New Turbo Now Installed...

[CATKICKER]

Turbo now SOLD

Hey All,

Well today I purchased a new turbo for my R32 (RB20DET).

I have been told that it is the following, however he was not 100% as he purchased it as is...

R33 Exhaust Housing with Steel Wheel

Larger Wastgate - Unknown Actuator

Larger GARRETT Compressor housing with larger wheel

This came off an RB20 and was apparently a bolt up (other than an oil line that I was given)

Is anyone able to confirm this from the following pics? (Would be GREAT if you could tell me what type of Comp housing it is).

Edited May 14, 2006 by CATKICKER

[siksII]

cant tell for sure but here are pics of a stock r33 turbo (by itself) and an hks 2350 (attached to manifold)

[CATKICKER]

cant tell for sure but here are pics of a stock r33 turbo (by itself) and an hks 2350 (attached to manifold)

cheers skisII... how does yours go now? my Garrent housing look simalar (but I guess you would expect that )

[CEF11E]

That is a well massive exhaust wheel... souuld see plenty of top end.

Hope it is not a lagmonster

I also hope you don't really kick cats

[siksII]

cheers skisII... how does yours go now? my Garrent housing look simalar (but I guess you would expect that )

Mine goes the same as before, i was not actually fitting the 2530

i was fixing my exhaust manifold gasket and at the time a friend had his 2530 off the car so we were comparing

[666DAN]

Looks almost identical to a turbo my friend has on his RB20, all I know is it's a special GCG job they did for him...

[mr_rbman]

looks like its not ball bearing to me either! Dunno if i'd be putting this on an rb20!

[mr_rbman]

looks like its not ball bearing to me either! Dunno if i'd be putting this on an rb20!

[CATKICKER]

looks like its not ball bearing to me either! Dunno if i'd be putting this on an rb20!

well it was either this or a stocko r33 s2 turbo so for $500 it can't be any worse!

I believe it wend VERY well on the previous RB20 it was on so I don't know why you say that... Are stock turbos BB?

[discopotato03]

Really need to see it with the housings removed . Turbine housing is RB20/25 but core looks like water cooled T3 . Aluminium compressor backplate looks like TO4B , the compressor being 7/14 blade is probably the Buick Grand National TA34 299-4 . She's a typical bitza Hi Flow and the results are usually very average .

[CATKICKER]

oh, interesting. Thanks for the educated insight... Having said that would you expect it to perform better than a stock RB25 turbo?

We will have to see how it goes, I just want to get a screamer pipe before I put it on...

[JaFF]

if it's laggy as sin on your rb20 cat I'll swap ya my r33 turbo

[CATKICKER]

if it's laggy as sin on your rb20 cat I'll swap ya my r33 turbo

ha, thanks for the offer Jaff but from what I have been told it worked well and I don't believe it will be but will update once it is on! should be about a month because I want to get a screamer first and will be doing my timing, water pump, pulleys ect at the same time!

[mr_rbman]

well it was either this or a stocko r33 s2 turbo so for $500 it can't be any worse!

I believe it wend VERY well on the previous RB20 it was on so I don't know why you say that... Are stock turbos BB?

series 2 rb20 turbo's are bb. Put it on and see how it goes, probably make good top end power but not too sure if you'll be too happy with the midrange. I wold probably say an rb25 turo is a far more user friendly turbo and very streetable for an rb20.

[CATKICKER]

going to be putting it on this Sat so we will see how we go!

[CATKICKER]

Hey Guys, I installed it today (BIG job!)... here are some pics.

I am going to take it for a run tomorrow and play with the boost... Will update once I have done so...

[BHDave]

The rear wheel looks to be the same size and design as my old stage 2 highflow from gcg but mine had a bigger 6(12) blade compressor in it. I had full boost a bit over 4. I'd expect you should have something similar with your turbo, maybe a bit lower boost threshold somewhere in the high 3's.

I'll be interested to see how it goes

[CATKICKER]

Well, I fixed up the coolant feed line (What a pain it was!) and took it for a run (YAY no leaking). Bit slow and no kick to it at 8psi so I wound it up to 14!

No wheelspin and has reasonable lag but pulls hard/solid. I would say I have more power now but not as useable... I am just about to go out and fix a small oil feed leak and will then take it for a real run and adjust the boost (I'd say 15psi before I get it retuned).

Not sure about it yet... Does have a LOT of top end though!

Will update when I have had a good run and play with it.

Edited May 7, 2006 by CATKICKER

[CATKICKER]

Not sure how happy I am with it really... Bit to laggy for my liking but does sound very cool! Once spooled up it goes off it's head but not good for off the lights or when you are in third and give it a punch it not responsive, you have to down shift. Think it comes in at about 3,500-4000rpm and full boost at 5000rpm.

I am already thinking about taking it off and swapping it for a R33 S2 turbo. I rekon it would go much better on an RB25!

Hmmmmm, lesson learnt I think. But will be much easier to do the swap the second time around. Might have to take you up on that offer Jaff!

[AlexCim]

Check the actuator is not the problem, being too long and holding the wastegate open.

Did you check that before you put the turbo on? I had a GCG on my 2.5 and it was as laggy as you describe, turned out the wastegate was being held open. Fixed that up, now nice and responsive.