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Old 10-09-2009, 08:47 PM   #1
Equilibrium Tuning
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Member#: 26933
Join Date: Oct 2002
Chapter/Region: BAIC
Location: Fairfield, CA
Vehicle:
2006 STI
CGM

Default EQ Stage 1 Shortblock, EQ Stage 2 Heads, VF39 + 91 Octane = 279whp/333ft-lbs!

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

Car: 2005 Subaru STi
Tuner: ED @ EQ Tuning
Peak HP at RPM: 279whp
Peak Torque at RPM: 333ft-lbs
Target Boost: 19psi peak
Fuel: California 91 Octane
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

- RPS Max Series Street Clutch

- Stock VF39, Stock Inlet, Stock Intake Box, etc

- EQ Tuning Custom Tune using Cobb AP V2



This is a really simple setup on one of our nice built engines and performed extremely well for the simple setup. It took tons of timing with no hint of knock and made ridiculous torque for the fuel and boost levels. This is the first time we ran one of our built blocks and heads on a stock turbo, and its really nice to see the head work doing its job. This is one of the smoothest driving STI's I've ever tuned!



*** 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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Last edited by Equilibrium Tuning; 01-15-2010 at 08:01 PM.
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Old 10-09-2009, 09:20 PM   #2
nation1979
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i cant wait for the stage 1 block/stage 2 heads on my setup.maybe throw in a little E85 for good measure
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Old 10-10-2009, 04:51 AM   #3
achavez
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wrx obp needs a e85 tune

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great numbers. EQ ftw!
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Old 10-10-2009, 01:05 PM   #4
renosubby
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2006 STI 10.8@ 129
www.Mayhemtuning.com

Default

WOW..Ed that's crazy power for 91 oct... I am still trying to get there. hopefully the student can get some where near the master.
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Old 10-10-2009, 03:51 PM   #5
BUILTSTI
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FPRED PUMPGAS 93oct

Default

Good stuff for 91..

I believe it
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Old 10-10-2009, 04:15 PM   #6
verc
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gt35r, 2.5L, meth

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that's a good graph - really hammers home the point: all that matters in the end is the airflow restrictions at a given rpm. Lots of torque early on from letting the turbo flow everything it can, with limiting factor being turbo and cams up top...
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Old 10-11-2009, 03:01 PM   #7
subenerd
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This is the kind of engine build I would want if my motor were to fail... (*crosses fingers*).

Ed, how much more power do you think this setup would yield with a stock location 3071 (and injectors/IC)?

Great job as always.
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Old 10-11-2009, 04:06 PM   #8
pooster.online
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does the additional headwork add any extra power as opposed to a stock head on the vf39 turbo?
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Old 10-11-2009, 05:01 PM   #9
renosubby
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www.Mayhemtuning.com

Default

Quote:
Originally Posted by subenerd View Post
This is the kind of engine build I would want if my motor were to fail... (*crosses fingers*).

Ed, how much more power do you think this setup would yield with a stock location 3071 (and injectors/IC)?

Great job as always.
I would say around 330-350whp on eds dyno!
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Old 10-11-2009, 05:32 PM   #10
verc
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03 wrx
gt35r, 2.5L, meth

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Quote:
Originally Posted by renosubby View Post
I would say around 330-350whp on eds dyno!
Well Ed's done a few 3071s that did something like 310-320whp, not quite a Green but better response. I'd guess a 3071 car with just headwork but no cams would do similar HP, but hit that peak earllier and have more torque down low.

You can see on this vf39 graph that peak hp and the top end is not any better than with stock heads, but the lowend is much freed up. It's all down to what the major airflow restriction is at a given rpm.
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Old 10-11-2009, 05:52 PM   #11
renosubby
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2006 STI 10.8@ 129
www.Mayhemtuning.com

Default

only reason I state this is cause on a 20g I made 322 on his dyno at 4500 ft elevation!

old but yea
had wiring issues so graph isn't to ed's liking either.LOL

Last edited by renosubby; 10-11-2009 at 06:05 PM.
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Old 10-11-2009, 11:16 PM   #12
downsti
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11.7@113mph-115.6mph VF39

Default

bad ass work once again ED,

and congrats to the owner for the new found power,
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Old 10-12-2009, 11:49 AM   #13
Equilibrium Tuning
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Location: Fairfield, CA
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2006 STI
CGM

Default

Quote:
Originally Posted by subenerd View Post
This is the kind of engine build I would want if my motor were to fail... (*crosses fingers*).

Ed, how much more power do you think this setup would yield with a stock location 3071 (and injectors/IC)?

Great job as always.

With a good setup, the 3071 is capable of about 320-325whp on 91 Octane. The 3076 can do about 340-345whp. Good cams can add about 15-20whp on pump as well.

Thanks
-- Ed
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Old 10-12-2009, 11:51 AM   #14
Equilibrium Tuning
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Member#: 26933
Join Date: Oct 2002
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Location: Fairfield, CA
Vehicle:
2006 STI
CGM

Default

Quote:
Originally Posted by pooster.online View Post
does the additional headwork add any extra power as opposed to a stock head on the vf39 turbo?
This car did make very good power and held it very well considering its running a stock inlet and intake. I can't say that this is 100% attributed to the head work, but I do believe it helps to fill out the powerband and smooth the car out all around. With a larger setup, you'll find bigger gains from the head work.

This customer is planning on going bigger later... this was just the first step.

Thanks
-- Ed
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Old 10-12-2009, 01:42 PM   #15
Scooby921
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Please update the 1st post to reflect the newly required format as noted here:
http://forums.nasioc.com/forums/show....php?t=1858764
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Old 10-12-2009, 01:59 PM   #16
STi Mikey
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13' Benz, 15' WRX

Default

Quote:
Originally Posted by Vaus View Post
This car did make very good power and held it very well considering its running a stock inlet and intake. I can't say that this is 100% attributed to the head work, but I do believe it helps to fill out the powerband and smooth the car out all around. With a larger setup, you'll find bigger gains from the head work.

This customer is planning on going bigger later... this was just the first step.

Thanks
-- Ed
Headwork will help a vf39 set up on pump gas. With 272's, an sti was able to pick up 12 whp and 30ft lbs with no porting.

However, if the owner plans on doing a race gas tune before going bigger, you will still hit that 340ish whp wall.
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Old 01-15-2010, 08:02 PM   #17
Equilibrium Tuning
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Join Date: Oct 2002
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Location: Fairfield, CA
Vehicle:
2006 STI
CGM

Default

Quote:
Originally Posted by Scooby921 View Post
Please update the 1st post to reflect the newly required format as noted here:
http://forums.nasioc.com/forums/show....php?t=1858764
updated!
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