Has anyone got any dynographs of one of these turbos pushed hard? I want to see how it does on the monster top end. The only dyno's I found comparing it to the 3076 are not really fair since both are not on pump, but again I dont care about 91 octane.
All I can find are:

 

English Racing has had one on there dyno at one point, I believe.

 

Not sure how relevant it is to this, but someone I know recently made just over 800hp @ hubs on E85 with his Skyline after upgrading to a 1.05a/r T4 EFR8374 from his old T04Z (/ T67 BB - whatever you want to call it) which made 710hp @ hubs, not running the same kind of boost you would in an EVO - mid 20psi range but it's clear the flow is there for big power.

 

https://www.evolutionm.net/forums/ev...l#post10960387

Its a bad-*** turbo for a stroker motor. I have driven this Evo. The dyno chart doesn't do it justice. Insane transient response. It feels totally alive by 4500 rpm.

 

Unfortunately on a 2Lcar properly set up to use it..... is as rare as a unicorn it appears. I want is to compare it to a 6466 twinscroll .82 t4.
Exactly like the car in the thread with the 4,800rpm power band from boostinperformance.
When I asked geoff about from full race about anything close to that he suggested the 9180 which imo is a step in the wrong direction as I want a huge powerband.

 

I got to drive my buddy's 2.4L TS EFR 8374 again this evening. Damn fun car. Same or better transient response as my 2.0L BBK-3B, but with another 120 whp.

 

I got graphs from my 2.3 Evo 2 8374 single scroll internal wastegate. Not with monster power as op requested, but 680hp@hubs (Dynapack). I didnt play with cam timing as I ran out of fuel, but had a goal of seeing the 700hp+... Well maybe next time I`m on the dyno...
Anyone knows the limit of the small exhaust housing I have?

First graph is only 6000 rpm as I was dialing in boost. About 510 hp@5000 rpm and 626 hp @ 6000 rpm. TQ was about 790 nm (580 lb/ft), but reduced it to save the gearbox, as the early gearboxes are weaker than Evo 8.

Second graph with TQ at low rpm reduced. 8000 rpm.
Weak dotted line are my last years power, running 2.1 liter and lower boost.

 

6466 with the twin scroll 0.84 will be against backpressure at 28psi rather hard...43psi at 7500.