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Old 10-23-2001, 05:43 PM   #1
dub976
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Join Date: Oct 2001
Location: Hanover Park IL
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2002 impreza WRX
midnight black pearl

Default how can I get more boost out of the stock turbo?

How can I get more boost out of the stock turbo? I was told that a new blow out valve will do the trick. Does anyone know if this is true? Or should I get a manul boost control instead? and do I need to get hte cold air intake and exhauset first?
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Old 10-23-2001, 06:22 PM   #2
8Complex

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Chapter/Region: MWSOC
Location: Schaumburg, IL
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16 WRX (white)
04 FXT (red)

Default

Try searching the Factory Forced Induction Technical forum. You'll find all the answers you need if you go through some of those posts.
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Old 10-23-2001, 06:29 PM   #3
Greenracer6
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Location: Louisville KY
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08 335i TwinTurbo
PSM 02WRX, 97 Dipped CRV

Default POWER

Hey I'm in Louisville Ky,

What I did was an exaust and Boost controller first. With out cats and 16psi, you will beat Corvettes and Lightnings from a stop.

3in. Exaust and 16psi = [email protected] in the 8th
I'm buying a Link ECU right now so if you want my new boost controller, I'll sell it. Retail is like $330 AVC-D Apex-i

I'll sell it for $200 and help you with install info if you need it!
Good power for low cost IMHO.

My new ECU is well over $1000. Good Luck with your REX!

Bill [email protected]
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Old 10-24-2001, 10:11 AM   #4
Scoob
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WR Blue

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A Blow-Off Valve (BOV) ain't gonna buy you any more horsepower. The standard one on the car is adequate for it's purpose. The only good reason for an aftermarket one is if ya wanna really hear the psshhhhttt noise when you let off the gas!

Scoob.
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Old 10-24-2001, 11:39 AM   #5
gtguy
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The real question is, how do I get more boost from the stock turbo safely and smoothly? You need engine management for that. Whether it's a computer working in conjunction with a boost controller, or a plug and play Unichip, the choice is yours.

BOV are silly IMHO, unless you just want the cool sound effects. As another poster said, the stock one is just fine.

Kevin
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Old 10-24-2001, 03:53 PM   #6
Greenracer6
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PSM 02WRX, 97 Dipped CRV

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A good boost controller is fine because the stock engine computer knows how much air you are pulling in and it automatically compensates for the high boost with adaquate fuel.
The fuel cut is @17psi for most WRX's, so you will be running rich @16psi with plenty of fuel w/o a AFC or anything like that.

1psi is about 10hp

1st and 2nd stock 10-12psi
with boost control @ different RPM's 16psi.
thats a 40hp increase of the line. That is why a WRX with minimal mods can good fast in a hurry!

my $3.50
Bill
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Old 10-24-2001, 04:35 PM   #7
dub976
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thanks a lot guys for the input. I've decided to go with the chip but does anyone know if you take the chip out does the computer store in it's memory that you put it in?
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Old 10-24-2001, 07:26 PM   #8
gtguy
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Go to the "Factory Forced Induction" forum, and do a search on "Unichip." That should answer any questions you might have, and good luck.

Kevin
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