R33 GTR GT-SS Turbo Failing

[Penfold]

Hi,

It sounds like one of my HKS GT-SS turbos is failing ( getting the low siren noise when accelerating ). They would not have many K's on them and was considering just buying a single replacement turbo . They don't appear to make GT-SS turbos themselves anymore so I would have to get the Garrett GT2859R's. I don't really want to upgrade turbos at this stage as I'd be up for another $2500 for a tune alone.

A single turbo is $1400 vs a new kit at about $2,500 for the Garrett GT2859R kit.

What do you guys think? I think it would be best just to replace the single with a GT2859R.

Thanks,

Pen

[R.3.2.G.T.R]

i have a set of gtss in great nick if you do end up replacing

i went single as part of motor rebuild

[JGTC]

Was in the same circumstance last year.  I decided to remove ($750), refurbish ($1500) and refit ($750) my twins.  To build a single set up (turbo, manifold, wastegate, fabricated IC piping, dump-pipe, exhaust, tune) you'd be lucky to have change from $15,000.  There are obvious benefits, but it is an exercise on the wallet.

If you are looking to stay with your current set-up, rebuild the turbos rather than simply replace them with a second hand kit, this is a much surer way to ensure they won't fail again.  Used turbos hate coming off a car and sitting on a shelf, no matter the mileage.

Edited June 27, 2018 by JGTC

[Penfold]

Where did you get the turbos rebuilt?

FOr a cheaper option, I was looking at just replacing a single turbo from my HKS GT-SS set with the equivalent Garrett - GT2859R. I can get a GT2859R from GCG for $1400 new ( https://gcg.com.au/petrol-performance/performance-4/turbochargers-garrett-t-gt-series/garrett-gt2859r-turbocharger-aka-gtr-9-s-detail ) and use my HKS actuator. That would be keeping the other turbo (provided it is in good condition). So hopefully saving on some labour as well by just replacing the damaged turbo.
Do you think I should just replace both - it would be $2500 for a new 2xGt2859r kit? I could go second hand to probably save a little.

[JGTC]

I got my twins rebuilt and balanced at Precision Turbochargers in Wetherill Park, NSW - https://precisionturbos.com.au/.

Replacing 1 faulty turbo and replacing it with another 'similar' turbo would cause headaches down the track.

1. GT-SS and 2859-9s are slightly different in spec and will blow differently.

2. You leave yourself open with the other GT-SS being prone to failure, thus setting you up for another remove and replace bill which is the costly part of a low-mount twin configuration

3. for the price of 1 new, you could refurbish both GT-SS', which i still think is the most reliable and cost effective option.  While you're replacing you could opt to replace the water & oil lines with a supertec braided kit over the hardlines which are prone to threading upon removal - https://www.facebook.com/supertecracing/posts/1753715698048181

[WantGTR]

Buy 2 new ones that are the same as what you have. While you are there get a full gasket kit. Thats your surest and cheapest way to fix it.

[Dose Pipe Sutututu]

2 hours ago, WantGTR said:

Buy 2 new ones that are the same as what you have. While you are there get a full gasket kit. Thats your surest and cheapest way to fix it.

Or go single, change both turbos and within a few years one of the turbos will fail again with a bit of boost.

Where's @Piggaz ? Lol

[WantGTR]

5 minutes ago, Dose Pipe Sutututu said:

Or go single, change both turbos and within a few years one of the turbos will fail again with a bit of boost.

Where's @Piggaz ? Lol

Yeah 10k later lol

 

Or 3k or less to keep current setup. GTRs are suppose to have twins @Dose Pipe Sutututu thats what makes it a real gtr?

[Dose Pipe Sutututu]

7 minutes ago, WantGTR said:

Yeah 10k later lol

 

Or 3k or less to keep current setup. GTRs are suppose to have twins @Dose Pipe Sutututu thats what makes it a real gtr?

Says the guy who binned his gay sex twins and went single 

[WantGTR]

14 minutes ago, Dose Pipe Sutututu said:

Says the guy who binned his gay sex twins and went single 

Single is boss. But if not wanting to spend too much money fix what is broken.

[KiwiRS4T]

Wow $2500 for a tune ... do you live somewhere that you need to fly a tuner in?

[Penfold]

Thanks for the help guys.

I can get this braided oil & water kit for $143.10 here would that be equivalent to the supertec braided kit?

I was looking at just buying another set of turbos Here . Rebuilding was going to cost only a little less.

I should also buy the turbo gasket kit too here .

Anything else to add to the shopping list?

[WantGTR]

10 hours ago, Penfold said:

Thanks for the help guys.

I can get this braided oil & water kit for $143.10 here would that be equivalent to the supertec braided kit?

I was looking at just buying another set of turbos Here . Rebuilding was going to cost only a little less.

I should also buy the turbo gasket kit too here .

Anything else to add to the shopping list?

I wouldnt buy a cheap hose kit. After going single turbo i probably spent closer 1k for braided hoses and fittings by the time it was all said and done.

Your gasket kit comes with new copper washers so as long as the stock lines are good id reuse those.

Would also get a new exhaust gasket (block to manifolds).

This is a great time to do dump pipes if you havent already. Hpi/tomei seem to be the go. Aparently split dumps are the devil lol.

[discopotato03]

I think you'll find that GTSS and 2859Rs have cartridges with the same part number so the compressors should be the same . Turbine is just a cropped NS111 .

Some time back Garrett wouldn't sell the cartridge on its own . If your sick turbo has a good compressor and housing you should be able to get it rebuilt . From memory Garrett did a turbo called GT2854R which uses the same turbine as the GTSS/GT2859R . Someone who can get that cartridge should be able to use your compressor and housing on that to create the same thing - provided you comp and housing are good .

Edited July 6, 2018 by discopotato03