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Old 02-23-2012, 07:33 PM   #1
Equilibrium Tuning
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Join Date: Oct 2002
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Location: Fairfield, CA
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2006 STI
CGM

Default EQ - 06 STI, 20G - Aggressive 91 Octane Tune - 350whp/380ft-lbs!

It's always fun when a customer comes in and tells me to push the setup to the limits and beyond without caring about engine longevity. After discussing the risks and plans, this customer asked me to push 24psi on this setup. The stock engine has nearly 100k miles on it with the last ~30k running this setup at about 20psi. It was still running strong but he is planning on building it soon anyway so he wanted to see what was possible with a very aggressive tune on California 91 Octane. We went ahead with the tune and the results are pretty awesome.

Event: Custom Tune/Dyno
Location: Equilibrium Tuning - Fairfield, CA
Ambient Temp: 70 degrees Fahrenheit
Elevation: ~100ft above sea level

Car: 2006 Subaru STI
Tuner: ED @ Equilibrium Tuning
Peak HP at RPM: 350whp @ 5900RPM
Peak Torque at RPM: 380ft-lbs @ 4500RPM
Target Boost: 24psi peak tapering to 20psi
Fuel: Cali 91 Octane

Engine/Power Modifications:

Catless TBE
EL Headers
KSTech 73mm Intake
TMIC
Five-O 850cc Injectors
EWG
Hallman MBC
Custom Tune







*** Standard Dyno Chart Disclaimer ***

This dyno reads low and should be compared to the lower reading mustang dynos. Here are some proven numbers and trap speeds for reference:

Stock 02-05 WRX - 155-165whp
Stock 04-07 STI - 210-220whp
Stock 08-11 STI - 195-205whp

265-275whp - 107-108mph traps
300-310whp - 112-113mph traps
325-335whp - 115-116mph traps

Thanks
-- Ed
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Old 02-23-2012, 08:28 PM   #2
hunteragp
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Those are great numbers for that setup and 91 Oct. Your customer doesn't want to run meth? I hope the engine lasts...
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Old 02-23-2012, 08:29 PM   #3
Phatron
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he realizes that blowing the motor could possibly cost him thousands and thousands more than if he were to build it right now?
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Old 02-23-2012, 08:50 PM   #4
Equilibrium Tuning
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Default

Quote:
Originally Posted by Phatron View Post
he realizes that blowing the motor could possibly cost him thousands and thousands more than if he were to build it right now?
It won't cost that much more. He's already planning on using a new case and crank so no added cost as long as the heads don't take a beating. You know with the stock motor all that really happens are cracked ringlands which generally don't cause any other real harm.

-- Ed
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Old 02-23-2012, 08:51 PM   #5
Equilibrium Tuning
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Quote:
Originally Posted by hunteragp View Post
Those are great numbers for that setup and 91 Oct. Your customer doesn't want to run meth? I hope the engine lasts...
Yep... its a good experiment to see how long it can hold up like this.

-- Ed
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Old 02-23-2012, 08:59 PM   #6
Phatron
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send him to the track i wanna see some 118mph traps on a 91 oct 20g!
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Old 02-23-2012, 09:09 PM   #7
07pearlwht
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Which 20g is this?
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Old 02-24-2012, 12:05 AM   #8
hunteragp
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Quote:
Originally Posted by Equilibrium Tuning

Yep... its a good experiment to see how long it can hold up like this.

-- Ed
I'm very interested in this. Please update us on the status of that engine if something happens. I would like to see how many miles it lasts! Also I would love to see what that beast does at the track! Is that a Blouch 20g?
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Old 02-24-2012, 12:56 AM   #9
flycaster
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Quote:
Originally Posted by Phatron View Post
...on a 91 oct 20g!
Good numbers on Cali 91!
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Old 02-24-2012, 12:57 AM   #10
Eisenbergs blue boo
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What's the afr looking like
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Old 02-24-2012, 05:02 PM   #11
Equilibrium Tuning
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Quote:
Originally Posted by Eisenbergs blue boo View Post
What's the afr looking like
10.9-11:1

A bit leaner than I normally tune, but I kept timing pretty relaxed.

Car has been running for about 2 weeks now

-- Ed
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Old 02-24-2012, 08:08 PM   #12
Boostises
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I'll be visiting you guys soon. But I want mine to last
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Old 02-24-2012, 08:46 PM   #13
ArSoN9
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Wow great numbers Ed, Id like to see the timing tables to see how much ur holding out till redline..and how quick did you see the boost taper down to 20psi? It looks like it dropped out pretty quick, what TMIC did the customer have on?

What will go first @ 24psi and 100k+ miles, Turbo or motor?
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Old 02-24-2012, 09:06 PM   #14
Kastley85891
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Needs an 05STI

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Great result on piss water, must have a really smart timing curve to hold that boost initially, clever tuning, bet it rips
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Old 02-24-2012, 11:55 PM   #15
karmasi16
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20G's are great.. I hear the Synergy turbo 20g-8cm turbos make that type of power off pump gas.
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Old 02-25-2012, 12:55 AM   #16
ArSoN9
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Is this on a 20g turbo? I must have missed that post I thought this was a aggressive stock turbo tune
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Old 02-25-2012, 01:18 AM   #17
Phatron
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Read title of thread
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Old 02-27-2012, 02:44 AM   #18
SoCal_Scooby
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how much power was it making off the first 20psi tune?
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Old 02-27-2012, 02:12 PM   #19
Equilibrium Tuning
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Quote:
Originally Posted by SoCal_Scooby View Post
how much power was it making off the first 20psi tune?
About 325whp/330ft-lbs.

-- Ed
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Old 02-27-2012, 02:12 PM   #20
Equilibrium Tuning
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Default

Quote:
Originally Posted by ArSoN9 View Post
Is this on a 20g turbo? I must have missed that post I thought this was a aggressive stock turbo tune
You could only get these kinds of numbers out of the stock turbo on E85 on our dyno.

-- Ed
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Old 02-27-2012, 10:19 PM   #21
ArSoN9
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Yeah sorry need to read the title much more closely...I knew something wasnt right when I asked the first time
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Old 04-08-2012, 07:04 PM   #22
Evo_Kid
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04 WW EVO 8 RS

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Any updates? Has this thing gone to the track yet?
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Old 04-08-2012, 09:53 PM   #23
Equilibrium Tuning
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Quote:
Originally Posted by Evo_Kid View Post
Any updates? Has this thing gone to the track yet?
No I heard he crashes it and broke a wheel and some suspension. Getting repaired now. The motor is still running though .

-- Ed
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Old 01-28-2013, 11:39 PM   #24
subysportSTI
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Quote:
Originally Posted by Equilibrium Tuning View Post
No I heard he crashes it and broke a wheel and some suspension. Getting repaired now. The motor is still running though .

-- Ed
Ed,

Any updates? Hope this guy had better luck than me lol. A few years ago i installed a 35r/supporting mods on my 06 sti(stock longblock). Drove to CO on a limo map and dynoed 425/380 on 91. About a month later piston #3 exploded; broke through the cylinder wall, bent valves and chunks of piston in the turbo. Look me up in ppb to see pics of the carnage.

Its back up and running now with a donor motor and a 20g. Can you do an open source tune via email? Thanks
Paul
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Old 01-28-2013, 11:49 PM   #25
achavez
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wrx obp needs a e85 tune

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Op sold the car last year shortly after. Last word on the forums its still running strong with new owner; as of a few months ago
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