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Hi guys, i just want your opinions on what you think a t04r would go like on an Neo Rb25det??

At the moment it has a stock bottom end which will later be forged down the track and it is mainly a street driven car, do you its too big?

Cheers, any comments will be greatly apprieciated.

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Is it the HKS version?

To my understanding the T04R is a trimmed version of the T51R.If you want to go big the better option will be the T04Z.

But on a fairly standard 25 IMO its too big.

You will benefit better from a GT30 or GT35 for a street driven car.

Can get back on the details if you like but from memory a T04R is simply a T04 "P" trim turbine driving the BCI-8D compressor that the T04Z turbo uses . T51's use the same ball or bush bearing center sections as the T04R/T04Z's but the turbine is larger again - vaguely similar dimensions as a GT42 turbine but older "T" series wheel tech .

That's a lot of turbo for a hydraulic valve trained RB25 especially if it has std pistons and single throttle inlet manifold .

IMO if you had to have one the ball bearing T04Z would be the durable solution (turbo wise) but I think its too much for an RB25 .

Arguably a GT3076R or GT3582R is a bit more in proportion with what can be reasonably expected from the RB25 top end and 2.5 liters . Maybe if you were prepared to fit a 26 head and inlet ...

Cheers A .

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