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Old 03-12-2010, 01:11 PM   #1
Equilibrium Tuning
NASIOC Vendor
 
Member#: 26933
Join Date: Oct 2002
Chapter/Region: BAIC
Location: Fairfield, CA
Vehicle:
2006 STI
CGM

Default EQ Tuning: 04 WRX, EQ Built Engine, ATP3076, 91 Octane - 352whp!

This is an 04 WRX that we built a while ago. The customer got the break-in done but we couldn't make any decent power on the setup. Upon further inspection, we found that his cat-back had a couple custom crush bent pieces that were causing a major restriction at anything over 300whp. The customer finally swapped it out to a MadDad whisper cat-back which really opened things up. This car is still on the stock 5 speed, so we kept boost and torque down a bit to try to keep the tranny alive until the customer can get the 6 speed in

Event: Custom Tune/Road Dyno
Location: Equilibrium Tuning - Fairfield, CA
Ambient Temp: 58 degrees Fahrenheit
Elevation: ~180ft above sea level

Car: 2004 Subaru WRX Sedan
Tuner: ED @ Equilibrium Tuning
Peak HP at RPM: 352whp @ 5820RPM
Peak Torque at RPM: 348ft-lbs @ 4700RPM
Target Boost: 19psi peak
Fuel: California 91 Octane
Engine/Power Modifications:

- EQ S1 Shortblock
- EQ S2 Heads w/ BC 272 cams
- SSAC FMIC w/ EQ Blow-Through MAF
- ATP Stock Location GT3076 (IWG)
- DW850cc Injectors
- Perrin Downpipe
- MadDad Cat-Back
- Walbro Fuel Pump
- Hallman Pro RX MBC
- EQ Tuning Custom Tune



Here's the chart:




*** 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 - 122-123mph traps


Thanks
-- Ed
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Old 03-12-2010, 10:36 PM   #2
subenerd
Scooby Specialist
 
Member#: 72630
Join Date: Oct 2004
Location: CA
Vehicle:
2004 STi

Default

Awesome, I've been wanting to see how the iwg version of this turbo would perform. Powerband looks good, 300ftlbs before 4k rpms and the hp keeps going.

Ed, what is the power difference on these ATP between the iwg and ewg versions? 10, 15whp?
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Old 03-17-2010, 11:59 AM   #3
Equilibrium Tuning
NASIOC Vendor
 
Member#: 26933
Join Date: Oct 2002
Chapter/Region: BAIC
Location: Fairfield, CA
Vehicle:
2006 STI
CGM

Default

Quote:
Originally Posted by subenerd View Post
Awesome, I've been wanting to see how the iwg version of this turbo would perform. Powerband looks good, 300ftlbs before 4k rpms and the hp keeps going.

Ed, what is the power difference on these ATP between the iwg and ewg versions? 10, 15whp?
Yep this is a very nice turbo. Also remember that this car doesn't have AVCS and has aftermarket cams that generally inhibit spool a bit. I would imagine this turbo to spool a bit quicker on an STI. Its also absolutely begging for more octane!

I honestly can't say what the power difference would be with EWG. So far all the cars I've worked with with these turbos have had very different setups, so its tough to pin point the actual gains or losses from the EWG/IWG.

Thanks
-- Ed
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Old 03-17-2010, 02:20 PM   #4
rasheedn
Scooby Newbie
 
Member#: 123333
Join Date: Aug 2006
Chapter/Region: International
Location: Jerusalem
Vehicle:
2009 STi
DMG

Default

is this a 2.0 or 2.5 ?

the chart looks like a 2.5

tell him to add meth and turn some boost
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Old 03-17-2010, 02:24 PM   #5
Equilibrium Tuning
NASIOC Vendor
 
Member#: 26933
Join Date: Oct 2002
Chapter/Region: BAIC
Location: Fairfield, CA
Vehicle:
2006 STI
CGM

Default

Its a built EJ257 shortblock with EJ205 heads.

Yep, the turbo could really use some more octane, but the customer is taking care of the tranny first.

Thanks
-- Ed
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