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Old 09-22-2007, 11:04 AM   #1
AMS
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Default AMS FPGreen Test! 2007 STi, 8cm housing

In the midst of our very chaotic move we were able to get my car on the dyno and finally test this bad little boy. The results were very nice and we are really impressed with the turbo. The car is now making 75 more WHP at Redline on pump gas!


On with the test

The Vehicle: 2007 Subaru Sti

Modifications:

AMS Custom Catback
Turbo XS Downpipe
AMS Test Pipe
AEM Cold Air Intake
Vibrant Header with up-pipe
Deatschwerks 850CC top feed injectors
Walrbo Fuel Pump
Forced Performance FPGreen with an 8cm turbine housing and 2.4" Inlet
Forced Performance High PSI internal wastegate actuator


STOCK TOP MOUNT INTERCOOLER


pump Gas
21 Psi tapering to 18psi
Mid to low 11's AFR's


The First graph here is just the numbers. Here is what she did last night on the dyno. we are pretty impressed!



Now here is that same graph in STD Correction for those that are used to using the "Standard" Correction factor



And last but not least here is the HP curve outlined over the tune with the stock tubro. All that was changed was the FPGreen and the fuel modifications to support it. Look at the HP increase at redline!!!



All in all we are very happy with the results and considering the spool time we will deffinetely be recomending this turbo to our subaru customers.

Next on the modification path is to try this same combination with our AMS Top Mount Intercooler, Remove the Tumbers, Try an FP 3" Cover and toss an External Wastegate actuator on it. Oh, and of course throw some real gas at it

We think with some better boost control and a little less heat soak we can squeeze close to 400whp out of this little bolt on turbo.

Eric Gaudi
Sales Manager
AMS Performance
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Old 09-22-2007, 11:34 AM   #2
fourmicah
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Nice to see people still using the TMIC. So many people say you can't make power with them and I've heard many instances were this is not the case. Good Work.
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Old 09-22-2007, 01:03 PM   #3
wrxfactor
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Before you guys try your own TMIC, do you think you could get ahold of a JDM STi TMIC? I wonder if there are any true gains to be had with it over the USDM STi, being as it is 15% larger.
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Old 09-22-2007, 01:20 PM   #4
AMS
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if anyone has one to send we would be willing to try.

Eric
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Old 09-22-2007, 01:52 PM   #5
DoctorNick
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This Opensource or Cobb?
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Old 09-22-2007, 07:11 PM   #6
AMS
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This was with open source. I have an AP on order for it but its not in just yet

Eric
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Old 09-22-2007, 08:23 PM   #7
AZScoobie
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Typical power range for this 2003 turbo is 360 to 380whp on pump gas. The only issue I see is that its comming on real late. THis turbo should be on by 3600 to 3800 full out. A retune of the AVCS system will help. Good job guys!

Clark
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Old 09-22-2007, 10:55 PM   #8
MattPersman
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Quote:
Originally Posted by fourmicah View Post
Nice to see people still using the TMIC. So many people say you can't make power with them and I've heard many instances were this is not the case. Good Work.
I dunno, I still think TMIC is a compromise, especially when you go to this size turbo. consistency wise FM should prevail

nice numbers. EWG should make a nice difference. do not know if the 3" is worth it.
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Old 09-23-2007, 12:29 AM   #9
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Quote:
Originally Posted by AZScoobie View Post
Typical power range for this 2003 turbo is 360 to 380whp on pump gas. The only issue I see is that its comming on real late. THis turbo should be on by 3600 to 3800 full out. A retune of the AVCS system will help. Good job guys!

Clark
For some reason on the log it's showing full boost by 3850-3900 and i was ending the pulls just short of 7K. There might be some offset on the ignition pickup for some reason.

I tuned it last night in a hurry Clark and I tried only about 2 iterations of AVCS timing before we called it a night. Once Eric gets' his AP and we finish up our move I'll have some time to play with it.

Thanks! We'll be testing an 18g on our shop car next, I'm very curious to see how that does.
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Old 09-23-2007, 12:42 AM   #10
Jeremy05sti
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lookin good guys.....keep it up......this now confirms that I'll be going for the Green
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Old 09-23-2007, 12:58 AM   #11
mxpunk
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Fpgreen Ftw!
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Old 09-23-2007, 01:20 AM   #12
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Quote:
Originally Posted by [email protected] View Post
For some reason on the log it's showing full boost by 3850-3900 and i was ending the pulls just short of 7K. There might be some offset on the ignition pickup for some reason.

I tuned it last night in a hurry Clark and I tried only about 2 iterations of AVCS timing before we called it a night. Once Eric gets' his AP and we finish up our move I'll have some time to play with it.

