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Old 03-29-2010, 07:20 AM   #1
solidace46
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Member#: 208431
Join Date: Apr 2009
Chapter/Region: NWIC
Location: Gresham, OR
Vehicle:
2002 WRX
Silver

Default 2002 WRX 2.0 TD04 makes 241.4 WHP at PRE

Dyno Pull
PRE, Gresham OR, 97080 181st and Division
51 degrees F
Elevation: 301 FT +- slight variation
Sunny
Tires: 91V Zexius XI-427 All Season 205/55-R16 (~1000 miles)
2002 Subaru WRX
Tuner: Bobby at PRE
Peak HP: 241.4 WHP @ 5850 RPMS
Peak TQ: 240 WTQ @ 4600 RPMS
Baseline: (unknown for WRX) stock STi’s make between 232-235 whp on this dyno
Target Boost: 16 Psi (But it hits 19 if its to the floor, yet I like my tune more conservativeà might even ask him to adjust that for me at DYNO day?? Unsure..)
Target AFR: Unknown
Fuel: Premium 92 Octane
Engine/Power Modifications: Short Ram Air Intake, Samco intercooler hoses, Top Speed Ti Turbo back exhaust, GoFastBits underpulleys, and GT Spec Gen 2 Header & Up Pipe (newest addition )
Driveline Modifications: Exedy Stage 1 Clutch, stock transmission
Suspension Modifications: Rear MRT lower strut bar, STi (I think, I’ve seen pictures and it looks the same, and its pink) top rear strut bar, MRT lowering springs
I also have subwoofers and unfortunately I had an additional 100 lbs or so of metal, if not more, in my trunk that I forgot to take out :/.



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Old 03-30-2010, 12:30 AM   #2
WRX SEX
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08 SSM WRX
MSPT Tuned: 254whp/343wtq

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Nice car, nice numbers. Have you considered boost control?
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Old 03-30-2010, 11:11 AM   #3
MENU
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Location: Greenville, Wi
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2004 STI

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opensource tuned?
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Old 03-31-2010, 05:42 PM   #4
solidace46
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Join Date: Apr 2009
Chapter/Region: NWIC
Location: Gresham, OR
Vehicle:
2002 WRX
Silver

Default

Thanks guys, I have considered a boost controller but I haven't read up enough on it. I also had it tuned at PRE on the dyno -->



Anyways next I am thinking of options, because I have two years til I want to get a new turbo. I'm trying to learn slowly and a lot of the way by doing modifications to get it ready to track when I am out of college. Also I'd rather not take on that expense too. So I am thinking (not in order), TGV Deletes, TMIC OR FMIC, Fuel Pump, Port n Polish intake manifold and turbo. Let me know what your ideas are. Thanks! Oh and I had a TURBOXS up pipe on there before at 227 WHP. So just the header and a better up pipe got me +14 WHP. Anyways thanks for the input. Drive safe out there
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Old 04-04-2010, 09:41 PM   #5
subeforlife412
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Car looks clean
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Old 04-05-2010, 02:39 AM   #6
solidace46
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Silver

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Yeah, maybe soon I'll post up a video...lol when I 'get around' to doing it. My To Do list right now sucks, wish I had more time to work on the car , spring term just started so im outta the mod game for the next 10 weeks. Once summer hits though, I've got plenty of plans for this car in the future
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Old 04-05-2010, 08:30 AM   #7
scoobystas
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Version 8-Vf37

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Tuner must be using a larger correction factor on that dyno because usually Sti will dyno 210-220 on that type. Great looking curve though. Do u have a better shot of the lower range?
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Old 04-05-2010, 05:54 PM   #8
solidace46
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Silver

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Yeah, sorry I sent that picture with my phone. And thats actually even better news to me, lol. I didn't know they dyno that low...I've been told 225-235, but that's even better! Anyways yeah I'll have to get on later and get that picture up for you, I wish I had my first dyno...their printer was out of ink and long story short it took forever to get back to them and now my tuner said it would be too hard to find, at least at the moment. I still have the receipt for it so I am hoping I could go in next time I'm in town and get the previous dyno :/ we'll see
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Old 04-05-2010, 06:18 PM   #9
Audiosavvy
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Qcab dakota 4x4
LT1 Formula Firebird

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That torque comes in WAAAAAAY late for a TD04. As in, more than 1k RPMs late, and the buildup looks way smoother than it should be.

For a TD04, essentially Stage 2 + a header, I'd expect a WALL of torque no later than 3k, with the peak at or near 3k. Peak torque, for me at Stage 2, was somewhere around 3k, with peak boost being near 2500.

