Quoting 123abc:
Would it now be stupid to ask, what's the differences between the Evo 1 and Evo 2 turbos?
The VR4, Evo 1 and Evo 2 16Gs all share the same CHRA. The only differences are the turbine and compressor housings (and wastegate actuator for the VR4). They are all still 'TD05H-16G-7'.