Thanks! We'll be testing an 18g on our shop car next, I'm very curious to see how that does.
any plans to do a test on the 20g? that's what i'm leaning towards. also tell Chris to hurry and come back to the big island! my 04sti needs some more AMS love
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Old 09-23-2007, 02:52 AM   #13
Yoo Shin
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Quote:
Originally Posted by fourmicah View Post
Nice to see people still using the TMIC. So many people say you can't make power with them and I've heard many instances were this is not the case. Good Work.
+1 I agreee. That's an awesome power curve and looks great for a daily driver/autox/drag stip car and of course (hopefully) it's realiable too.
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Old 09-23-2007, 03:08 AM   #14
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Awesome numbers, does the simplicity (ie:top mount, tumblers, etc) of the system explain the lower tq # then hp?

I thought that was only typical of Evos....
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Old 09-23-2007, 11:04 AM   #15
AMS
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Im sure that has something to do with it. I would of loved to pull out the tumblers and switch to our TMIC or even an AMS FMIC and test the stock turbo out again but time was not on our side with AMS being closed right now for our move.

Torque was a bit lower but the great thing about this car right now is that it pulls to redline like my evo did (only with much more power) and its making just about the same HP as torque. WAY higher then an EVO

Foo_Blyat, just an fyi if an evo were to make about 370whp on pump gas the torque number would be close to about 340 on this turbo, if not lower. The evo doesn't have a tumbler or a top mount to get in the way either. Food for thought.

I would love to get all of this done before the shootout but I just don't think we are going to have any time to do this. I looks as if the way the car sits right now is the way its going to see the shootout. We might toss some better gas in it and kick up the boost just because i'm power hungry and miss the strip

Eric
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Old 09-23-2007, 11:58 AM   #16
CatfaceType-R
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make your ams STi beat your ams EVO and tell us all how you did it...kthxbye jk
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Old 09-23-2007, 03:36 PM   #17
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Sweet.... This is very similar to my setup minus the 3" inlet, FMIC and deleted tumblers etc.. Can't wait to have the car out of body so we can get Chris on this tune.. Aloha....
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Old 09-23-2007, 04:52 PM   #18
BlackSTI2006
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Looks awsome....cant wait to see results of a better tmic!
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Old 09-24-2007, 03:42 AM   #19
slalom274
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Awesome, keep the updates coming!
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Old 09-24-2007, 02:41 PM   #20
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I don't see the point to keeping the stock tmic, seems like a huge restriction
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Old 09-24-2007, 05:58 PM   #21
Pidro
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Quote:
Originally Posted by lawn boy View Post
I don't see the point to keeping the stock tmic, seems like a huge restriction
Maybe this would answer some of your questions. Plus not everyone likes FMIC.
Quote:
Originally Posted by AMS View Post
Im sure that has something to do with it. I would of loved to pull out the tumblers and switch to our TMIC or even an AMS FMIC and test the stock turbo out again but time was not on our side with AMS being closed right now for our move.

Torque was a bit lower but the great thing about this car right now is that it pulls to redline like my evo did (only with much more power) and its making just about the same HP as torque. WAY higher then an EVO

Foo_Blyat, just an fyi if an evo were to make about 370whp on pump gas the torque number would be close to about 340 on this turbo, if not lower. The evo doesn't have a tumbler or a top mount to get in the way either. Food for thought.

I would love to get all of this done before the shootout but I just don't think we are going to have any time to do this. I looks as if the way the car sits right now is the way its going to see the shootout. We might toss some better gas in it and kick up the boost just because i'm power hungry and miss the strip

Eric
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Old 09-24-2007, 10:40 PM   #22
teesutt
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IVe got a similar setup on an 05 sti.

Green 3"/8cm
Bushur Racing TBE
Helix Big TMIC
Helix 860cc FI
Typhoon Intake
TGV Deletes
Tuned via openecu

biggest problem during tuning was intake temps. i have ordered a turbo blanket as well as taken the stock snorkus intake and cut it right by the intake filter. helped out a little. i have yet to dyno the car but will hopefully get that done this week. i'll post my numbers up in this thread.
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Old 09-25-2007, 03:11 AM   #23
STIheaven
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nice numbers. are you guys now making your own tbe's?
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Old 09-25-2007, 06:41 PM   #24
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Thank you again guys, We are planning on making our own Exhuasts and we already have a TMIC we are working on. Im sure a FMIC is not far off.

Eric
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Old 09-26-2007, 05:44 AM   #25
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Quote:
Originally Posted by AMS View Post
Thank you again guys, We are planning on making our own Exhuasts and we already have a TMIC we are working on. Im sure a FMIC is not far off.

Eric
Nice.
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