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01-29-2013, 08:34 PM | #151 | |
Scooby Specialist
Member#: 193757
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Cedar, MI HP Techs MPS-SSLR2.5
Vehicle:2006 XTI Limited OBP, Junior tuned 573WHP |
Quote:
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Last edited by manitou; 01-29-2013 at 11:49 PM. |
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01-30-2013, 12:47 AM | #152 |
Scooby Specialist
Member#: 114631
Join Date: May 2006
Chapter/Region:
Tri-State
Location: TheShopCT / EFI LOGICS
Vehicle:2009 GTR, 735whp 13' Benz, 15' WRX |
Nice job guys!!! Car has to be a rocketship!!
-Mikey |
02-04-2013, 11:20 PM | #153 |
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Member#: 189118
Join Date: Sep 2008
Chapter/Region:
PRSIC
Location: Miami, FL
Vehicle:2003 S.Yellow WRX 2008 BMW 335i |
How do you get these numbers with the oem catback and muffler? I'm a gd guy so I might be missing out on something
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02-05-2013, 12:08 AM | #154 |
Scooby Specialist
Member#: 278519
Join Date: Apr 2011
Chapter/Region:
SCIC
Location: Phatbotti
Vehicle:30r E85 sti 450+whp kb'izzle |
the 08+up is a whole nother story, when gd stock system is restrictive, the design of the new sti doesnt hold it back like before, and its a stealth
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02-05-2013, 01:00 AM | #155 |
Scooby Specialist
Member#: 283134
Join Date: May 2011
Location: AZ
Vehicle:2015 STi LE EFR7163 500whp/550wtq |
Yep, what Irv said
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02-05-2013, 10:22 AM | #156 |
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Join Date: Mar 2010
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I was thinking about going with a gtx3576, but now you have me thinking otherwise.
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02-05-2013, 12:05 PM | #157 |
Scooby Specialist
Member#: 193757
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Cedar, MI HP Techs MPS-SSLR2.5
Vehicle:2006 XTI Limited OBP, Junior tuned 573WHP |
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02-05-2013, 01:18 PM | #158 |
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Why? It should make gt35r power with gt35r spool and costs more than a gt35r. The compressor maps between them are almost the same and the hotside would be the same. The only possible benefit is the smaller diameter of the compressor wheel which although it may spin up very slightly faster if you look at the compressor map it has to spin faster to flow the same air anyway. I know that's all arm chair engineering I'm hoping someone has a back to back comparison to show why it's worth it.
Edit Actually I believe a 35r has more power potential than a gtx3576 and will spool the same if not sooner. Last edited by kakarot09; 02-05-2013 at 03:03 PM. |
02-05-2013, 02:39 PM | #159 |
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Join Date: Feb 2010
Chapter/Region:
MAIC
Location: VA
Vehicle:2007 WRX TR UGM |
My list of possible turbo's has the GTX3076R, looked into the X3576 but I see the X3076 being more bang for buck..not saying they aren't seriously over priced $_$
I'd like to see these turbo's spun up to or past 8k. |
02-05-2013, 03:26 PM | #160 |
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SCIC
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Vehicle:2007 2.34LR, EFR7670 LINK G4+ hybrid STi |
What's the price difference between the gtx3076 and the gtx3576?
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02-05-2013, 03:46 PM | #161 | |
Scooby Specialist
Member#: 193757
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Cedar, MI HP Techs MPS-SSLR2.5
Vehicle:2006 XTI Limited OBP, Junior tuned 573WHP |
Quote:
I am running the Blouch version of the 3576,the Dom 3.5XTR. The difference is the Blouch stock location version uses a 64mm turbine wheel (a wheel that Garret developed but does not use on any current models), Garrett CHRA vs the 68mm turbine wheel of the GTX3576. I am slightly handicapped by the stock location intake piping and compressor housing but have found that my set up spools as fast or faster than most of the Dom 3XTR's and makes more power. I made 400 ftlbs. at 4200 in 4th gerar on the PnL Dynojet with conservative timing because of some crappy unbalanced injectors I had installed at the time of tuning. After I sorted out the injectors and installed the ID 1k's I was making 28.4 psi (420 ftlbs.) at 3640 rpms in 4th gear and carrying 28 psi all the way out to my then 7800 rpm redline with no taper at all. I know this is the Dom 3.5XTR and not the GTX3576 but really the the 3576 should perform better than my 3.5XTR given all the same conditions on my build. They should be the same price as the GTX3076 and more than the GT3582R. I would just shop around. |
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02-05-2013, 03:54 PM | #162 | |
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Location: Lacey, WA
Vehicle:04 PSM |
Quote:
GTX3071- $1434.70 GTX3076- $1434.70 GTX3576- $1795.61 GTX3582- $1849.40 |
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02-05-2013, 03:59 PM | #163 |
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Impressive numbers.
