I do not have the dyno PAPER, but I DO have the original VIDEO of the dyno day.
Here is the original dyno VIDEO of the 60-1 wheel:
Here is the screen shot from the video so you can see the dyno graph easier:
HKS step-2 272 cams, Turbonetics 60-1 "hi fi" .48A/R Stage 3 turbine.
Now here it is again, edited for even easier viewing:
Then, I came back to the dyno on another day, with a different compressor and cams.
Installed T04E 50trim, same turbine & A/R, and some Brian Crower 264 step-2: 15 and 19psi:
here they are, overlayed with eachother. Not perfect, but pretty close:
The idea here is to run the smallest turbo you can to meet your power goals. The 60-1 could probably flow 500+ RWHP, but on a daily driven pump gas car I just wasn't feeling it. I Only ran the 60-1 because It came from Japan bolted to this head to begin with, so I figured I would give it a shot. The results were pretty much what I expected, "late spool". I went with HKS 272's because I felt that maybe I could rev the motor out to 8,000RPM w/ that 60-1 and take advantage of its flow rate to maybe hit 440~ RWHP, but everytime I tried passing 7,000RPM on the dyno any higher than 16PSI I would get misfires, I attributed to either valve float or plug gap, and decided to just leave it alone at the time because I wanted more low end torque for this daily driver anyways and planned to try a smaller compressor later.
So, car went for paint, and I ordered myself some BC 264's and replaced the compressor wheel and housing with a 50trim, E cover. I re-used the same turbine shaft, an "stage-3", 48 a/r, T3.
And the gains are phenomenal, extremely fast spool and solid torque. I didn't spin it past 7k @ 19psi because as you can see the torque graphs were about to meet each other since the 50trim was out of breath.
I could have squeezed it for 400RWHP with some minor tuning but I was tired and in a hurry to make a few passes and go home, Strictly running it for you guys here at FA for this comparison.
In any case, big thumb up for Brian Crower, and the good old 50trim.
For a pump gas top mount cheap turbo (I switched the wheel and housing and rebuilt the turbo at the same time for $120) It doesn't get much better than this. I can hold good, strong torque from 4,000-8,000RPM, a powerband most people with 2.0's can only dream of.