Welcome to the North American Subaru Impreza Owners Club Tuesday August 14, 2018
Home Forums WikiNASIOC Products Store Modifications Upgrade Garage
NASIOC
Go Back   NASIOC > NASIOC Technical > Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo)

Welcome to NASIOC - The world's largest online community for Subaru enthusiasts!
Welcome to the NASIOC.com Subaru forum.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

If you have any problems with the registration process or your account login, please contact us.
* Registered users of the site do not see these ads. 
Reply
 
Thread Tools Display Modes
Old 02-21-2005, 08:32 PM   #1
WRC-Go
Scooby Newbie
 
Member#: 29917
Join Date: Nov 2002
Location: Prince Edward Island, CA
Vehicle:
2017 WRX
Silver

Default Little help - need 50 HP and quicker spool-up

I love my little WRX wagon, but I'm beginning to think about a little more oomph... Warranty goes out in six thou, I'm ready to do some mods. So far, all I've done is catback exhaust (Stromung), and handling mods. I've read the FAQs about turbos, but my eyes are crossing and glazing over with all the terminology and nomenclature. What would you recommend for an easy 50 HP? I think that's enough to brighten up this daily driver. If go with a P&P stock turbo, I'll get quicker spoolup but can I get the 50? Stock unit doesn't really come on until 3500. Does P&P help that much?
If I upsize the turbo, what else do I need to do? (Assume injectors and tuning of course, maybe additional plumbing work?) Really looking for a simple and easy solution. If I can get more HP (75 or 100) I'll not look that gift horse in the mouth either.
Any tips and info appreciated.
Thanks!
* Registered users of the site do not see these ads.
WRC-Go is offline   Reply With Quote
Sponsored Links
* Registered users of the site do not see these ads.
Old 02-21-2005, 08:33 PM   #2
jmanny152
Scooby Newbie
 
Member#: 81573
Join Date: Feb 2005
Location: socal
Vehicle:
2k5 Dubba U R X

Default

cobb stage 2

BAM!
jmanny152 is offline   Reply With Quote
Old 02-21-2005, 08:35 PM   #3
jmanny152
Scooby Newbie
 
Member#: 81573
Join Date: Feb 2005
Location: socal
Vehicle:
2k5 Dubba U R X

Default

cobb stage 2= accessport+downpipe (you already have the catback)

that will put you at 285 hp
if you want more get a VF34 turbo (that would make it cobb stage 2.5) then you would be at 320 hp
jmanny152 is offline   Reply With Quote
Old 02-21-2005, 08:37 PM   #4
hondaeater69
Scooby Guru
 
Member#: 60324
Join Date: Apr 2004
Location: soon to be somewhere else
Vehicle:
1998 RS

Default

an upgraded turbo will get you 100+ hp, and cost anywhere from 2-4K and up. Cobb stage 1 is good for 20-30 HP, I would start there, you'll notice a good difference, and all you need is a DP for stage 2

and you WILL get stage 2.
hondaeater69 is offline   Reply With Quote
Old 02-21-2005, 08:52 PM   #5
Timdog1650
Scooby Specialist
 
Member#: 45516
Join Date: Oct 2003
Chapter/Region: MAIC
Location: Norfolk/Virginia Beach, VA
Vehicle:
MY04 STi
Black

Default

anything in the "Stage 2" category will work....Cobb, TurboXS. Basically, ditch a cat or two, get some engine management. The problem with a P&P is that it's not the most "noticeable" mod as far as performance goes, and requires having your turbo off to get sent out, which can be up to a week or two lag time.
Timdog1650 is offline   Reply With Quote
Old 02-21-2005, 08:59 PM   #6
omahasubaru
Scooby Guru
 
Member#: 1594
Join Date: Jun 2000
Chapter/Region: MWSOC
Location: Carson, IA
Vehicle:
1999 2.5 RS
2002 Legacy

Default

I'd start with the Cobb Accessport and run Stage 1, if that isn't enough, you can always upgrade to a stage 2.

