what you wanna know? I have a freind using one. I have used a 52 trim GT30 wheel.(hks GT3037s) the one you talking about is probably a 56 trim GT30. cabable of 65lbs/ min in a 6 blade wheel.
I have a 56 trim 82mm compressor in a t04e housing with a T4 turbine waiting to go on my drag car.