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Old 02-11-2009, 09:03 PM   #21
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Quote:
Originally Posted by Rafa View Post
Actually Rotor; this time I have to disagree with you. The engine of that car was the SR26DETT Twin turbo. The guy who sold me the turbos has a Nissan GTR-33 (6 cylinders). Here's a link: Nissan Skyline - Wikipedia, the free encyclopedia
Rafa, I don't want to start an arguement with you since we get along so well, so I'll give you a rebuttal as nicely as I can :

There's no such engine as the SR26DETT, there was the RB26DETT, I'll just say you meant that in the first place, the engine designations are a pain to keep up with anyway.

The R33s turbos were journal bearing, not ball-bearing. Only the R34 RB26DETT had BB Garretts, which were either GT2860R (R34 N1) or GT2556R (R34) turbos.

The main point here is that the turbos in the R33's RB26DETT are not GT2560Rs. They have a .60 a/r compressor and .48 a/r turbine, and the turbine wheel is made out of steel, not ceramic. They are smaller and only good for about 18-19psi before their turbine wheels break. I don't remember the exact designation for them, but IIRC they are T2530R turbos. Here's a rundown on the Nissan Garrett turbos for reference: http://zilvia.net/f/791317-post3.html

Also, the picture I used came straight from TurboByGarrett.com, which says "OEM turbocharger on Nissan SR20DET engine". Since they provided the turbos to Nissan, I hope they have their information right.

Rafa, when you get the turbo, I'd really like to know what the placard on the turbo says if it's still intact. It'll be a bunch of numbers, but they mean something. Like I said, if it's from an R34 like you were told, it's either a GT2860R or GT2556R, and the placard should have "707160" or "702987" on it.

Anyway, it's good information to have while shopping for used turbos. Sorry Phil.

Last edited by RotorNutFD3S; 02-11-2009 at 09:36 PM.
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Old 02-11-2009, 10:48 PM   #22
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Quote:
Originally Posted by RotorNutFD3S View Post
Rafa, I don't want to start an arguement with you since we get along so well, so I'll give you a rebuttal as nicely as I can :

There's no such engine as the SR26DETT, there was the RB26DETT, I'll just say you meant that in the first place, the engine designations are a pain to keep up with anyway.

The R33s turbos were journal bearing, not ball-bearing. Only the R34 RB26DETT had BB Garretts, which were either GT2860R (R34 N1) or GT2556R (R34) turbos.

The main point here is that the turbos in the R33's RB26DETT are not GT2560Rs. They have a .60 a/r compressor and .48 a/r turbine, and the turbine wheel is made out of steel, not ceramic. They are smaller and only good for about 18-19psi before their turbine wheels break. I don't remember the exact designation for them, but IIRC they are T2530R turbos. Here's a rundown on the Nissan Garrett turbos for reference: Zilvia.net Forums - View Single Post - RB26dett Turbos ?'s

Also, the picture I used came straight from TurboByGarrett.com, which says "OEM turbocharger on Nissan SR20DET engine". Since they provided the turbos to Nissan, I hope they have their information right.

Rafa, when you get the turbo, I'd really like to know what the placard on the turbo says if it's still intact. It'll be a bunch of numbers, but they mean something. Like I said, if it's from an R34 like you were told, it's either a GT2860R or GT2556R, and the placard should have "707160" or "702987" on it.

Anyway, it's good information to have while shopping for used turbos. Sorry Phil.
lol! Thanks for the lesson.

No way I can be offended by learning. More so coming from you.

I'll doublecheck it tomorrow morning.
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Old 02-12-2009, 12:18 PM   #23
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Ok Eric; now I need your help. Here are some pics:

What is it?

Thanks
Attached Thumbnails
Wtb gt 2560-dsc00743-small-.jpg   Wtb gt 2560-dsc00753-small-.jpg  
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Old 02-12-2009, 01:04 PM   #24
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That's a Garrett TE2701 turbo.
.42 a/r on the compressor as seen, the exhaust should be .48 a/r and it's journal bearing. After some research again, It was used on R32 and R33 RB26DETTs until they switched to the steel turbine wheels, which was the same size, but different Part Number. I'm guessing there was something that designated which version of the R33 got the .42 compressor and which one got the .60 compressor, because both sizes came on the R33. I always thought the TE2701 was just an R32 turbo. Learn something new everyday.

