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Old 09-06-2017, 02:24 PM   #1
OB2
Scooby Newbie
 
Member#: 51500
Join Date: Dec 2003
Vehicle:
1999 impreza rs-t
sylver

Default GC8 3.6L H6 turbo

Facilité: Team Backyard Builder, Lachute Performance
Dyno Type: MaHa LPS 3000 (realy conservative Dyno)
99 GC8 Impreza 2.5RS (168 000km)
Stock EZ36D H6 engine (13 000km)
Boost: GTX3076r ar.63 (set at 7psi)Voiture: USDM 2004 STi avec 7 000 milles
Carburant: 93 oct.
Peak HP à RPM: 329whp @ 6,400rpm
Peak Torque à RPM: 398wtq à 5,000 tr / min

Mods:

Garette GTX3076R ar.63 turbo
Link ECU G4+ Extrem
Lachute Performance Turboback Catless, Y-Pipe and Up-Pipe
Raptor Headers
DeatschWerks 660cc Injecteurs STi
Gready/Lachute Performance Front Mount Intercooler
Tial 44mm External Wastegate
Walbro 255 Fuel Pump
K&N Cone Filter


All the info Dyno Graph, and Build info and story on that facebook page:

https://www.facebook.com/Impreza-GC8...142/?ref=br_rs



















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Last edited by OB2; 09-06-2017 at 11:29 PM.
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Old 09-06-2017, 06:02 PM   #2
VladiWrX
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Member#: 145658
Join Date: Apr 2007
Location: NorCal
Vehicle:
On my 5th scoob
and lovin it

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sounds like it's really cool, too bad some of us don't use that stupid site and won't ever see the pictures
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Old 09-06-2017, 10:09 PM   #3
OB2
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Member#: 51500
Join Date: Dec 2003
Vehicle:
1999 impreza rs-t
sylver

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Some pics for you
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Old 09-06-2017, 10:57 PM   #4
subaru_gc8
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Member#: 29292
Join Date: Nov 2002
Chapter/Region: SCIC
Location: Orange County CA
Vehicle:
2004 WRX wagon
silver

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wow that an awesome build,doesn't look that tight to put in
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Old 09-06-2017, 11:14 PM   #5
ThinWRX
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Member#: 401876
Join Date: Sep 2014
Chapter/Region: MWSOC
Location: MO
Vehicle:
2008 WRX
Satin White Pearl

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What a sick build man. Let us know how the EZ36 holds up with the lower boost numbers.
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Old 09-06-2017, 11:29 PM   #6
OB2
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Member#: 51500
Join Date: Dec 2003
Vehicle:
1999 impreza rs-t
sylver

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Quote:
Originally Posted by subaru_gc8 View Post
wow that an awesome build,doesn't look that tight to put in
Look the storie in the facebook page, you will see, it is really tight and give us alot of trouble!!!
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Old 09-07-2017, 12:17 AM   #7
VladiWrX
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Member#: 145658
Join Date: Apr 2007
Location: NorCal
Vehicle:
On my 5th scoob
and lovin it

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That is VERY nice, kudos to you sir
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Old 09-07-2017, 07:18 AM   #8
CEEBEE
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Member#: 420458
Join Date: May 2015
Location: Australia
Vehicle:
07 WRX STI
Urban Grey

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Wicked!
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Old 09-07-2017, 09:09 PM   #9
grandchrist
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Member#: 335037
Join Date: Oct 2012
Chapter/Region: E. Canada
Location: quebec, canada (speak french)
Vehicle:
1999 rs
white

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Vraiment beau ton setup
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Old 09-07-2017, 11:34 PM   #10
BHOD
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Member#: 463264
Join Date: Feb 2017
Location: Québec
Vehicle:
2016 WRX sport, 6MT
crystal BLACK silica

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Quote:
Originally Posted by grandchrist View Post
Vraiment beau ton setup
Beurslak, mezzan!
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Old 09-11-2017, 01:13 PM   #11
Charlie-III
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Member#: 30669
Join Date: Dec 2002
Chapter/Region: Tri-State
Location: USA, North NJ, 07456
Vehicle:
1998 Legacy 2.5GT
Silver Sleeper BK, 5MT

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Tre bon!!