You should really look into an up-pipe whether for stage 1 or 2 actually.
omahasubaru is offline   Reply With Quote
Old 02-21-2005, 08:59 PM   #7
WRC-Go
Scooby Newbie
 
Member#: 29917
Join Date: Nov 2002
Location: Prince Edward Island, CA
Vehicle:
2017 WRX
Silver

Default

Thanks, any good links to the Cobb stuff? Sounds like uppipe and downpipe plus access port and tuning... Think it will match up OK with the Stromung?
Appreciate all the responses.
WRC-Go is offline   Reply With Quote
Old 02-21-2005, 09:04 PM   #8
Timdog1650
Scooby Specialist
 
Member#: 45516
Join Date: Oct 2003
Chapter/Region: MAIC
Location: Norfolk/Virginia Beach, VA
Vehicle:
MY04 STi
Black

Default

www.cobbtuning.com

Just need to find a vendor that has Cobb stuff in stock. It'll match up to pretty much any exhaust setup, make sure you ditch the up-pipe and get one without a cat.
Timdog1650 is offline   Reply With Quote
Old 02-21-2005, 09:17 PM   #9
WRC-Go
Scooby Newbie
 
Member#: 29917
Join Date: Nov 2002
Location: Prince Edward Island, CA
Vehicle:
2017 WRX
Silver

Default

Thanks, guys!!
WRC-Go is offline   Reply With Quote
Old 02-21-2005, 09:28 PM   #10
goofywrx
Scooby Newbie
 
Member#: 79078
Join Date: Jan 2005
Chapter/Region: MAIC
Location: Carlisle, Pa
Vehicle:
2004 WRX
PSM

Default

uppipe will help with spoolup too.
goofywrx is offline   Reply With Quote
Old 02-21-2005, 09:36 PM   #11
LiquidForce
Scooby Specialist
 
Member#: 12811
Join Date: Nov 2001
Chapter/Region: South East
Location: Roswell Ga
Vehicle:
2002 2.5l Wrx
517whp/516wtq (Stage pi)

Default

A word of advice would be to buy used parts or go all out on the upgrades. You will get bored with what ever you do as far as upgrades. You are already displaying the classic sympoms of someone who can't leave well enough alone. Buying used helps ease the pain.

Trust me I know. I am currently on my third turbo and the fourth is on it's way via FedEx.


Get the walbro fuel pump and some injectors that are at least 650cc. That will work for several turbo upgrades.
LiquidForce is offline   Reply With Quote
Old 02-21-2005, 09:43 PM   #12
WRC-Go
Scooby Newbie
 
Member#: 29917
Join Date: Nov 2002
Location: Prince Edward Island, CA
Vehicle:
2017 WRX
Silver

Default

Thanks, I'm thinking I'll be OK with around 280 hp for now, but you never know... This car is really my daily driver, but it would be really neat to have like 350 hp in it....

Appreciate all the good advice.
WRC-Go is offline   Reply With Quote
Old 02-21-2005, 09:57 PM   #13
speedemon9
Scooby Specialist
 
Member#: 72279
Join Date: Oct 2004
Chapter/Region: MWSOC
Location: Minnesota
Vehicle:
2006 2006 STi

Default

turboXS utec
downpipe and uppipe
vf34 turbo, injectors and a fuelpump
speedemon9 is offline   Reply With Quote
Old 02-21-2005, 09:58 PM   #14
PinnacleChronos
Scooby Specialist
 
Member#: 64041
Join Date: Jun 2004
Default

what type of average 1/4 miles are ppl running with a cobb stage2?
PinnacleChronos is offline   Reply With Quote
Old 02-21-2005, 10:00 PM   #15
jmanny152
Scooby Newbie
 
Member#: 81573
Join Date: Feb 2005
Location: socal
Vehicle:
2k5 Dubba U R X

Default

Quote:
Originally Posted by hondaeater69
an upgraded turbo will get you 100+ hp, and cost anywhere from 2-4K and up.

i dont know where figures coming from. but i can get a vf34 with sti pinks and pump for 1200 installed.
jmanny152 is offline   Reply With Quote
Old 02-21-2005, 10:02 PM   #16
jmanny152
Scooby Newbie
 
Member#: 81573
Join Date: Feb 2005
Location: socal
Vehicle:
2k5 Dubba U R X

Default

13.6 is what cobb says. 13.9 with stage 1
jmanny152 is offline   Reply With Quote
Old 02-21-2005, 10:06 PM   #17
sergeant launch
Scooby Newbie
 
Member#: 81304
Join Date: Feb 2005
Location: gainesville, fl
Vehicle:
'03 WRX
aspen white

Default

i have the vf-34 turbo, STi injectors and walbro 255 lph fuel pump on the way...but i can say that COBB stage 2 package is really frekken tight man...i stayed up with an STi on 106 octane, and he NEVER PULLED!