More specs:

Compressor (Considered a T3 housing)
Wheel - 50 Trim
Inducer - 42.51mm
Exducer - 60.1mm

Turbine - T25
Wheel - 62 Trim (Ceramic)
Inducer - 53.8mm
Exducer - 41.7mm

Last edited by RotorNutFD3S; 02-12-2009 at 01:15 PM.
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Old 02-12-2009, 01:19 PM   #25
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Quote:
Originally Posted by RotorNutFD3S View Post
That's a Garrett TE2701 turbo.
.42 a/r on the compressor as seen, the exhaust should be .48 a/r and it's journal bearing. After some research again, It was used on R32 and R33 RB26DETTs until they switched to the steel turbine wheels, which was the same size, but different Part Number. I'm guessing there was something that designated which version of the R33 got the .42 compressor and which one got the .60 compressor, because both sizes came on the R33. I always thought the TE2701 was just an R32 turbo. Learn something new everyday.

More specs:

Compressor (Considered a T3 housing)
Wheel - 50 Trim
Inducer - 42.51mm
Exducer - 60.1mm

Turbine - T25
Wheel - 62 Trim (Ceramic)
Inducer - 53.8mm
Exducer - 41.7mm
Thanks man. BTW, it was installed in a Nissan Skyline GTR-33

Well done.
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Old 02-12-2009, 01:20 PM   #26
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Quote:
Originally Posted by RotorNutFD3S View Post
That's a Garrett TE2701 turbo.
.42 a/r on the compressor as seen, the exhaust should be .48 a/r and it's journal bearing. After some research again, It was used on R32 and R33 RB26DETTs until they switched to the steel turbine wheels, which was the same size, but different Part Number. I'm guessing there was something that designated which version of the R33 got the .42 compressor and which one got the .60 compressor, because both sizes came on the R33. I always thought the TE2701 was just an R32 turbo. Learn something new everyday.

More specs:

Compressor (Considered a T3 housing)
Wheel - 50 Trim
Inducer - 42.51mm
Exducer - 60.1mm

Turbine - T25
Wheel - 62 Trim (Ceramic)
Inducer - 53.8mm
Exducer - 41.7mm

So what does all that mean? What kind of performance could one expect using that in a Miata?


Rafa, any pics of the flanges?
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Old 02-12-2009, 01:37 PM   #27
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Quote:
Originally Posted by levnubhin View Post
So what does all that mean? What kind of performance could one expect using that in a Miata?


Rafa, any pics of the flanges?
I think that one is too small for you. Sorry Phil.

I'll see if I can take some pics of the flanges.
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Old 02-12-2009, 02:08 PM   #28
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Agreed. Smaller than your 2554. Great starter turbo for someone that doesn't want a ton of power at the beginning.
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Old 02-12-2009, 07:11 PM   #29
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I'm really leaning towards selling my GT2560r. Like new, only a couple thou miles on it (literally, like 2K), ceramic coated by BEGi. But $400 won't do it.
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Old 02-12-2009, 08:04 PM   #30
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401$?
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Old 02-12-2009, 08:19 PM   #31
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I'm really leaning towards selling my GT2560r. Like new, only a couple thou miles on it (literally, like 2K), ceramic coated by BEGi. But $400 won't do it.
PM me with what your lookin for.
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Old 02-12-2009, 09:50 PM   #32
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I'm prepared to pay up to 500 for one.
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Old 02-17-2009, 03:03 AM   #33
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the one i was going to sell him was off my fm kit but my new turbo went up ***** creeck
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Old 02-18-2009, 12:58 PM   #34
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Old 02-18-2009, 01:01 PM   #35
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It's more than likely a journal bearing T25 with a t3 60 trim wheel on it, so a 2560 non-BB.

make sure that turbine flange is the same, the footprint looks more like a T3 inlet.
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Old 02-18-2009, 01:29 PM   #36
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Originally Posted by Braineack View Post
It's more than likely a journal bearing T25 with a t3 60 trim wheel on it, so a 2560 non-BB.

make sure that turbine flange is the same, the footprint looks more like a T3 inlet.
Thanks, it wouldn't work with my dp anyway.
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Old 02-18-2009, 08:10 PM   #37
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Old 03-20-2009, 12:33 AM   #38
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Still looking guys and I think this is more of a NEED to buy.

See why-> https://www.miataturbo.net/forum/t32958/#post384441
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Old 03-23-2009, 04:19 PM   #39
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luv If you wanted to go the RB route I Have that Turbo if you were interested in fabing the DP https://www.miataturbo.net/forum/t32960/
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