Hi all just wondering what else I will need to get parts wise for my upgraded turbos as want it all doing at the same time

So far I have

1/turbos

2/godspeed smic

3/550cc injectors

4/braided turbo oil lines new gaskets ect

5/ point lower rear brace

6/2 point lower front brace to tighten things up

Decat exhaust already fitted as is boost controller

 

I know standard z feul pumps are fine for 500bhp so don't think I need one of those but will I need an fpr or any other bits people can recommened

figging hell but thanks noel im just still trying to find a decent pair of tubs that dont cost the earth that give out resonble results with 2.5 inch pipework a fmic and a decent breathing set up. cant beleave its this hard. i tell you, some trader on here is missing a big gap in the market for some tried and tested good tubs

 

Tried & tested takes time & lots of testing (road & dyno). Things are moving ahead on this.

It won't be a T28 core (CHRA) as there is no mention of changes to the turbine wheel & housing from the stock TB22. They look the same size as stock, from what I can tell.

 

Spin Doctor: No, they are not GT28 turbochargers.

 

If the rear is unchanged from stock, they are T3/T22 hybrids

 

Also, a T28 and everything up to a GT3071R have T25 fittings. The next sixe up is the T3-frame turbocharger.

 

I agree the pictures look stock, it does say in the advert that compressor wheels have been changed to gt28 ones, with trick machining work.

"They have been UPGRADED to T-28 compressors with all the trick machine work and a 360 deg. thrust bearing "

T22,T25 and T28 are all the same core it's just the wheels and housings that vary no? That's why the CHRA rebuild kit is universal for them all. I used "skyline" kits to rebuild mine which were genuine garrett, said in the pack for 22,25 and 28 I'm sure. Also the advert is confusing because GT turbos are Garett's ball bearing style modern ones arnt they? The journal bearing ones are labeled simply T--.

 

The Z1 gt525 kit is a T28 CHRA with machined housings to accept the larger compressor wheels, I've been told that loads of times. I'm not going to use them myself anyways I'm going for with GT2560r or GT2554r

CHRA is an acronym for Centre Housing Rotating Assembly. The core consists of the compressor & turbine wheels, central housing, bearings etc.

Edited October 3, 201411 yr by Noz
typo

bloody hell. and now you see my point. please is there somewhere out there when you tubs go tits up you can say , right its going to cost say one large to replace the tubs, i even dont even think theres a decent place that ive found to replace the standerd ones , but then why would you, the seARCH continues

My GT2870s churbos are going strong. Silly power up top, may even get chance to dyno the car next week, but probably not!

i now typed in GT2870s and came up with a tub that cost 178 quid/. sorry this is doing my freggein nut in , all iwant to do like every one esle who needs a replacement is get some sound advice. but with the tubs get a load a numbers and potrntial specs dont dont actually meet up either. what a load of toffeeeeeeeeeeeeeeeeeeeeee.l

Yeah, I run Chinese turbos, was the quickest option before TOTB.

 

If you want a quick solution, by a Supra :wack:

Noz would you rate the turbos? Or do they smoke like a hell?

Noz would you rate the turbos? Or do they smoke like a hell?

 

My turbos? No smoke at all, I first used Chinese turbos many years ago to great effect on my S13, so I've known for some time it pays to fit oil restrictors to give the seals a chance. I need to do some serious testing on the road, dyno & drag strip in my Zed and compare the figures with my stock turbo set up.

Chinese turbos...........that's tantamount to treason for lesser mortals! .......I can hear a posse in the distance....and theyre a-saddling up an comin for you!!:2guns:

Heh, the Chinese have surely had enough time to learn how to build turbos properly!

I know what CHRA stands for...

 

Spindoctor, it's really not that complex. There are loads of kits out there, most if the big American companies offer these kits, the names vary but they all very similar. There's no secret or magic, they simply use Garret(the brand) turbos and modify them to fit, that's what your paying for the machine work or adapter kit. Your paying for the convenience of a kit that simply bolts on.

 

For example take the GT600 kit, that uses two turbochargers from a Nissan Silvia known as GT2560r. These are then rotated to line up with the zeds requirements for the exhaust and front outlet by a process known as clocking, it's a fancy name for unbolt it and turn it to the right position. Then the in and out for the oil is modified to work, a restrictor to apply correct pressure(our orginal turbos need way more oil than new design ones) and the drain has obviously moved a bit so that needs bobbing about with. The Wastegate actuators no longer fit so they need work, a bracket and a dog leg. Then the front inlet pipe needs an adapter plate as it's 180 degrees out compared to the zed.

