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Old 09-11-2007, 04:55 PM   #1
kharris4
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Member#: 46018
Join Date: Oct 2003
Chapter/Region: MWSOC
Vehicle:
2003 wrx
silver(mostly stock)

Default Element GT52.

the car made 401whp/380wtq on 93 octane and between 19-20psi. i haven't had the Hydramist tuned yet. it was tuned by Corey Parrish at SlowMotionMotorsports in Columbus,Ohio.

Dyno=Dynapack.











-new 257 block with overbore for 100mm pistons
-100mm wiseco pistons (originally ordered 100mm mahle but found out after build that they used wiseco)
-manley rods
-arp studs
-crower stage II cams
-stock heads with new subaru valves
-power enterprise timing belt
-fuel pressure regulator with gage on it.
-hydra
-hydramist
-gt52 bolt-on
-tail 44mm to street (mounted on vishnu uppipe)


previous engine mods (*=no longer on car):
-stock 2.0*
-stock heads
-fp18g internally gated*
-utec*
-greddy profec b spec II
-tgv delets
-perrin inlet and intake
-perrin fuel rails
-pe800's
-walbro
-txs front mount
-vishnu pulley
-vishnu catless tbe "signature series"(most overpriced pipe ever)
-Vibrant Ultra Quiet Resonator.(i really love this thing.)

drivetrain:
-jdm 6-speed non-dccd
-version 7 r180 with 2-pots
-exedy twin disc
-DSS alluminum shaft
-DSS front axles
(somebody usually asks this one)

Comments are welcome.
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Last edited by kharris4; 09-12-2007 at 08:18 PM. Reason: added some crappy pics.
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Old 09-11-2007, 05:50 PM   #2
stickman
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Icy Blew

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nice.

u can go with more boost right?
does it seem somewhat laggy?
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Old 09-11-2007, 06:07 PM   #3
redrex2002
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srp

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when do you see full bost, and also do you think that this turbo would benefit from some minor hear work, also a mild cam upgrade. or possibly have different chacteristics with the jdm v8 heads?
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Old 09-11-2007, 06:13 PM   #4
jigga
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i would think that with V8 heads, he might get slower spool up due to the larger ports and slower velocity compared to the stock heads. More top end power though likely.

Most cams on the market move the powerband to the right with a loss at the left side, so I imagine again, slower spool, and more top end power.
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Old 09-11-2007, 06:20 PM   #5
djoye
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Quote:
Originally Posted by jigga View Post
i would think that with V8 heads, he might get slower spool up due to the larger ports and slower velocity compared to the stock heads. More top end power though likely.

Most cams on the market move the powerband to the right with a loss at the left side, so I imagine again, slower spool, and more top end power.
But with a 2.5L that might rev to 7500RPMs and a large turbo that will probably hold out plenty long do you really need help moving the power band to the right? I figure something like that might be nice for a high-revving 207. I've been wondering about this.
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Old 09-11-2007, 06:35 PM   #6
lethal.adv
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'10 Legacy 2.5i ltd.

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vids please
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Old 09-11-2007, 06:43 PM   #7
Fast_Wrx62
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2002 RIP Bugeye.
PSM

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^^ Plz!
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Old 09-11-2007, 07:19 PM   #8
kharris4
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silver(mostly stock)

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did you guys see that it has Crower Stg II cams?

i was only looking for an easy 400whp on pump gas. even more when i tune in the Hydramist. i know what other cars are like that were tuned on this dyno, so i know where 400whp should put me.

boost seems to come on fast in all gears(jdm 6-speed).

i may upgrade the heads in the future, but for now i'd like to just get the Hydramist tuned and enjoy what i have.
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Old 09-11-2007, 09:55 PM   #9
a04subaruwrxSTi
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04 STI
Java Black Pearl

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subarus are making more and more crazy HP gains! I love it!
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Old 09-11-2007, 10:15 PM   #10
McBain_TP
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2003 330ci black/tan

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It looks like the cams really help keep the torque up top. I've got the same ones, but with a 20G.
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Old 09-12-2007, 09:20 AM   #11
ejh25
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I have a similar setup:

Built block w/ V8 heads and cams with some valvetrain upgrades and a GT52.

You should gain almost 40 whp with the Hydramist.

I did 500/507 with hydramist and 110 leaded.

