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Stock Turbo R33

Elliotws

By Elliotws,
in Engines & Forced Induction

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Lock_to_lock Community Regular

Lock_to_lock

Posted
Posted

On the topic of rb25 turbos. Is there a difference between the s1 and s2 turbos? i was at an importer today having a look and there was 2 'rb25' turbos there. One looked smaller that the other. The other one looked to have a larger rear housing...

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RBwhatever Veteran

RBwhatever

Posted
Posted
On the topic of rb25 turbos. Is there a difference between the s1 and s2 turbos? i was at an importer today having a look and there was 2 'rb25' turbos there. One looked smaller that the other. The other one looked to have a larger rear housing...

Oh dear. Search is your friend. Type in "r33+ S1+ S2+ turbo+"

http://www.skylinesaustralia.com/forums/search.html

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Kaido_RR Grand Master

Kaido_RR

Posted
Posted
S2 and S1 are the same except that the S2 have a lighter impeller wheel than S1 (slightly faster spooling)

.. only the 34 neo turbs have bigger housings i'm pretty sure (vg30 rear)

r34 neo turbos use a plastic or nylon wheel ... the turbo is fundermentally the same as the r33 turbo no larger housing

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TTT Grand Master

TTT

Posted
Posted (edited)

R33 series 2 and R34 GTT have Plastic compressor wheel (front of the turbo) and ceramic exhaust wheel (back of the turbo)

R33 series 1 has steel compressor wheel and ceramic exhaust wheel)

R33 series 1 and 2 have exactly the same size housings/wheels.

R34 GTT has a LARGER exhaust housing and exhaust wheel

Rebuild of a blown R33 gtst turbo (series 1 or 2) will start around $1000 for a non ball bearing, steel wheels on both ends, hiflow and go up to just over $2K for the same job using Ball bearing cartridge.

Edited by GTST
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stolen_s15 Mentor

stolen_s15

Posted
Posted
R33 series 2 and R34 GTT have Plastic compressor wheel (front of the turbo) and ceramic exhaust wheel (back of the turbo)

R33 series 1 has steel compressor wheel and ceramic exhaust wheel)

R33 series 1 and 2 have exactly the same size housings/wheels.

R34 GTT has a LARGER exhaust housing and exhaust wheel

Rebuild of a blown R33 gtst turbo (series 1 or 2) will start around $1000 for a non ball bearing, steel wheels on both ends, hiflow and go up to just over $2K for the same job using Ball bearing cartridge.

100% Correct

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Elliotws Contributor

Elliotws

Posted
  • Author
Posted
R33 series 2 and R34 GTT have Plastic compressor wheel (front of the turbo) and ceramic exhaust wheel (back of the turbo)

R33 series 1 has steel compressor wheel and ceramic exhaust wheel)

R33 series 1 and 2 have exactly the same size housings/wheels.

R34 GTT has a LARGER exhaust housing and exhaust wheel

Rebuild of a blown R33 gtst turbo (series 1 or 2) will start around $1000 for a non ball bearing, steel wheels on both ends, hiflow and go up to just over $2K for the same job using Ball bearing cartridge.

cheers mate thanks for clearing that up, im just gunna pick up a second hand turbo

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Kaido_RR Grand Master

Kaido_RR

Posted
Posted
R33 series 2 and R34 GTT have Plastic compressor wheel (front of the turbo) and ceramic exhaust wheel (back of the turbo)

R33 series 1 has steel compressor wheel and ceramic exhaust wheel)

R33 series 1 and 2 have exactly the same size housings/wheels.

R34 GTT has a LARGER exhaust housing and exhaust wheel

Rebuild of a blown R33 gtst turbo (series 1 or 2) will start around $1000 for a non ball bearing, steel wheels on both ends, hiflow and go up to just over $2K for the same job using Ball bearing cartridge.

i stand corrected lol

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  • 5 months later...
bumble_bee Rising Star

bumble_bee

Posted
Posted

so how much boost can ur high-flow take? turbo dave.....

do u no its limit?

and are restricted to 15psi?

or is becoz of ur e-mange u can boost higher than a 1bar???

i tht u would get a bit more power than that outa a high-flow..

sorry turbo dave

ive only FMIC, CAT-BACK HKS dragger, spiltfires with re-gapped ngk plugs to 0.8, apexi neo afc, bleed valve

and i make 190rwkw...at 13psi

mayb u need standalone mangement....

im after power fc, after fuel pump, and z32 afm...

but im hoping to pull bigger numbers than that, wit a high-flow....

:(

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Turbo Dave Collaborator

Turbo Dave

Posted
Posted (edited)

Mine is an auto so they drag about 25-30rwkw I have been told, so if it was manual it would be around 250-260rwkw which is as far as want to go with a stock engine.

If you are wanting more from a stock engine then I think the longevity of your engine and turbo will suffer.

I was also told by the guy who HiFlowed my turbo that 15psi is the sweet spot for that turbo.

Hope you get what you are aiming for from your HiFlow but the kw number isnt of much importance to me, as long as it drives good and Im happy with the power then thats all I want.

No offence but the 190rwkw you have wouldnt feel anything like a 235rwkw Hiflow.

Also the midrange pull from my car now is unreal, my stock turbo wasnt even close to being in the same race.

I am no expert but these are my opinions from what I have experienced and read about so far.

Dave

Edited by Turbo Dave
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bumble_bee Rising Star

bumble_bee

Posted
Posted

i recon wit a power fc and z32 afm, and a new fuel pump, i will be pushin close to those numbers...

my mid-range is crap now..lol

but dont forget im still on the stock computer, wit just a piggy-back...

so thats my main problem...

but wit a pfc, that should be solved...

and i recon ur e-mange fix'd ur mid-range issue too...

but how does ur e-mange handle wit the high-flow?

why not go wit standalone???

and im unsure about how much an auto/manual rb25det engine can take?

i tht it would b around the 300rwkw mark? but thats me..

dont forget every turbo and engine is different..

so yeah,

oh, by the way dave..urs is a series 2 rit?

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Turbo Dave Collaborator

Turbo Dave

Posted
Posted

Yeah Series2, 300rwkw is way more than I have seen a hiflow pull from what I have read on here in the rb25 results thread, safely anyway.

The stock exhaust housing runs out before then I think so thats when the VG30 rear housing comes into it along with a little more lagg.

But yeah, I was told 260rwkw limit on the stock engine if I want it to last so thats about 235rwkw with an auto like I said before.

From my understanding the Emanage Ultimate is very adjustable and doesnt hinder power output due to being a piggyback, I went for the Piggyback as they are more compatible when running an electronic auto.

Dave

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nuclear_skyline Mentor

nuclear_skyline

Posted
Posted
i recon wit a power fc and z32 afm, and a new fuel pump, i will be pushin close to those numbers...

but wit a pfc, that should be solved...

and i recon ur e-mange fix'd ur mid-range issue too...

but how does ur e-mange handle wit the high-flow?

why not go wit standalone???

Look through any of the major threads relating to ECU's and new engine management systems... IT should show you that the end result between the EMU and PFC are pretty much the same... It just depends on what your tuner is good at tuning etc...

Both are great units... and will net the same result in the end for you provided you have a competent tuner.

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