Unfortunately leaky/broken exhaust manifolds is a common 8.3 problem. I have several diesel engines over 25 years old (never been into) so I do not understand "but it has been 11 years".
I did not know Floyd's Truck Center of WY had a location in Denver... they tried to rip me off will all kinds of repairs I did not need. They did not like it when I filed the same amount of metal 180 out from the vain that had a small nick at the tip on my turbo. Why a new turbo and hope by fuel pump you do not mean injector pump. Did they charge you for AC charge/freon even though you can remove the head without taking the lines off the compressor? What was the pressure test reading with the new head compared to the old readings? Hope you kept your old parts.
Let me know who did your work so I can stay away from them too.
OP, I'll give you $750 "on the blind" for your old parts (assuming injection pump and that they ARE your parts) and pay the shipping to 30512.
*Actually I'll be able to pick them up in July. Let me know.