UPDATE:
I checked the fuel pressure and was getting zero psi, I took the fuel line off the fuel filter, no fuel. Then I dropped the tank figuring I may have got a junk pump (new AC Delco from Ebay)
When I removed the pump, the problem was obvious, the fuel line "popped" off from the pump to the sending unit. I put it back on, this time with clamps (none were provided with kit so I didn't think it needed it).
I have run it the last couple of days and it runs really good (knock on wood). I have the same fuel pressure after an hour of running as I do when it's cold. I will post back if anything changes.