This sounds interesting, more details on spec please. My evo 6 I had delivered 300ft/ by 3000 and held it and more to 6000+rpm. please post results when you get um mate!
There is nothing to special about the specs. Fairly normal forged rebuild, 260 cams, ported head with the timing set to come on early. I'll get the specs from the builder when I see him next. The intercooler set up is Australian designed and built, intake and exit are either side of the radiator.
The dump pipe was also made by Turbine Tech.
The dyno graph is when I changed the turbo from a standard turbo rebuilt to 2871r specs to the Evo manifold/turbo. Long story short this turbo gave me 50% more power at 4000rpm alone without losing any from the top end. Once I get the new dyno sheet with the current set up I'll post it up.
Tuner said this week he's never done a GTiR with such good bottom end.
Turbo was from this place
http://www.gtpumps.com.au/evoturbos.html
Intercooler
Dump Pipe
Manifold and dump before ceramic coating
Old dyno sheet