Well, without eyeballing a little better, I'd have to say the turbo you took off has a Grand National comressor wheel (7-blades). Not good for anything other than a Grand National.
The turbine wheel looks stock. See the little ridge in the housing bore just outside the blade tips??? That is gone in "my" turbo (last pic) because it has been bored open for the larger wheel. The one you took off has been what's known as "clipped" at two different angles, thus the curved in appearance of the blades compared to the one we built. That clip job allows a bit more flow up at RPM, but hinders response big-time.
The Stage 2 turbine wheel, unclipped in "my" turbo will support around 350-400 hp easy...and respond like stock or better. And the 50-trim compressor will out-perform the larger GN wheel in this application, don't be afraid to turn up the boost a little.
Let me know what it does.