Woohoo 290hp

[skyzerr33]

P.S Everyone said my turbo would fall apart in no time at all, and that was over 12 months ago and its still going strong

i would believe, when looked after our engines last ages, no idea why so many go bang.

MASTR had 190,000 on the clock when it was pinched still with stock internals and turbo.

[rob77]

I think you'll find changing to an ebc wont get much more HP, the turbo is pretty much at its max now it will probably make more heat than HP at 12psi. I think i managed about 250hp on 12psi (with an ebc and i was still dropping boost late in the rev range) and a stock ecu. If you find my latest dyno charts in the forced induction thread you'll notice how flat my boost curve is all the way to the redline with the ebc and external wastegate.

[benm]

Damn you WA tuners/dynos/cars ! 215-225rwkw from a std RB25DET/Turbo ouch!

[Steve]

I DEFINATELY made more power with 12 psi compared to 10 psi (186rwkw vs 203rwkw)

Regardless, that turbo is a freak, it should be pushed to its limits in the name of research! wouldnt surprise me one little bit if there had been a bit of highflowing going on by a previous owner. (edit: still doesnt explain the injector crazyness happening though)

Beside that, and EBC should bring boost on quicker than just a bleed, it will generally hold boost better too, depending on which type it is eg, with the AVCR you can set the duty cycle at different rpm.

Either way - DO IT, you know you want to. as do we

[C yar]

Damn you WA tuners/dynos/cars ! 215-225rwkw from a std RB25DET/Turbo ouch!

not sure benm.... my car has always got go hp concidering the mods it has (or lack of mods) but i am so happy with the way the car drives now since having my Power Fc fitted and tuned... much nicer than when i had a safc .....

Rob ... i agree with you, i wont be spending money on an EBC, i dont think it will make much more hp.... its holding a pretty steady 10psi now

[C yar]

steve.. good point about the boost coming on earlier .... in regards to the research if you want to donate a ebc i will gladly pay for the tuning ..... hehehehehe ....

the previous owner was in japan.... when i imported her she had standard wheel, standard cat, standard front dunp pipe, standard intercooler so im guessing the turbo hasnt been touched but if it has ... lucky me

[Steve]

starts at 12psi, and drops to 10 - I dont understand how that is steady?

[Steve]

Sorry I dont have a spare EBC lying around Another thing you can do is replace the wastegate actuator with an R32 one - good for a couple of extra pounds early in the piece. If you can find one that is.

You never know what you get from Japan, its not uncommon for cars to be stocked out before selling.

My S13 came with all the stock bits, including 9 heat range iridium plugs and some nice under car drift scars. Also little tell tale signs like new bolts in the rear camber arms. Nothing else unfortuneately, just a couple of littel give away signs of a 'history'.

Anyway, I do hope one day you try a little experimentation.

[LUMPY]

We've got a 32 actuator.

[C yar]

Lumpy....what difference will the 32 wastegate do for me ??

[rev210]

The power curve is like many of the higher output RB25's. At above 4500-5000rpm there is a noticable difference between those that can and those that can't produce this power engine wise. I dare say that the condition of the ignition coils / wiring has the largest part to do with many Rb25dets being unable to produce higher outputs, given that the tuning of the engine management follows a similar map. I think investigation down this path might actually clear this up for those who aren't able to get the power up top.

[MrGTST]

hmmmm maybe i should get new number plates huh what do ya think maybe "freek" hehhehehehe

 mrgtst.....what does your car drive like with a power curve like that... looks like it would be a handful

  Ps congrads on your hp too

 Pie .... yeah this is by far the best month ive ever had !!!! first the house then getting married now this hehehhehehe

Hmm how does my car drive like.... well I dont really have much to compare it too so I would say it just feels pretty normal to me..... But I guess its really around the higher RPM in third when mine really starts to push you back in the seat so to speak.... I think its something you learn to control, You learn what gear and what RPM you know works best if you want good power and response on the street.... and as you can see from my power curve I am not getting much through the middle of the range so I rely on the top end a little more... with all the tuning so far we still cant smoothen out that middle part of the curve

[Steve]

C yar, the 32 wastegate actuator has a stiffer spring, and will give a higher minimum boost pressure. An R32 with an exhaust makes 10psi (roughly) minimum boost pressure, vs 7-9 for R33.

This means your boost will come on harder, and will hold boost better at higher pressures - due to the stiffer wastegate spring.

It is a common upgrade when using a turbo and running higher than stock boost to do the wastegate at the same time, especially if you are having trouble holding boost. For example HKS make upgraded wastegate actuators, but they would cost alot more than a second hand R32 actuator, which would be fine for your applications.

Its no different to changing the spring in an external gate (which I had to do) if you cannot hold the boost you want. Optimum is considered by some to be the stiffest actuator you can get that will allow you to run your minimum boost