Something isn't right, though your peak numbers look about right.
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Old 04-05-2010, 09:17 PM   #10
solidace46
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Silver

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I don't think my turbo is in the greatest condition, I mean I know its not, but I don't mind it too much. Before this mod, my boost would peak and valley from 10-15 lbs boost, and this would occur mainly when going up hills on longer pulls. It bothered me really bad, and it was very obvious, I have a defi boost gauge and I just stared at it everytime. Anyways, my mind is in the long term with my car, but I wouldn't mind a newer TD04 for the meantime. Especially since I will be in school and really busy for a while, I can't afford the tickets, nor the insurance ^, let alone the mods to my car
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Old 04-05-2010, 10:05 PM   #11
Audiosavvy
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LT1 Formula Firebird

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Quote:
Originally Posted by solidace46 View Post
I don't think my turbo is in the greatest condition, I mean I know its not, but I don't mind it too much. Before this mod, my boost would peak and valley from 10-15 lbs boost, and this would occur mainly when going up hills on longer pulls. It bothered me really bad, and it was very obvious, I have a defi boost gauge and I just stared at it everytime. Anyways, my mind is in the long term with my car, but I wouldn't mind a newer TD04 for the meantime. Especially since I will be in school and really busy for a while, I can't afford the tickets, nor the insurance ^, let alone the mods to my car

Look on the bright side- you make good torque, but not so quickly that it's putting as much stress on the gears.

And TD04s are a dime a dozen, shouldn't be too expensive if you did decide to replace it. HOWEVER, I'd get another tune because it's not just a straight swap if your current turbo really does have problems, because your current tune is taking those problems into account.
Essentially, if your turbo ain't right, your tune is not for a standard good-order TD04.
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Old 04-05-2010, 10:37 PM   #12
solidace46
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Yeah I understand that, they tune to the current conditions. I understand that mods need tunes, thats why I don't mind spending $150 to ensure I don't mess my car up. But yeah, less stress on the gears, pro. Low price to replace stock, for sure! Maybe even give me time for a TD04 19T. I want to experience the subaru modifications in stages. and learn as much as I can throughout the process, spending as much time as possible building my way up. Anyways, thanks for the input. good talk. I'll get that pic up...eh maybe tomorrow instead?
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Old 04-06-2010, 10:11 AM   #13
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Then:JRTuned fastest td04

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I don't think I would worry whether the turbo is on its way out by looking at a graph of what is probably a 3rd gear dyno pull, on low boost, with stock BCS and brand new uncoated/non-wrapped headers. Those things usually conspire to show some seriously late spool on the dyno and the top end still looks strong. Get the headers nice and hot and pull a log on the street.

Quote:
Originally Posted by Audiosavvy View Post
Peak torque, for me at Stage 2, was somewhere around 3k, with peak boost being near 2500.
On a stock 205? What gear? Do you have a log of that posted somewhere?
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Old 04-06-2010, 02:43 PM   #14
Audiosavvy
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LT1 Formula Firebird

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Quote:
Originally Posted by OppositeLock View Post
On a stock 205? What gear? Do you have a log of that posted somewhere?
I don't have the logs, my tuner does. I just have maps. Lots and lots of maps

I was seeing full boost (21.5 psi technically) at just over 2500 RPMs though in 4th/5th, and around 2700 in 3rd, so by logic I figure that peak torque followed closely behind.

That was a stock EJ205 (67k miles) with an uppipe/TBE/GM BCS/professional road-tune, on California 91 octane at 0-400ft elevation. I never did get it dynoed, sorry.
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Old 04-06-2010, 04:39 PM   #15
solidace46
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Join Date: Apr 2009
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Location: Gresham, OR
Vehicle:
2002 WRX
Silver

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Opposite Lock: Firstly, Nice Numbers. Also, does the wrap really make that much of a difference? From what I have heard from a few people, my tuner included, that they are more of a hassle and its just not worth the bang for the buck. I actually asked him where I could pick some up, because I like to do things the right way, once. Anyways, what kind of EGT's are you lookin at?
I'm pretty sure it was a 3rd Gear pull. well, whatever gear the car needs to be in to be doing 40 at about 3000 rpms..lol I know because I ask a lot of questions.
I told him to set my boost at 16 psi, so I'm not sure what you consider low boost?
Audiosavvy: I would also like to see the log of the information you speak of , not because I don't believe you, I would just like to see the mod list on this stock 205
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Old 04-06-2010, 04:40 PM   #16
solidace46
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oops, sorry i had the computer sitting for a while...my bad haha
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Old 04-06-2010, 04:44 PM   #17
bfedorov14
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EWG

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impressive for a td04 NICE!
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