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Old 06-24-2009, 12:39 PM   #1
Fine Line Imports
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Default 09 WRX Stage 2 plus headers

We recently finished this 2009 WRX and while not a monster build by any stretch of the imagination this was still a very fast and fun street car to drive everyday. We kept the modifications simple and effective. While trying to make the car handle better and have more power.

Engine:
COBB Access port Ver2 with custom FLI protune
COBB catted downpipe
COBB cat back
Tomei Equal length header and up-pipe
OEM 3 port boost solenoid

Suspension:
COBB front and rear sway bars
Whiteline ALK
Whiteline steering rack bushings

Drivetrain:
Kartboy short shifter
Karboy shifter bushings



The outside of the 09



The underside










This dyno sheet is crossed with his old tune which was just the downpipe and FLI protune


Ryan
www.finelineimports.net
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Last edited by Fine Line Imports; 06-24-2009 at 05:21 PM.
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Old 06-24-2009, 01:01 PM   #2
Troa
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very nice numbers for very minimal modification.

the 09s are the truth!
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Old 06-24-2009, 01:36 PM   #3
lowrider89
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wow, very few performance mods and it looks like one hell of a DD
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Old 06-24-2009, 04:18 PM   #4
renosubby
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how much boost.... wheres the torque?
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Old 06-24-2009, 05:20 PM   #5
Fine Line Imports
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Quote:
Originally Posted by renosubby View Post
how much boost.... wheres the torque?
boost was 15psi tapering to 11 on CA 91 oct. As far as the torque it makes 270 at 3250 RPM.


Ryan
Fine Line Imports
www.finelineimports.net
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Old 06-24-2009, 07:52 PM   #6
LatentWagen
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nice powerband!
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Old 06-24-2009, 11:36 PM   #7
Dave D.
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How do you like those Cobb swaybars -- is that the stage one kit?
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Old 06-25-2009, 12:32 AM   #8
Fine Line Imports
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Quote:
Originally Posted by Dave D. View Post
How do you like those Cobb swaybars -- is that the stage one kit?

Install was very easy the quality was excellent. The customer's we have used these on have had no complainants and only good things to say.
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Old 06-25-2009, 12:40 AM   #9
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Out of curiosity, what made you stop at 15psi?
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Old 06-25-2009, 12:59 AM   #10
Nuke209
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Quote:
Originally Posted by Fine Line Imports View Post
Engine:
COBB Access port Ver2 with custom FLI protune
COBB catted downpipe
COBB cat back
Tomei Equal length header and up-pipe
OEM 3 port boost solenoid
Oh?
Since when did the OEM come with 3 ports for their solenoid?
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Old 06-25-2009, 01:46 AM   #11
renosubby
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Quote:
Originally Posted by Fine Line Imports View Post
boost was 15psi tapering to 11 on CA 91 oct. As far as the torque it makes 270 at 3250 RPM.


Ryan
Fine Line Imports
www.finelineimports.net
Got it.. 15 psi explains it!
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Old 06-25-2009, 01:55 AM   #12
renosubby
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Quote:
Originally Posted by Audiosavvy View Post
Out of curiosity, what made you stop at 15psi?
I agree...IDC? I actually logged a 09 the other day and it was completely stock... It was hitting 17psi at 4500ft ASL... Is the customer worried about reliability?
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Old 06-25-2009, 08:48 AM   #13
LatentWagen
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Quote:
Originally Posted by renosubby View Post
I agree...IDC? I actually logged a 09 the other day and it was completely stock... It was hitting 17psi at 4500ft ASL... Is the customer worried about reliability?
stock customers worry about reliability

15psi is a nice spot for this turbo, look at dat graph! looks like she's barely trying
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Old 06-25-2009, 03:57 PM   #14
Audiosavvy
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Quote:
Originally Posted by midnite_wrex View Post
stock customers worry about reliability

15psi is a nice spot for this turbo, look at dat graph! looks like she's barely trying

18-20 psi is ALSO a nice spot for that turbo .
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Old 06-25-2009, 04:02 PM   #15
renosubby
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Quote:
Originally Posted by Audiosavvy View Post
18-20 psi is ALSO a nice spot for that turbo .
That's what I would like to see... give the car some more torque and maybe a few extra ponies!
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Old 06-25-2009, 04:57 PM   #16
Fine Line Imports
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Quote:
Originally Posted by Audiosavvy View Post
18-20 psi is ALSO a nice spot for that turbo .