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02-05-2013, 04:35 PM | #164 | |
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02-05-2013, 04:37 PM | #165 | |
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Quote:
http://cheapturbo.com/store/turbocha...s-ball-bearing |
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02-05-2013, 04:51 PM | #166 |
Former Vendor
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The gtx3576 was made for the 2.5 ltr motor by garrett because me and some others asked for it directly. It was a simple project of swapping parts and listing parts in the catalog so there was little work to make this a reality. Its a great turbo, really has a wide power band and has enough turbine to get that heat out of the turbine.
Its also great for twin turbo V8's where we have the same issue of the turbines being to small. Most people dont bother to measure the turbine pressure and only measure compressor pressure and as a result, They dont know what they are missing. The GTX30R will not make GT35R power period. Dont be fooled. It does make more then the GT30R as it has a larger compressor. On cars with a big external gate that can bypass a ***** ton of exhaust past the little turbine, some good power can be made. The GTX offers about 10 to 20 % more compressor flow at higher boost. At lower boost pressures of pump gas, I prefer the standard GT30 and GT35. something to think about... Running a GTX30R hard on E85 makes alot of trq. More trq then top end power. That can be distructive on parts. Simply swapping that turbo out for the GT35R and or GTX35R on the same engine setup and boost pressure makes another 100whp+. I like free HP,big top end power and I dont like a turbo running at its max. I have swapped them all out back to back many times over the last few years. If you have the fuel system, Get the larger turbo. C |
02-05-2013, 04:58 PM | #167 | ||
Scooby Specialist
Member#: 193757
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Cedar, MI HP Techs MPS-SSLR2.5
Vehicle:2006 XTI Limited OBP, Junior tuned 573WHP |
Quote:
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02-05-2013, 05:05 PM | #168 | |
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02-05-2013, 05:40 PM | #169 |
Scooby Specialist
Member#: 193757
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Cedar, MI HP Techs MPS-SSLR2.5
Vehicle:2006 XTI Limited OBP, Junior tuned 573WHP |
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02-07-2013, 01:26 AM | #170 |
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Vehicle:2006 SGM BW88-75 E85 |
Nice numbers. Phatbotti tunes FTW!
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02-07-2013, 01:39 AM | #171 |
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That's a great turbo for a very wide power band. That compressor has one of the widest usable areas at that psi level out there. I'm curious the reason behind sticking with stock cams and stock exhaust after the down pipe with such a high flowing turbo. I must say I would have expected a much more significant torque drop on the top end with these choices. If the flow is free enough, you're easily looking at a 600+ hp setup and higher if you could rev it out more. That turbo certainly doesn't roll off on the high end if the engine can flow the air. If 7k was the goal, I'm curious why a GTX3071R wasn't the choice instead. Maybe there's something specific to your choice...or headroom for future plans.
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02-07-2013, 02:16 AM | #172 |
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Join Date: May 2011
Location: AZ
Vehicle:2015 STi LE EFR7163 500whp/550wtq |
I consider myself an enthusiast, but I didn't really have many specific goals. Moving from the Dom1.5 I just wanted more power and similar spool and street manners. I read about the GTX and Perrin's big post had recommended the 3076. I'm very happy with the choice.
As for heads, didn't want to be making monster monster power, and didn't want cams either since not much showed me it was really worth it for my needs: street daily driver. And stock exhaust because I prefer quiet, and inconspicuous when I'm flying down the road I'm sure with just an exhaust and rev it out to 7500 I'd hit 600whp. I want this to last, and didn't feel the need to change the oem rev limiter, and Ron didn't suggest it either. |
02-08-2013, 06:42 PM | #173 |
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Vehicle:30r E85 sti 450+whp kb'izzle |
Im hoping shortly down the line when cars are together, ron will have a gtx3582 vs gtx3576 comparison (he has a gtx30r as well if he feels like testing it along with these), as well as a gt3076 vs gtx3576, im sure plenty have been waiting for those results
would love to see this gtx30r the op has cranked up near 600whp |
02-11-2013, 05:47 PM | #174 |
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nice man
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02-20-2013, 11:20 AM | #175 |
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Member#: 283134
Join Date: May 2011
Location: AZ
Vehicle:2015 STi LE EFR7163 500whp/550wtq |
I've been tracking my 0-60 times with the AP since I had my 2011 WRX. I just got the transmission rebuilt, replacing a broken interlock arm, adding new synchros to 2 and 3, and also replacing 2nd gear. Man is this transmission WAY better now.
I always had problems getting into 3rd at high RPM (drag launches), the previous owner(s) had definitely left their mark on the trans. Now that its back, it's a piece of cake to shift it. Pulled my best 0-60 (based on the AP) with the new rebuild, I think there's a 10s run in her |
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