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Old 08-09-2007, 03:47 PM   #1
XX Tuning
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Join Date: Sep 2003
Location: East Hartford, CT
Vehicle:
2004 Subaru STI
Silver

Default 06 Wrx, Vf22, Stock Tmi

We just got done converting this car for the customer, car came off the dyno this morning, and when I saw the stock TMIC I was a little disappointed. Needless to say, the car put down some excellent numbers for low boost and a catted Cobb exhaust, not to mention the great spool up of a VF22 on a 2.5 WRX.

Parts:
Cobb Catted TBE
VF22
APS CAI

16.5psi, Stock Boost control, Pump gas 93 octane.



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Old 08-09-2007, 06:34 PM   #2
aps2fast4u
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damn 2.5L's, lol!! Full torque by 3750 is def. nice on the streets I bet!!
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Old 08-09-2007, 11:13 PM   #3
ChrisSK
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Quote:
Originally Posted by aps2fast4u View Post
damn 2.5L's, lol!! Full torque by 3750 is def. nice on the streets I bet!!
I never even met this customer, the car came in, work was done, car was tuned then road tuned, then the car left... lol.. This car felt really good for a VF22 on a stock TMIC.. But I do not recommend this intercooler for anything bigger then the stock turbo.. Those plastic end tanks and the total surface area of the intercooler is just scary.
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Old 08-09-2007, 11:38 PM   #4
Equilibrium Tuning
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You're a brave man for tuning on that tmic! I won't even touch an 06 WRX with an upgraded turbo and stock tmic.
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Old 08-10-2007, 12:02 AM   #5
ChrisSK
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Quote:
Originally Posted by Vaus View Post
You're a brave man for tuning on that tmic! I won't even touch an 06 WRX with an upgraded turbo and stock tmic.
I know man, in fact, one of my techs was laughing at me because he knew I was going to have fun tuning it. It actually tuned very easy, I made boost come in "soft" and taper hard at redline so that the intercooler didn't have to work so hard, the 22 has much more potential then what you see for boost.

I was honestly surprised how good the car felt, you can tell she was being held back a little with the lower boost curve, but the car did pull to redline without any real noticable drop after 6000rpm.

Either way, that's why I posted it.. bigger turbo, POS tmic, and decent numbers on low boost.. Conservative at it's best.
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Old 08-11-2007, 01:41 PM   #6
Defiant Autospeed
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WRB

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Very similar powercurve and almost identical numbers to what my 02 wrx did with a VF22.

But I had a TXS TMIC and was running 21PSI to do it.

With modded cars reliability and engine longevity are always reduced if only a little. But at 16.5PSI I would bet my life that guys motor lasts damn near forever!
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Old 08-12-2007, 02:31 AM   #7
NITROS
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the vf22 wont hold more than 15 -15.5 psi at redline. I know because i have an identical set up running 18 psi with 11.5 afr on pump.

However it will easily do 23 psi at 3250 rpm.
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Old 08-12-2007, 01:16 PM   #8
aps2fast4u
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Originally Posted by NITROS View Post

However it will easily do 23 psi at 3250 rpm.
in 5th gear or what?
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Old 08-29-2007, 12:00 AM   #9
NITROS
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Stroker = Broken 3rd

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Quote:
Originally Posted by aps2fast4u View Post
in 5th gear or what?
hence the broken 3rd.

4th gear easily. Its a 2.5 with sti head gasket and stock wrx heads. But yes right around 3250 is when full boost kicks in.

in fifth u can expect full boost a little under 3k.
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Old 08-29-2007, 12:21 PM   #10
RiftsWRX
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Nice Chris!

The 22 is such a nice turbo, it's just a shame that it's old. That being said, if you're lucky enough to find one that's not beat up, they are the king of the IHI's. Especially on 2.0's. Just tough when it finally lets go (which is common, unfortunately).

Love the curves man!

Jorge (RiftsWRX)
www.ProjectWRX.com
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Old 08-29-2007, 12:31 PM   #11
ChrisSK
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Quote:
Originally Posted by RiftsWRX View Post
Nice Chris!

The 22 is such a nice turbo, it's just a shame that it's old. That being said, if you're lucky enough to find one that's not beat up, they are the king of the IHI's. Especially on 2.0's. Just tough when it finally lets go (which is common, unfortunately).

Love the curves man!

Jorge (RiftsWRX)
www.ProjectWRX.com
Thank you Jorge.. Compliments from other well respected tuners are always a big plus.

- Chris
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Old 08-29-2007, 12:39 PM   #12
sluflyer06
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just with my personal experience with the stock top mount, I don't even think it even does a great job on a stock car. Until I went with a b&p tmic the car always had a noticeable power drop in hot weather.

Nice smooth lookin graph.
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Old 08-29-2007, 12:52 PM   #13
RiftsWRX
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Quote:
Originally Posted by XX_Chris View Post
Thank you Jorge.. Compliments from other well respected tuners are always a big plus.

- Chris
You're too kind! We're all peers man. No one style of tuning is better then another, it's subjective at it's core, and a reflection of our individual personalities.

Congrats again!

Jorge (RiftsWRX)
www.ProjectWRX.com
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Old 08-29-2007, 01:03 PM   #14
Nuke209
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Quote:
Originally Posted by RiftsWRX View Post
You're too kind! We're all peers man. No one style of tuning is better then another, it's subjective at it's core, and a reflection of our individual personalities.

Congrats again!

Jorge (RiftsWRX)
www.ProjectWRX.com

I think this 'Proven Power Bragging' forum needs to be more like you
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Old 08-29-2007, 01:23 PM   #15
wcbjr
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Quote:
Originally Posted by NITROS View Post
the vf22 wont hold more than 15 -15.5 psi at redline. I know because i have an identical set up running 18 psi with 11.5 afr on pump.

However it will easily do 23 psi at 3250 rpm.
Any idea what it would do with an EWG?
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Old 08-29-2007, 01:28 PM   #16
RiftsWRX
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Originally Posted by wcbjr View Post
Any idea what it would do with an EWG?
It would hold more, but that doesn't mean it should...
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Old 08-29-2007, 01:42 PM   #17
NITROS
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Stroker = Broken 3rd

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Quote:
Originally Posted by RiftsWRX View Post
It would hold more, but that doesn't mean it should...
Yea, vf22 is only rated for 1.4 bar if IIRC which is 20.5 psi. I can only hold about 15-16 psi @ redline.

I ran the turbo at 23 psi for about 2 months (1000 miles 3rd gear blew up) weekend driving. I scaled it down to 18.5 psi now.

For a 2.5L the only real option is a 18g with 8cm^2 hotside. It will make great power, only DB sells them with this config now . For the same price you can basically pick up a 20g with 8cm^2 from fp.
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