NEW GTX2876r KA-T

Basic tech questions such as future setups, different turbo kits, car diagnosis, etc
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ka-torqy
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NEW GTX2876r KA-T

Post by ka-torqy »

i was wondering if anyone KA's are running this turbo set up yet...theres a thread going on zilvia, but for an SR, i want to see wat kind of power and boost and response this turbo has for a KA....ppl are already sayin it comes on faster, smoother, and has more power per boost when compared to the gt2871r????

i have this turbo as well but the motor is still in the works : (

also interested to see as well if anyone is running the DOC T2 bottom mount manifold?
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Post by emo_tactical9 »

Let me borrow yours and I will let you know.
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Post by ka-torqy »

hahah...no....its lookin pretty sick in regards to how well its doing how much more air its flowing and response.....deff wanna see this turbo pushed to its limits and wat it can do on a KA...cant belive nobody is running this turbo yet...i know its new but still...somebody!!!
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Post by NateDogg »

I'm sure it will be a very responsive setup.

Most people that buy a ball bearing turbo will go with at least a GT30 size so you may be the only one for a while anyway.
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Post by Walperstyle »

Would gladly trade my GT3582R for a GTX3076 ...any takers?
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240sxfan6882
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Post by 240sxfan6882 »

I will be getting this turbo on .86AR and 2.5"V band exit very soon. I will keep you all posted!
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Post by redpotatoes »

I can always install it on my setup to see the difference lol !
KA24DET GT2871R .86 Setup:
viewtopic.php?t=44222
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Post by 240sxfan6882 »

Im hell bent between 3 turbos:

Tomei Arms M7960 (I think the 8270 will be too laggy)

http://www.frsport.com/Tomei-173019-M79 ... 17088.html

The Garrett GTX2867r in .86AR V-band

Or Garret GT3071r .64AR T25 with 3 inch inlet

AGH!! Decisions decisions!

Goal: Very good resonse, and mid 350s HP or so at 15PSI on bottom mounted turbo.
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Post by sdaigle240 »

unless they fixed it from about a year ago. Tomei turbos are a junk and overboost like crazy (im not even sure if they make EWG units though).



theres nothing to think about. get the 3071. or save yourself $1200 and get an hy35. look em up, VERY comparable.
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hy35 18psi Build Thread: viewtopic.php?t=38784
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Post by 240sxfan6882 »

sdaigle240 wrote:unless they fixed it from about a year ago. Tomei turbos are a junk and overboost like crazy (im not even sure if they make EWG units though).



theres nothing to think about. get the 3071. or save yourself $1200 and get an hy35. look em up, VERY comparable.
Yeah they fixed the Tomei creep issues which were pretty hunting them back in 2010.

The turbo will have to be a t2 flanged because of the stock SR20 mani that im getting converted. The HY35 is a t3 flange for what I remember.

The GTX2867R with .86 sounds like a lot of fun too! it flows 50lbs a min and has 475HP rating
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Post by superDorifto »

Hell yeah, another SR20 conversion manifold...

I had a member here make me one....running a smaller t28r, but I'm seriously looking at the gtx2876 for next summer.

I cannot wait to see how they perform on a KA, on an SR - I've seen dyno charts for 400whp with an external WG and other supporting mods at ~21psi
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Post by sdaigle240 »

^your taking the extra (and expensive) effort to make a BOSS 2876 setup but most wont even touch you efficiency.

heres some numbers for a typical setup... this is a dynapack which is ~26% higher then a mustang and 13% more then a dynojet. and this is a T3

viewtopic.php?t=44790&highlight=%2A3071%2A

same dood, more boost and tuning. really pushing it here.
viewtopic.php?p=437661&highlight=#437661
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Post by 240sxfan6882 »

Yeah $1400 turbo aint cheap by no means!

So far the specs are GTX2867r with .86AR T25 Plus housing with a 2.5" V-band outlet for $1400 which is the BEST price that I have found with that upgraded housing.

My manifold process has beggan! Here's the 38mm flange getting welded to 1/8 thick DOM pipe that will be welder ontop of the manifold for external WG setup. I will show you the progress as it goes.

I will be buying the turbo in a few days. Maybe today!

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Post by 240sxfan6882 »

I just noticed this isnt my tread lol.

Sorry I didn't mean to tread-jack! Ill post the updates on another topic as they come
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Post by 240sxfan6882 »

GTX2867r Purchased!!! Itll be here in a few days!
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Post by 240sxfan6882 »

Wooo!! The turbo has arrived along with the finished manifold!

I can't wait! This turbo is much smaller than the T3t4 and the mani + turbo combo is also much lighter than my current. I will test fit it on the car maybe next weekend!

Pics:
SR to KA Manifold Finished:
Image

Package:
Image

Front Cover:
Image

Rear housing:
Image

Rear V-Band shot:
Image

Test Fit:
Its got lots of clearance with the stock turbo:
Image

Cant wait to get that puppy going!
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Post by ICEMAN.KCMO »

Wow... for a budget hack job manifold, that looks REALLY good... I would consiter dumping my current T2 manifold for that one...
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Post by 240sxfan6882 »

ICEMAN.KCMO wrote:Wow... for a budget hack job manifold, that looks REALLY good... I would consiter dumping my current T2 manifold for that one...
Yeah man this one dude I know can really do an awesome job with these! There's another post on here where I posted more pics of it. I got the flanges resurfaced and now Im just waiting for the right weekend to start converting.
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Post by jholman05 »

Very interesting setup. I'll have to check back on this from time to time.

How do the SR20 exhaust ports compare to the KA's? Same size?
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2012 - S14 KA, Nismotronic, GTi-R T28 12psi, Meth, PSM HMIC, DW550cc, N62, S15 HLSD, Spec 3, Fidanza = 12.4 @ 110
2013 - 9.0 Wiseco/Manley, Nismotronic, GT2876R 23psi, Meth, PSM HMIC, 850cc, N62, S15 HLSD, Z32 Spec 3, D21 Fidanza = ??.? @ ??? 440whp/380wtq
YouTube Channel -> http://goo.gl/MZ5EE
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Post by 240sxfan6882 »

jholman05 wrote:Very interesting setup. I'll have to check back on this from time to time.

How do the SR20 exhaust ports compare to the KA's? Same size?
The runners line up correctly, however, the SR manifold will need some porting. The diameter was quite bigger on the KA flange compared to the SR ports. I ported the manifold and all it needs is a cleaning from the inside to make sure I rid it of debris.
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Post by jholman05 »

Any update on this?

I saw this thread and it made me think of your setup....

viewtopic.php?t=58185
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2012 - S14 KA, Nismotronic, GTi-R T28 12psi, Meth, PSM HMIC, DW550cc, N62, S15 HLSD, Spec 3, Fidanza = 12.4 @ 110
2013 - 9.0 Wiseco/Manley, Nismotronic, GT2876R 23psi, Meth, PSM HMIC, 850cc, N62, S15 HLSD, Z32 Spec 3, D21 Fidanza = ??.? @ ??? 440whp/380wtq
YouTube Channel -> http://goo.gl/MZ5EE
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Post by 240sxfan6882 »

Ill start converting this month, possibly next weekend.
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Post by 240sxfan6882 »

I started the actual project and made a picture thread so that I don't flood the chat channel.

I'm going to get to work on it this weekend by swapping/pulling/removing parts. Fabbing will likely get started next week because the welder/fabricator is busy as balls at the moment:

viewtopic.php?t=59212

I'll do the water lines this weekend
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