 

You just needs to decide what suits your needs in terms of performance, budjet and quality. Then pick the most appropriate kit.

Heh, the Chinese have surely had enough time to learn how to build turbos properly!

 

They can build anything, they build iPhones and pretty much everything else. Is I forcing thier own quality control china suffers with.

I know what CHRA stands for...

 

Spindoctor, it's really not that complex. There are loads of kits out there, most if the big American companies offer these kits, the names vary but they all very similar. There's no secret or magic, they simply use Garret(the brand) turbos and modify them to fit, that's what your paying for the machine work or adapter kit. Your paying for the convenience of a kit that simply bolts on.

 

For example take the GT600 kit, that uses two turbochargers from a Nissan Silvia known as GT2560r. These are then rotated to line up with the zeds requirements for the exhaust and front outlet by a process known as clocking, it's a fancy name for unbolt it and turn it to the right position. Then the in and out for the oil is modified to work, a restrictor to apply correct pressure(our orginal turbos need way more oil than new design ones) and the drain has obviously moved a bit so that needs bobbing about with. The Wastegate actuators no longer fit so they need work, a bracket and a dog leg. Then the front inlet pipe needs an adapter plate as it's 180 degrees out compared to the zed.

 

You just needs to decide what suits your needs in terms of performance, budjet and quality. Then pick the most appropriate kit.

 

Right, but just because a range of turbos utilises the same rebuild kit, it has no bearing (no pun intended) on the spec of compressor and turbine wheels, which are the most important components of a CHRA/core. Plus, there's a big difference in the end result if the turbos in question only use a T28 compressor wheel (which is in fact a T3 wheel) or an entire T28 core.

 

It's the end result that should matter to Spin Doctor and everyone in fairness, hence it is a complex situation which is compounded by US companies promoting GTX turbos which do not perform as expected until very high boost (1.5bar minimum). Far from suitable for most end users, hence it is not a range I ever recommend having worked first-hand with GTX-equipped cars.

 

In reality it is not that simple to bolt regular turbos to a VG, I've done exactly this in a Turbonoz/Power Zed collaboration :laugh:

They can build anything, they build iPhones and pretty much everything else. Is I forcing thier own quality control china suffers with.

 

I know, hence them needing to build them "properly". I probably imported my first turbo kit 7 yrs ago, and risked them on my own car when it was mainly XSPower in the States that were selling them worldwide and the whole "glued turbo" report was doing the rounds. Went through some spectacular smokey failures before finding a good churbo for my S13.

 

I have dealt a fair bit with Chinese companies, and it's a case of finding the tier 1 resellers that deal with the best 'manufacturers' (so to speak).

 

Churbo quality is far ahead of what it was years ago. I still wouldn't call them a viable alternative for everybody due to the work involved in fitting them on a Zed.

Still seriously concidering buying dans set up but cant quite jutify 1900 quid just a bit rich for me.but as time ticks on and i do some more overtime then.i might well do.so tempted.im off next week on to work again for three weeks and im due some overtime from last trip when i was wearhered on fo a couple of days.ive ordered my tyres from opineo.got me air idle valve thingy and a new gasget.got me rev limmiter now being finished of a the leather shop.made a long loom to solder on when i get back. Marks looking at some options for me as well.so buy the end of this mounth ill be sorted.

Right, but just because a range of turbos utilises the same rebuild kit, it has no bearing (no pun intended) on the spec of compressor and turbine wheels, which are the most important components of a CHRA/core. Plus, there's a big difference in the end result if the turbos in question only use a T28 compressor wheel (which is in fact a T3 wheel) or an entire T28 core.

 

It's the end result that should matter to Spin Doctor and everyone in fairness, hence it is a complex situation which is compounded by US companies promoting GTX turbos which do not perform as expected until very high boost (1.5bar minimum). Far from suitable for most end users, hence it is not a range I ever recommend having worked first-hand with GTX-equipped cars.

 

In reality it is not that simple to bolt regular turbos to a VG, I've done exactly this in a Turbonoz/Power Zed collaboration :laugh:

 

The core ie the cast part, is not the same then between t22,25 and 28? I was under the impression the core was the same but the rotating assembly ie the compressor wheels (shaft and exhaust wheel are one piece are they not?) changed. Then the aparture for the wheel in housing was machined out to suit the new larger wheels?

 

I don't expect it to be easy to bolt up the turbos not designed for it, that's why it's worth for many people paying for the kit. I personally though am quite confident I can sort that part out, I've got a bit of experience with making stuff, I suppose you could say it's my profession.

