Here you go: the pay off will be a running car you love and enjoy. Dont let the problems defeat you! Dont punish the car for something that can be fixed! Just remember the feeling you get when something runs right.
I dont have the experience with turbos but when i saw Elton at raceline work on a turbo car that wasnt boosting he found that they hooked up a connection near the wastegate/radiator area and that virtually solved the problem. Obviously no idea whether this is your problem but it seemed like it was a very easy mistake to make with the connections in that area. Is there no shop near you? You could do a check list of what youve double checked and post in the boost forum.