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Old 06-18-2010, 03:18 PM   #1
Equilibrium Tuning
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Default EQ: 2005 STI, EQ Built Block, VF39, E85 - 341whp/420ft-lbs!

Event: Custom Tune/Road Dyno
Location: Equilibrium Tuning - Fairfield, CA
Ambient Temp: 80 degrees Fahrenheit
Elevation: 200ft above sea level
Weather: Sunny

Car: 2005 Subaru STi
Tuner: ED @ EQ Tuning
Peak HP at RPM: 341whp
Peak Torque at RPM: 420ft-lbs
Target Boost: 23psi peak
Fuel: E85
Engine/Power Modifications:


- EQ Tuning Stage 1 Shortblock (CP Pistons, ACL Bearings, Forged STI Rods, Balanced/Polished Forged STI Crank, Balanced & Blueprinted to our strict specs)
- EQ Tuning Stage 2 Heads (5 Angle Valve-Job, Bowl Blend, Stock Cams)
- Invidia Catless DP
- Greddy 3" Catback
- GT Spec UEL Headers
- Hallman MBC
- Walbro Fuel Pump
- K&N Typhoon Intake
- PE 850cc Injectors
- RPS Max Series Street Clutch
- Stock VF39, Stock Inlet, stock TGV's etc
- EQ Tuning Custom Tune using Cobb AP V2



This is a car we built about a year ago. The customer wanted more power, so we put in some 850cc injectors and tuned it on E85. The results were great all around. We didn't have to push the tune too hard to get great power and a very nice, smooth powerband. These E85 VF cars are just soo much fun .



*** Standard Dyno Chart Disclaimer ***

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

Stock WRX - 155-165whp
Stock STI - 215-225whp

265-275whp - 107-108mph traps
300-310whp - 112-113mph traps
325-335whp - 115-116mph traps
380-390whp - 120-121mph traps

*** End Disclaimer ***


Thanks
-- Ed
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Old 06-18-2010, 03:25 PM   #2
PhatBotti Tuning TKR
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Very nice Ed!

Another stock turbo monster FTW!

-Mikey
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Old 06-18-2010, 03:30 PM   #3
anxiouz
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Very nice. E85 is so great.
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Old 06-18-2010, 03:31 PM   #4
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Headwork & built short block still w the stock turbo, I'm sure that's not gonna stay on long.

How is the idle on the cars you guys tune w pe 850's? I'm wondering if its jus certain tuners that have trouble tuning w those

Id switch to dw's if I had another chance
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Old 06-18-2010, 03:39 PM   #5
Equilibrium Tuning
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Quote:
Originally Posted by KB'izzle View Post
Headwork & built short block still w the stock turbo, I'm sure that's not gonna stay on long.

How is the idle on the cars you guys tune w pe 850's? I'm wondering if its jus certain tuners that have trouble tuning w those

Id switch to dw's if I had another chance
I usually get a clean, smooth idle with the PE's. This particular car idles smoother than stock. The only time I have trouble idling on the PE's is with turbulant intake setups. The Perrin blow-through MAF pipe, for instance is very tough to get a good idle out of especially when combined with PE injectors.

-- Ed
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Old 06-18-2010, 04:59 PM   #6
juanmedina
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there is something wrong with this car , it doesn't hold power all the way to redline

Godd job Ed
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Old 06-18-2010, 05:29 PM   #7
Equilibrium Tuning
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Quote:
Originally Posted by juanmedina View Post
there is something wrong with this car , it doesn't hold power all the way to redline

Godd job Ed
.. must be the software!

Seriously though, I think the stock inlet and TGV's are holding it back a bit up top. The cars with a full inlet/intake and TGV deletes usually hold power just fine to redline.

-- Ed
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Old 06-18-2010, 05:47 PM   #8
renosubby
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Quote:
Originally Posted by Equilibrium Tuning View Post
.. must be the software!

Seriously though, I think the stock inlet and TGV's are holding it back a bit up top. The cars with a full inlet/intake and TGV deletes usually hold power just fine to redline.

-- Ed
So wait he built the motor and decide not to do TGV's while the intake manifold was off
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Old 06-18-2010, 06:21 PM   #9
Equilibrium Tuning
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Quote:
Originally Posted by renosubby View Post
So wait he built the motor and decide not to do TGV's while the intake manifold was off
Yep.. wasn't planning on anything big at all. Plans change

-- Ed
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Old 06-18-2010, 06:37 PM   #10
renosubby
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Quote:
Originally Posted by Equilibrium Tuning View Post
Yep.. wasn't planning on anything big at all. Plans change

-- Ed
I agree....
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Old 11-30-2010, 11:05 AM   #11
Sil80sx
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This is exactly what I want!!.....

