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Old 01-24-2013, 11:07 AM   #1
tazswing
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Member#: 63767
Join Date: Jun 2004
Chapter/Region: NWIC
Location: PDX
Vehicle:
2009 OXT 5-spd
2011 STi hatch

Default 2009 Outback XT, VF52, EWG

Nothing to brag about per say, but I am very happy with the outcome of this project and can now leave well enough alone and focus on the STi..until I break something that is (). Thank you, as always, to the great crew at Surgeline for another fantastic job and stellar communication along the way.


Event: dyno pull/tune
Location: COBB, Surgeline Tuning, Smoothness by Lance!
Ambient Temp: Likely about 55 in the dyno chamber
Elevation: ~400ft
Weather: Not all that relevant, the dyno is inside. Cloudy, cool, damp.
Tires: Hankook Ice Bears, 215/55-17.

Car: 2009 Outback XT
Dyno: Mustang
Transmission: Stock 5-spd
Gear: 3rd
Peak HP: 294 (not corrected)
Peak Torque: 319
Baseline hp/tq: Stock 2012 STi, ~250/250 (I need to check this).
Target Boost: 17.5
AFR: 11.6 average
Fuel: Oregon 92 octane

Engine/Power Modifications: OEM intake/box, AVO panel filter, Perrin turbo inlet, VF52, Perrin TMIC, ID1000, Walbro 255, OEM exhaust manifold (GS PnP), COBB tuning UP/DP (coated) with custom re-routed EWG (44), stock cat-back, light main crank pulley, GS EBCS.

Other Stuff: King springs, KYB struts with higher dampening, 1/2" strut-top risers, H6 rear brake upgrade, slotted roters x4, SS lines, re-clocked MS to stop TMIC rattle, small riser between turbo and TMIC to clear slave cyl. (basically the Perrin TMIC does not fit this car), 3mm spacer for snow tire set-up (07' WRX wheels), COBB shifter bushings F/R.

The car is extremely derivable and compliant. Lance had access to an additional map that was not available when the car was first tuned which directly affects throttle mapping. I can now rev-match easily since a blip on the throttle actually translates into said command in the engine.


Cheers!
-Taz

Boost plotted:


AFR plotted:




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Last edited by tazswing; 01-24-2013 at 12:59 PM. Reason: year of car in title
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Old 01-24-2013, 12:08 PM   #2
toph
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Pics of said OBXT!!! Nice numbers, can't be mad at that on a DD.
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Old 01-24-2013, 12:18 PM   #3
NucleonQ8
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Target AFR is 15.2!
Isn't that a bit too high?
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Old 01-24-2013, 12:27 PM   #4
tazswing
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Quote:
Originally Posted by toph View Post
Pics of said OBXT!!! Nice numbers, can't be mad at that on a DD.
I would agree. For a non-speed oriented application, those numbers are wonderful.

I wish I still had the photo of the forklift and Lowe's loading a pallet of flooring tile into the back.

Better photos when I get home.
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Old 01-24-2013, 12:56 PM   #5
tazswing
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Quote:
Originally Posted by NucleonQ8 View Post
Target AFR is 15.2!
Isn't that a bit too high?
Good call. Not sure if that was the "target" that is just the max off the dyno printout. 11.6 is the average, poor reporting on my part.
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Old 01-24-2013, 09:26 PM   #6
424wrx
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thats pretty badass! what a sleeper. vf52s are nice! i upgraded to a vf52 in my 08 wrx a few years back. what a difference over the instant boost td04. nice numbers too!!
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Old 01-25-2013, 11:01 AM   #7
tazswing
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Quote:
Originally Posted by 424wrx View Post
thats pretty badass! what a sleeper. vf52s are nice! i upgraded to a vf52 in my 08 wrx a few years back. what a difference over the instant boost td04. nice numbers too!!
Nice work doing that upgrade on your 08'. What the heck they were thinking in 08' I don't know. I am very fond of the VF-52, esp. for a very heavily daily driven car. Moreover, this Outback see many trips loaded with people and gear. The kind of load that generates, esp. maintaining speed over passes, really does not warrant any larger a turbo unless I want to start building other parts of the car. Call me conservative.

There is a guy in TX with an 05' OXT running gobs of power, and think he did a 6-spd swap?

Also, with the re-route EWG, it is about as loud as a short ram. Totally worth the cost.
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Old 01-25-2013, 03:15 PM   #8
FCmaniac
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gotta love OBXT's... the ultimate sleeper
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Old 01-25-2013, 05:13 PM   #9
Gex
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Great numbers. I am running a similar setup and will be putting a 38mm vband external wastegate uppipe with dump tube in next week due to some boost creep I am experiencing. Do you have a picture of your wastegate set up? Something tells me I will have problems clearing the cat on my CNT downpipe.
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Old 01-25-2013, 06:05 PM   #10
tazswing
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Quote:
Originally Posted by Gex View Post
Great numbers. I am running a similar setup and will be putting a 38mm vband external wastegate uppipe with dump tube in next week due to some boost creep I am experiencing. Do you have a picture of your wastegate set up? Something tells me I will have problems clearing the cat on my CNT downpipe.
That has been my impression of the EWG, esp. re-routed, with the high-up cats. The main reason I changed to the COBB down pipe before doing this all was b/c of the lower cat.

