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Old 03-20-2009, 12:15 AM   #1
slowscooby
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Member#: 69520
Join Date: Aug 2004
Chapter/Region: South East
Location: .../(-.-)\...
Vehicle:
- '05 STi
"White Thunder"

Default Big 20g ~ 402hp & 397 ft/lbs.

I am pretty happy with this setup. I only have a stock EBCS though, so Scott recommended me getting a MBC to even out the boost in 5th in 6th, as right now it's erratic. Tell me whatcha guys think.

Here's my mod list:

Engine:
-FP 20g Td06h 8cm
-APS 525 FMIC
-APS 65mm Intake
-Samco Inlet
-Grimmspeed coated TGV deletes
-No coolant routed through manifold
-8mm phenolic spacers
-Invidia V3 DP, no cat
-HKS Carbon Ti catback
-Forge BPV
-Perrin radiator shroud
-Walbro FP
-PE 850cc injectors
-ACT HD clutch and streetlite flywheel
-Rerouted intercooler sprayer to FMIC
-Scott Siegel tuned to 400hp with AP v2

Dyno was at S&R in Tampa, I think it's called like a "land and sea" dyno or something?






If I do anything else power-wise I would probably upgrade to Grimmspeed manifold ends and crossover pipe, uppipe and a Grimmspeed 3 port EBCS.
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Old 03-20-2009, 12:20 AM   #2
NAZSTI
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2004 STI
PSM

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Nice numbers/setup. what elevation are you at?
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Old 03-20-2009, 02:53 AM   #3
rexworx
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Location: EWG3071KelfordCams276/272
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2.5ltr,PPG,Front LSD,4.44

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Wow nice power for a 20G What kind of fuel was the tuned on?
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Old 03-20-2009, 05:43 AM   #4
kyo126
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ur car looks amazing...i guess is insanely fast huh?
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Old 03-20-2009, 08:41 AM   #5
WagonGGA
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Legacy Spec B/Forester XT

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Nice power and Nice looking car!!
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Old 03-20-2009, 08:45 AM   #6
06njsti
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the 400whp 20g tune, perfect for a street car in my opinon
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Old 03-20-2009, 09:18 AM   #7
C J
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E85 GT3582r/10.83@126mph

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and to think I almost didn't want to order a 20g anymore, nice numbers!
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Old 03-20-2009, 09:33 AM   #8
irascible
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2006 WRX CGM
6SPD Cornfed GT30R

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Love the numbers and the power curve, also interested in type of fuel. Very nice man.
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Old 03-20-2009, 09:38 AM   #9
J. Steinbeck
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Oh good Lord... your car looks so good it hurts. Very tasteful looking (and tastefully modded) with power that is bound to shock the Hell out of more than a few people. I would love to own a car nearly identical to yours, with nearly identical mods, at some point.

Hopefully you won't mind if I ask a few questions...

Just out of curiosity, what did Scott tune for in terms of target boost on a setup like this?

I'm guessing that the 850s on a 2.5 with a 20G are well matched. Any idea what kind of IDCs your car is running?

Finally, what brand of FMIC are you running? (EDIT- Nevermind... I now see in your post that it is an APS.)

Sorry about the questions. I'm just playing around with ideas of what I might do to my own car down the road, or what I might do if I switch to another vehicle. It's nice to hear from people experienced with what I *think* will be a path worth following.

Congratulations on a stellar vehicle and setup.
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Old 03-20-2009, 10:15 AM   #10
xsblack
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Location: Long Island NY/Fort Myers Fl
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2004 Sti
JBP

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Graph looks good. Any idea what a stock Sti will put down on this land and sea dyno? Also how much boost you running? on pump?
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Old 03-20-2009, 10:20 AM   #11
Dookoo
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What fuel?
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Old 03-20-2009, 10:46 AM   #12
Steve.804
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Rotated 35R Jorge Tuned

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Wow perfect power band!! I'm sure this is an incredible street car! I'm also curious what a stock STI puts down on this dyno
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Old 03-20-2009, 10:48 AM   #13
02h20
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CleoTuned@PrecisionTuning

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Is there any benefit in removing the coolant flow from the manifold?
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Old 03-20-2009, 11:06 AM   #14
irascible
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6SPD Cornfed GT30R

Default

Quote:
Originally Posted by 02h20 View Post
Is there any benefit in removing the coolant flow from the manifold?

Reduced intake heat.
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Old 03-20-2009, 12:22 PM   #15
slowscooby
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Join Date: Aug 2004
Chapter/Region: South East
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- '05 STi
"White Thunder"

Default

I am in Orlando, FL using BP 93 octane.

Not sure what a stock STi puts down on that dyno, I will email the shop and ask.

Steinbeck - I think my target boost is right at 20 pounds. Not sure what my IDC's are, I know I have plenty of room though.

Thanks for all the compliments guys
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Old 03-20-2009, 01:04 PM   #16
Slimsti
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415/405 Precision Tuning

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Thats some sick power for not going to crazy with the turbo or boost. Nice looking aswell. Good job looks like a blast to drive.
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Old 03-20-2009, 01:11 PM   #17
k04sti
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jbp dom 3 xtr w meth!

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I believe stock STI's are around 230whp on that dyno.

Nice ride!
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Old 03-20-2009, 01:45 PM   #18
slowscooby
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- '05 STi
"White Thunder"

Default

Cool, thanks for the info.
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Old 03-20-2009, 02:06 PM   #19
klattery
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Silver

Default

400 whp on 93 octane for a 20G seems pretty high, even for a higher reading dyno. Also, you're still running 65mm intake, and not maxing out the MAF.
I don't really care absolute numbers, but I think a lot of folks will be unhappy if they expect 400whp from a 20G on pump gas (even 93).

Most important thing is it's a nice powerband and nice looking car.
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Old 03-20-2009, 03:14 PM   #20
godforbid67
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Location: ummm..... Andrewtech ftmfw!
Vehicle:
06 Built SGM WRX
35r, PPG, 280's, PSS9.

Default

nice nice, car looks sick man. that seems like a lot of power for only 20 pounds on a 20g. you sure stock stis only put down 230 not 250-260?? must be a fun daily driver though.
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Old 03-20-2009, 03:26 PM   #21
checque
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RIP Edwin

Default

Super high reading dyno. My 20G with cams and headwork makes that kind of power at 25psi on 110.

My DW850s are at 88% on a built 2.5 with 264 cams and lots of porting. It's amazing how some people can run 850s with a GT35R . . .
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Old 03-20-2009, 03:41 PM   #22
slowscooby
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Member#: 69520
Join Date: Aug 2004
Chapter/Region: South East
Location: .../(-.-)\...
Vehicle:
- '05 STi
"White Thunder"

Default

I emailed the shop a bit ago and asked what a stock STi puts down.

It may not "actually" be 400hp, but it feels damn good
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Old 03-20-2009, 04:38 PM   #23
k04sti
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04 wrx sti
jbp dom 3 xtr w meth!

Default

Quote:
Originally Posted by checque View Post
Super high reading dyno. My 20G with cams and headwork makes that kind of power at 25psi on 110.

My DW850s are at 88% on a built 2.5 with 264 cams and lots of porting. It's amazing how some people can run 850s with a GT35R . . .
If they are running 850s with a gt35r then they are not using that turbo to its full capabilities at all.
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Old 03-20-2009, 04:42 PM   #24
sr20dehauler
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SOLD - B13 SE-R

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Aspen White '05 with a 20G... Yummy
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Old 03-20-2009, 05:01 PM   #25
blakkboxer
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2k3 WRX MBP
black & gold is pimpin'

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Beautiful car and #'s
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