks, but nothing that couldn't be figured out.
Hopefully in the next couple of weeks I'll have the truck running! I still need to finish wiring the power to the engine harness, plumb the fuel system, mount the external fuel pump and filters, and redo the exhaust system.
I'm doing the install with a stock in-cab tank so someone that has a finished or at least painted truck could do it without any paint work and minimal fabrication. Stay tuned!