But it sucks because I even made a thread about little **** I should do when the motor is out and no one mentioned TGV delete
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Old 11-30-2010, 04:56 PM   #12
Phatron
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^^ u dont have to have the motor out to do tgv deletes.....
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Old 11-30-2010, 05:02 PM   #13
Sil80sx
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Quote:
Originally Posted by Phatron View Post
^^ u dont have to have the motor out to do tgv deletes.....
Yeah I know it just would've been more convenient you know?

Btw what duty cycle are those 850s running at?
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Old 11-30-2010, 05:47 PM   #14
Equilibrium Tuning
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around 95%

-- Ed
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Old 12-02-2010, 06:17 PM   #15
importfanatic17
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Nice work Ed.

Glad to see more people believing big power out of stock turbos these days
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Old 12-14-2010, 03:53 PM   #16
Sil80sx
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Im very tempted to drive up to you Ed! This is exactly what I want. Also how is it that the graph is so smooth even though the car still has tgvs?? Also what did the boost taper down to?
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Old 12-14-2010, 04:23 PM   #17
Phatron
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Quote:
Originally Posted by Sil80sx View Post
Also what did the boost taper down to?
im guessing 13.5psi
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Old 12-15-2010, 02:30 PM   #18
Equilibrium Tuning
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Quote:
Originally Posted by Phatron View Post
im guessing 13.5psi
About 14psi.

-- Ed
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Old 12-15-2010, 03:08 PM   #19
wil06STI
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Quote:
Originally Posted by Equilibrium Tuning View Post
I usually get a clean, smooth idle with the PE's. This particular car idles smoother than stock. The only time I have trouble idling on the PE's is with turbulant intake setups. The Perrin blow-through MAF pipe, for instance is very tough to get a good idle out of especially when combined with PE injectors.

-- Ed
Do you consider the APS as a turbulent intake?
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Old 12-15-2010, 03:12 PM   #20
Sil80sx
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I have an old verison injen CAI, what do you think of that? And really 14 psi? How is it possible that it makes so much hp off very little psi? I think physics owns me on this one..... and I feel dumb because I know obviously it has to do something with the E85.....

Last edited by Sil80sx; 12-15-2010 at 03:20 PM.
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Old 12-15-2010, 03:35 PM   #21
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Quote:
Originally Posted by Sil80sx View Post
I have an old verison injen CAI, what do you think of that? And really 14 psi? How is it possible that it makes so much hp off very little psi? I think physics owns me on this one..... and I feel dumb because I know obviously it has to do something with the E85.....
14psi is what it tapers down to at redline. It peaks at 23psi.
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Old 12-15-2010, 03:51 PM   #22
Phatron
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Quote:
Originally Posted by Sil80sx View Post
And really 14 psi? How is it possible that it makes so much hp off very little psi? I think physics owns me on this one..... and I feel dumb because I know obviously it has to do something with the E85.....
yes its the e85. without the e85 the car would make ~300whp.

a stage2 sti vf turbo is already maxed past 5000rpm......all the extra power comes from the 3-5hp from every little piece.....then the most important ingredient is octane.
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Old 12-15-2010, 04:23 PM   #23
Equilibrium Tuning
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Quote:
Originally Posted by wil06STI View Post
Do you consider the APS as a turbulent intake?
Its not the smoothest, but not the worst either.

-- Ed
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Old 12-15-2010, 05:50 PM   #24
Sil80sx
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Quote:
Originally Posted by mapleleaf View Post
14psi is what it tapers down to at redline. It peaks at 23psi.
I understand that part, my question referred to the car maxing 320whp at 14psi @ redline. My tune tapers down to like 15psi I think and it only makes 260whp by then....

Quote:
Originally Posted by Phatron View Post
yes its the e85. without the e85 the car would make ~300whp.

a stage2 sti vf turbo is already maxed past 5000rpm......all the extra power comes from the 3-5hp from every little piece.....then the most important ingredient is octane.
Yeah I figured since I was comparing it to mine =)

Quote:
Originally Posted by Equilibrium Tuning View Post
Its not the smoothest, but not the worst either.

-- Ed
What would you consider the best intake for an vf E85 setup which will eventually be going to a future FP red setup?
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Old 12-15-2010, 05:59 PM   #25
Equilibrium Tuning
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Quote:
Originally Posted by Sil80sx View Post
I understand that part, my question referred to the car maxing 320whp at 14psi @ redline. My tune tapers down to like 15psi I think and it only makes 260whp by then....



Yeah I figured since I was comparing it to mine =)



What would you consider the best intake for an vf E85 setup which will eventually be going to a future FP red setup?
The APS CAI isn't bad. Since you'll be going with an FP Red, I'd recommend the 70mm.

-- Ed
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