I know, hence them needing to build them "properly". I probably imported my first turbo kit 7 yrs ago, and risked them on my own car when it was mainly XSPower in the States that were selling them worldwide and the whole "glued turbo" report was doing the rounds. Went through some spectacular smokey failures before finding a good churbo for my S13.

 

I have dealt a fair bit with Chinese companies, and it's a case of finding the tier 1 resellers that deal with the best 'manufacturers' (so to speak).

 

Churbo quality is far ahead of what it was years ago. I still wouldn't call them a viable alternative for everybody due to the work involved in fitting them on a Zed.

 

No doubt they will get there, maybe they already have. I think the whole Americans being anti anything not made in America really doesn't help. I've been tempted to buy godspeeds turbos myself but it seems silly to pay £600 for an unknown when for £1000 I can have genuine ones. I know it's nearly double but it's so much of an arse ache changing them, not to mention the inevitable conversation wit the mrs as to why that £600 you spent was a waste and now a bill of over a thousdand has arrived....for me I don't think it's a sensible option.

No doubt they will get there, maybe they already have. I think the whole Americans being anti anything not made in America really doesn't help. I've been tempted to buy godspeeds turbos myself but it seems silly to pay £600 for an unknown when for £1000 I can have genuine ones. I know it's nearly double but it's so much of an arse ache changing them, not to mention the inevitable conversation wit the mrs as to why that £600 you spent was a waste and now a bill of over a thousdand has arrived....for me I don't think it's a sensible option.

 

Whitch is one of the reasons why i havnt rushed in there.and bought the first thing that came to me. Its not an easy desision to make. After all i dont want to be tacken them out again in six mounths.thats not an option for me.

The core ie the cast part, is not the same then between t22,25 and 28? I was under the impression the core was the same but the rotating assembly ie the compressor wheels (shaft and exhaust wheel are one piece are they not?) changed. Then the aparture for the wheel in housing was machined out to suit the new larger wheels?

 

I don't expect it to be easy to bolt up the turbos not designed for it, that's why it's worth for many people paying for the kit. I personally though am quite confident I can sort that part out, I've got a bit of experience with making stuff, I suppose you could say it's my profession.

 

Compressor wheel, not plural. It's the dimensions of the compressor wheel & turbine wheel that dictate the nomenclature & more importantly the performance. CHRA = core. We're not talking about the central housing.

 

According to the advert in question, it uses a T28 compressor wheel. There is no mention of changing the turbine wheel. It is not a GT28 core based on that information.

Still seriously concidering buying dans set up but cant quite jutify 1900 quid just a bit rich for me.but as time ticks on and i do some more overtime then.i might well do.so tempted.im off next week on to work again for three weeks and im due some overtime from last trip when i was wearhered on fo a couple of days.ive ordered my tyres from opineo.got me air idle valve thingy and a new gasget.got me rev limmiter now being finished of a the leather shop.made a long loom to solder on when i get back. Marks looking at some options for me as well.so buy the end of this mounth ill be sorted.

 

Are Dan's turbos GT2871Rs? They're a lot different to what Mark & I have been talking about.

 

What exactly are your plans for the car?

Compressor wheel, not plural. It's the dimensions of the compressor wheel & turbine wheel that dictate the nomenclature & more importantly the performance. CHRA = core. We're not talking about the central housing.

 

According to the advert in question, it uses a T28 compressor wheel. There is no mention of changing the turbine wheel. It is not a GT28 core based on that information.

 

Right, glad that is that cleared up. Thankyou for your knowledge once again.

Hopefully I'll get to work with the car again and be able to report the results for these specific turbos. Price is competitive, but the concern is the top end performance if the spec of the hot side is the same as stock.

Yes they are gt28rs jobies with a five bolt etc etc

what im after is a pair of tubs that ant going to smoke.so am right in saying they need 360 thrust bearings stagered steped oil seals and since learnt possible oil lines with restritors in there. Need for a bit of extra grunt or ooomph.i will be fitting a fmic to sit behind p spec front bumper in the spring along with two half inch pipe work. I will be needing a ebc so anyrevomendation there would be handy.dont want to track her shes more of a show and shine car.but that said i do like a spirited drive lets say.and love sitting at set of lights. Im keeping the single exhaust but pending what i land up with will be replacing the exhaust from the middle to the engine as the down pipes need doing now anyways.

Ah, I thought they were 2871s. No turbocharger should smoke, it's a sign of damaged seals.