Nice build, my favorite Impreza body style. Tastefully done bodywork. "Almost" too flashy, but based on performance, worthwhile.
Congrats, enjoy!
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Old 09-12-2017, 04:22 AM   #12
Krang
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Member#: 134272
Join Date: Dec 2006
Chapter/Region: HIIC
Location: Kahaluu, Hawaii
Vehicle:
2007 Sti, UGM
Rotated EFR 6758

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Great looking build, are you using the AVCS? Seems like spool is very slow for such a small turbo on a 3.6l? Either way, that sound is worth it. This is my forever DD build someday.
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Old 09-14-2017, 02:46 PM   #13
Zcypot
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Member#: 372777
Join Date: Nov 2013
Chapter/Region: SCIC
Location: Compton, CA
Vehicle:
2014 WRX Sedan Lmtd
WRB

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Has always been a dream build for me, I dont know if part availability has changed, but I hope my WRX ends up with an H6 one day.
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Old 09-14-2017, 03:30 PM   #14
lowbee
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Join Date: Aug 2010
Location: Toronto, Canada
Vehicle:
2011 STi

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How much does that swap cost ? Ball park number please ?
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Old 09-14-2017, 03:34 PM   #15
WRXXXED
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Member#: 432652
Join Date: Oct 2015
Location: Gap, PA
Vehicle:
2010 Subaru WRX STI
61K (Gray)

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Ummm okay so name your price... 😂 wanna trade fpr my fully built 2010 sti hatch, 427 hp 376 tq. And im dead serious
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Old 09-14-2017, 09:32 PM   #16
shake-rattle-n-roll
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Member#: 448186
Join Date: Jun 2016
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Quote:
Originally Posted by OB2 View Post
Look the storie in the facebook page, you will see, it is really tight and give us alot of trouble!!!

Did you give any thought to supercharging? I think their a Raptor kit that works with the 3.6
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Old 09-14-2017, 09:55 PM   #17
Titter
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Member#: 416107
Join Date: Mar 2015
Chapter/Region: International
Location: Ontario, Canada
Vehicle:
2002 WRX Wagon
EJ207 Spec C 4EAT

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all that on pump gas. too bad we dont have E85 up here at the pumps. its only available in shops making it really annoying to use daily.

nice build!
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Old 09-14-2017, 10:13 PM   #18
2slofouru
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Member#: 90539
Join Date: Jul 2005
Chapter/Region: South East
Location: Lake Charles
Vehicle:
My BOV goes
COVFEFE!

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That header is sex, js
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Old 09-14-2017, 11:48 PM   #19
monkeyposeur
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Member#: 333468
Join Date: Sep 2012
Chapter/Region: RMIC
Location: SLC, UT
Vehicle:
1993 SS
03 WRB GD 205/22T 20G-XT

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Awesome build! Looks fantastic!
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Old 10-10-2017, 08:23 PM   #20
some dude
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Member#: 100300
Join Date: Nov 2005
Chapter/Region: MWSOC
Location: MIC|-|IG/\N
Vehicle:
06 WRX
CGM

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Forgive my ignorance I have a question or two..

Why does it make peak torque so late?
I woulda thought it made a large flat torque curve from so much displacement? Is that a general rule, same sized turbo on larger engine vs smaller engine, larger engine makes more torque earlier and hold it longer?
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Old 10-12-2017, 02:24 AM   #21
binny
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Member#: 198108
Join Date: Dec 2008
Location: Australia
Vehicle:
MY98 WRX
Blue

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Quote:
Originally Posted by some dude View Post
Forgive my ignorance I have a question or two..



Why does it make peak torque so late?

I woulda thought it made a large flat torque curve from so much displacement? Is that a general rule, same sized turbo on larger engine vs smaller engine, larger engine makes more torque earlier and hold it longer?

Stock block running a max 7 psi boost (so it doesn't explode I'd guess)

If it was tuned with more boost early in the RPM range it would appear "normal"
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Old Today, 12:46 AM   #22
Harey
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Member#: 270569
Join Date: Jan 2011
Chapter/Region: International
Vehicle:
'15 Foz XT & 02 Foz
EJ207

Default

Quote:
Originally Posted by some dude View Post
Forgive my ignorance I have a question or two..

Why does it make peak torque so late?
I woulda thought it made a large flat torque curve from so much displacement? Is that a general rule, same sized turbo on larger engine vs smaller engine, larger engine makes more torque earlier and hold it longer?
the super long headers wouldnt be good for spool
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