The GT52 rocks!
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Old 09-12-2007, 10:03 AM   #12
THE-95-STi
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the JDM yO!(MAIC4LIFE)

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I also have a similar set-up
+1 for the GT52
more Info here on me and my turbo here:
http://forums.nasioc.com/forums/show....php?t=1111597
Engine Control:
Element Hydra Nemesis Engine management system
Wid ban 02
Launch Control
Motor:
CP Custom Spec Forged Race Pistons OEM Bore w/rings 9.5:1 compression
Proto-type Element tuning rods
Cosworth camshafts 278/274
Cosworth Valves/spring/retainers
ARP Head studs
Element competition catch can
NGK 1 step colder spark plugs
Drivetrain:
Clutchmaster Stage 4 clutch
Turbo:
Element GT52 Turbocharger
Intake:
K&N Cone Filter
Perrin Short ram
Samco Turbo Inlet
Exhaust:
Greddy Headers
Element FEW Competition EWG up-pipe
Tial 38mm Waste gate
Turbo XS custom 4” Down Pipe
Turbo XS 3” RFL Ti exhaust
Fuel delivery:
Perrin 816cc Injectors
Walbro Fuel pump
JDM TGV deletes
Hydramist Methanol Injection Kit
Cooling:
Turbo XS Front Mount Intercooler & piping
Turbosmart Raceport Blow Off Valve
Zerosports Thermostat
Koyo Radiator
GT Spec Radiator shroud
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Old 09-12-2007, 10:10 AM   #13
jgheels2003
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White

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Very impressive!
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Old 09-12-2007, 11:53 AM   #14
kharris4
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It might not be the fastest car on the streets, but it did start to bust the tires(yokohama es100 235/40/17) loose getting on the freeway earlier today.

two questions:
-what type of water mixture are you GT52/Hydramist owners running?
-who makes a decent knock lite that is affordable?

also, i may just build a RWD version of this with an older/lighter suby.
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Old 09-12-2007, 12:41 PM   #15
ejh25
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Quote:
Originally Posted by kharris4 View Post
It might not be the fastest car on the streets, but it did start to bust the tires(yokohama es100 235/40/17) loose getting on the freeway earlier today.

two questions:
-what type of water mixture are you GT52/Hydramist owners running?
-who makes a decent knock lite that is affordable?

also, i may just build a RWD version of this with an older/lighter suby.
Windshield washer fluid the -20c kind....

I believe TXS makes a knock lite...
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Old 09-12-2007, 01:02 PM   #16
THE-95-STi
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the JDM yO!(MAIC4LIFE)

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^^^+1

The blue stuff that costs like .99
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Old 09-12-2007, 01:03 PM   #17
namitherussian
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MBP, F250

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what did your previous set up make?
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Old 09-12-2007, 01:15 PM   #18
kharris4
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18g on 2.0 made about 290whp/270wtq at Godspeed. a while back.
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Old 09-12-2007, 01:15 PM   #19
kharris4
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also, no injection with that 18g.
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Old 09-13-2007, 04:33 PM   #20
2004stiwrb
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i'm @ the dragstrip
with over 600awhp!!!!!!!!

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congrats on the numbers, corey is very good at what he does but jon schroeck had a hand in this tune also.
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Old 09-13-2007, 05:27 PM   #21
rexhio
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nice. slowmo does good tuning
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Old 09-13-2007, 09:17 PM   #22
kharris4
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i wasn't actually there when they were tuning it. how do you know that Jon was there? now i feel bad for not mentioning him in my original post.

the car seems to be running pretty well. i'll be going back to have the Hydramist tuned and maybe even a race gas map.
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Old 09-13-2007, 10:18 PM   #23
2004stiwrb
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i'm @ the dragstrip
with over 600awhp!!!!!!!!

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he is one of my best friends thats how i knew. you should def. get it back in for racegas and water injection.
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Old 09-13-2007, 10:53 PM   #24
keaniegenie
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I also have a similar setup.

Stock EJ257 longblock
aps 3" tbe
aps header
txs intake
txs ic
hydra
hydramist
perrin inlet
modded injectors
walbro

I'll be putting a fmic with reversed manifold next.

Water injection will make a huge difference! You'll see.
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Old 09-14-2007, 08:17 AM   #25
kharris4
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2004stiwrb- if you talk to Jon, please give him my thanks.
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