I am getting somewhere around 7-9 psi  If I remember correctly it goes just above 0.5 bar I think the bar is 14 psi.   (It has been so long since I have driven my truck that I am starting to forget things like that )

Are you sure the pyro gauge was right? That isn't a lot of boost for a diesel.

Do you have to drive on the matt like I do to get anywere? If so that is most of the problem with the exhaust temp I'm sure.

I haven't got a gauge yet and I am kind of scared to know what it is going to run.