exhaust back pressure in header

[earlbrown]

I guess I could have used the term 'thermal energy' but I was trying to be simplistic.

 

[TTipe]

Gas "enthalpy" and the force provided by the gas motion through the manifold and turbo volute.

 

[bison]

closed system?? as in full exhaust??
I have a 3 bolt .82 housing

As in the wastegate isn't dumping as much energy as it could be.

 

[gnpoweredrail]

oh ok