At 18-20 PSI I am sure we could make more power but at some point you reach the point of diminishing return. Why run 4-6psi more boost for a extra 10whp on the small stock turbo. Safety and longevity in one of our prime goals when we tune no need to push everything all the time. Save that for the big builds.
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Old 06-25-2009, 05:40 PM   #17
renosubby
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Quote:
Originally Posted by Fine Line Imports View Post
At 18-20 PSI I am sure we could make more power but at some point you reach the point of diminishing return. Why run 4-6psi more boost for a extra 10whp on the small stock turbo. Safety and longevity in one of our prime goals when we tune no need to push everything all the time. Save that for the big builds.
isn't the 09 wrx about the same size a the sti turbo
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Old 06-25-2009, 06:12 PM   #18
sodak78
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Nice dyslexia...

Your rear sway is de sayin BBOC

Great install, yo... J/K

chev.................................
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Old 06-25-2009, 06:13 PM   #19
Tuning @ FLI
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Hello all,

My name is Miles and I am the tuner here at FLI. I tuned this 09 WRX MT car and I would like to explain why I mapped this car with 15.5 psi max (when it is cold out it will boost around 16.5 psi). The main reason why boost is set at 15.5 psi tapering to 11.5 psi is due to our poor 91 Octane fuel quality here in California. I always find a happy medium when tuning any vehicle here. This particular customer drives this car everyday in bumper to bumper traffic, has a family and did not request an aggressive tune. Not only that but with an 8.4:1 compression engine, I always tend to be on the conservative side on street cars running 91 Californian Octane fuel.

Now with all that said, when I create race fuel maps or a customer requests an aggressive tune, boost is most likely raised.

I hope this helps,

-





Have a great day,



Miles Hechtman
Fine Line Imports
tuning@finelineimports.net
www.finelineimports.net
www.fliblog.wordpress.com
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Old 06-25-2009, 06:20 PM   #20
sodak78
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Wink

Vrey Ncie....

Underdestoodin....
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Old 06-25-2009, 07:34 PM   #21
Audiosavvy
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Quote:
Originally Posted by Fine Line Imports View Post
At 18-20 PSI I am sure we could make more power but at some point you reach the point of diminishing return. Why run 4-6psi more boost for a extra 10whp on the small stock turbo. Safety and longevity in one of our prime goals when we tune no need to push everything all the time. Save that for the big builds.

I understand completely and wasn't DOUBTING the tune or tuner in any way, I assumed there was good reason for it .
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Old 06-25-2009, 08:01 PM   #22
nj1266
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I understand that the customer wanted a conservative tune, which is fine by me. But CA 91 octane gas does not limit you to 15.5 psi tapering to 11.5 psi. I was able to run 15.5 psi on an 05 WRX with the puny TD04 and taper it to 13 psi by redline while running 11:1 AFR throughout the power curve and 23* of timing by redline w/o knock.

Could you please tell us what is the AFR and the timing by redline? Maybe your running a lot of timing and that is why you are using less boost.

I know that CA 91 octane is crappy, but to say that it is the MAIN reason for running 15.5 psi on a VF turbo does not dovetail well with what other tuners are doing on 91 octane gas.
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Old 06-25-2009, 08:23 PM   #23
broken4
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Here is 18psi, WITHOUT headers. My car has the same exhaust (cobb turbo back catted) 91 octane is the lower tune, and 100 octane is the second.

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Old 06-25-2009, 08:23 PM   #24
ryan2.5
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great power, nice tuning.
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Old 06-25-2009, 10:32 PM   #25
gNarkill
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hb speed = high reading, i am sure of this now
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