This is a photo of the same set-up on my STi (COBB UP/DP and 44mm EWG). I can take a similar photo of the Outback. Is this what you had in mind for a shot?

Also, i had boost creep as well with the bell mouth COBB which precipitated the EWG.

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Old 01-25-2013, 06:59 PM   #11
Gex
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Yeah that looks pretty tight. Should be interesting come install day. Might just chuck the cnt piece and order a pipe with a lower cat. Never did care for the fitment on the cnt.
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Old 02-17-2013, 08:52 AM   #12
bluemk3
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Quote:
Originally Posted by NucleonQ8 View Post
Target AFR is 15.2!
Isn't that a bit too high?
Where did you see that at?????
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Old 02-17-2013, 12:16 PM   #13
rjrutzky
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Quote:
Originally Posted by bluemk3 View Post
Where did you see that at?????
and boost is only 11!!!111111
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Old 02-18-2013, 09:11 AM   #14
NoGraffix
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I think your targeted AFR's are more around 11-11.2 which is right where they should be. If you were targeting 11.6 on pump gas you would be fairly prone to knock events. The chart looks great for a VF52, this must really be a fun grocery getter.
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Old 02-18-2013, 10:59 AM   #15
tazswing
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Quote:
Originally Posted by NoGraffix View Post
I think your targeted AFR's are more around 11-11.2 which is right where they should be. If you were targeting 11.6 on pump gas you would be fairly prone to knock events. The chart looks great for a VF52, this must really be a fun grocery getter.
Indeed!

Sorry if my reporting of numbers suck. Obviously you can see the limit of 'tuning mind.'

I just took the car to central OR which meant heading over a small pass via Mt. Hood (like 4000ft+) with 4 people and gear in the car. The car performed great keeping it in the lower boost map. Easing throttle but not being afraid to spool it up everything was very smooth. Never a need for WOT, which I would not want to do since that is tons of load.
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Old 05-13-2013, 01:41 PM   #16
tazswing
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Default real world feedback

It has been a little while now with the current set-up and I wanted to share some observations:

1) The re-routed EWG is very quiet. My wife drives the car most days and has not said a word. There have been no comments from people riding in the car, either. See two below, and the above comments still stand.

2) The tune is fantastic. I took the Outback out to McKenzie Pass for some biking this weekend. Four guys, two bikes up-top, two on the hitch and all our gear and camping stuff. Making load is easy, so it was "S" mode only. By really squeezing the accelerator I could get the car to respond well with power and with good smoothness. The car never felt lacking in the go department including passing. There was no noticeable funny business from the EWG, etc. in modulating power and hence boost as we climbed.

3) The power and tune in conjunction with the changes made to brakes and suspension make the Outback incredibly fun and functional. Even on long road trips there is usually a discussion about who gets to drive...b/c everyone wants to.

4) An LGT was recently tuned on the same dyno with very similar mods and made nearly identical power. Nice to see the consistency:

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Old 05-14-2013, 11:52 AM   #17
dhunckyn
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that's awesome... now go beat up on some Mustangs
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Old 05-14-2013, 01:43 PM   #18
Kastley85891
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Needs an 05STI

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Thats my ideal Family 'please all' vehicle,nice work
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Old 07-09-2013, 03:45 PM   #19
dhahn1012
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I have a 05 obxt, with forged internals, and a blouch 20g-xt..etc, etc, but Im looking for a EWG setup as well, what did you choose for a upipe for the setup? I was looking at gtspec maybe. still kinda browsing on options and what I feel like, would also be dumped, not plumbed back in. thanks, derek
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Old 07-10-2013, 10:25 AM   #20
tazswing
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Quote:
Originally Posted by dhahn1012 View Post
I have a 05 obxt, with forged internals, and a blouch 20g-xt..etc, etc, but Im looking for a EWG setup as well, what did you choose for a upipe for the setup? I was looking at gtspec maybe. still kinda browsing on options and what I feel like, would also be dumped, not plumbed back in. thanks, derek
I went with the COBB set-up. I re-routed b/c my wife drives that car more than I do and with it re-routed it is no louder than a short-ram. I also don't believe that in my heavy OXT with a vf-52 I would actually notice any power difference between the duped vs. re-routed EWG.

What pushed me to go with an EWG was simply boost control.

Sounds like you got a nice set-up there! You running Outback ride height or did you drop it?
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