thats just me,

im outee,
nick
sergeant launch is offline   Reply With Quote
Old 02-21-2005, 10:55 PM   #18
ashumo
Scooby Specialist
 
Member#: 51318
Join Date: Dec 2003
Chapter/Region: NWIC
Location: Portland, OR
Vehicle:
89 SVX Syncro

Default

pass on cobb and their stage kits...get ecutek and build your own kit.
ashumo is offline   Reply With Quote
Old 02-21-2005, 11:38 PM   #19
Phil Jr.
Scooby Specialist
 
Member#: 62221
Join Date: May 2004
Chapter/Region: Tri-State
Location: Philly, PA
Default

Buy a cobb catted DP, used STi uppipe, AccessPort, and I/C hoses. You will have 285 HP and full spool under 3500rpm.

I just noticed you have a Viper so def get the Cobb catted DP, it is work the cash man. You wont be losing any power with the one hi-flow cat, COBB has stated this.
Phil Jr. is offline   Reply With Quote
Old 02-21-2005, 11:45 PM   #20
veightkiller
Scooby Guru
 
Member#: 78967
Join Date: Jan 2005
Chapter/Region: VIC
Location: vancouver B.C
Vehicle:
2011 335i
Black

Default

what's the website for COBB????
veightkiller is offline   Reply With Quote
Old 02-21-2005, 11:57 PM   #21
Phil Jr.
Scooby Specialist
 
Member#: 62221
Join Date: May 2004
Chapter/Region: Tri-State
Location: Philly, PA
Default

Phil Jr. is offline   Reply With Quote
Old 02-22-2005, 12:11 AM   #22
veightkiller
Scooby Guru
 
Member#: 78967
Join Date: Jan 2005
Chapter/Region: VIC
Location: vancouver B.C
Vehicle:
2011 335i
Black

Default

^^^ thank's
veightkiller is offline   Reply With Quote
Old 02-22-2005, 12:30 AM   #23
scoobdude
Scooby Specialist
 
Member#: 50699
Join Date: Dec 2003
Chapter/Region: TXIC
Location: austin
Vehicle:
2004 WRX
Platinum Silver

Default

i picked up an ION turbo stage 1. lighter internals and bigger internal wheels. this may be your ticket. I have not put it on though since i stilll need EM, injectors, and an upipe.

Good luck though. Oh and thumbs up on cobb products, as i am looking into their tuner and upipe to finish my set up (plus modded injectors).
scoobdude is offline   Reply With Quote
Old 02-22-2005, 01:59 AM   #24
fogdor
Scooby Specialist
 
Member#: 45726
Join Date: Oct 2003
Vehicle:
2007 Mazdaspeed3
Cosmic Blue

Default

For +50 hp from stock and QUICKER spoolup, do not TOUCH that turbo. What you're asking for is a Classic Stage 2.

Up pipe. Turbo back (down pipe at least). Finally, engine management.

http://www.pdxtuning.com/images/dyno...Stage2-wrx.gif

Oh, here's a link to a Stage 4 (VF34 + Supporting Mods) on the same dyno. Decide for yourself if the trade offs are worth it

http://www.pdxtuning.com/images/dyno...Stage4-wrx.gif

Last edited by fogdor; 02-22-2005 at 02:04 AM.
fogdor is offline   Reply With Quote
Old 02-22-2005, 03:24 PM   #25
Phil Jr.
Scooby Specialist
 
Member#: 62221
Join Date: May 2004
Chapter/Region: Tri-State
Location: Philly, PA
Default

Hmmm besides the extra power from stage 2, the other thing I realized is how small the td04 really is. This turbo was picked pretty much as the smallest possible turbo to get 227hp stock. With stage 2 power REALLY drops off to nothing after 6000rpm. The td04 just runs out of breath.
Phil Jr. is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
want quicker spool up w/o aftermarket up/dp or ems djmic Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo) 59 09-06-2005 02:59 PM
a little help needed on port and polishing Lordhowe Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo) 0 07-19-2005 03:35 PM
Bigger I/C in WRX, increased lag and later spool up? JIM THEO Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo) 14 01-26-2005 02:01 PM
Just a little help needed...... WRX_02_227 Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo) 3 12-28-2001 08:05 PM
Scooby mechanics: little help needed taking apart my jspec Rex front clip... annointed Tri-State Area Forum 32 11-19-2001 07:46 PM

All times are GMT -4. The time now is 09:21 PM.


Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2018 Axivo Inc.
Copyright ©1999 - 2017, North American Subaru Impreza Owners Club, Inc.