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hey guys, I have supporting mods, 660cc injectors, power fc, walbro pump, FMIC ra ra ra. Was waiting to buy either GT3040 or GT3540 with .63 but recently picked up a cheap, close to new t04e housing a/r 60 with RB25 rear with steal wheel real cheap. A good mate of mine had this on his rb20 and made 240rwkw with 18psi, Is this a suitable turbo for my rb25 and how will they compare to the mention gt30/3540 turbos...they are obviously different but would like to know what sort of drivebility and power output on around 15-18psi i would be looking at...

thanks guys, tried to search but couldn't find what i was after..

Ryan

Without the wheels specs/trims etc. Its absolutely impossible to give you any idea mate :/

It would just be a guess.

But what i can tell you, is it wont make anywhere near the power with a RB25 rear housing as its a very limiting factor.

If it made 240rwkw at 18psi on a rb20 expect to make the same power with about 5 less psi easy and with a better torque curve.

I have a similar turbo and the guy before me made 210rwkw at 20psi on a rb20, I made 235rwkw on 12psi.(<--Both cars were auto aswell).

If you got it cheap, good buy.

Good luck,

Daniel

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