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Old 01-14-2010, 03:23 PM   #1
Forged Performance
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Default Forged Performance - 361whp/344wtq, 2.5L, 750R @ 20 psi

Forged Performance makes 361whp/344wtq on 93 octane @ 20 psi

Location: Forged Performance, Marietta, GA
Car: 2008 Subaru STI
Tuner: Scott Siegel @ Forged Performance
Dyno Info: Dyno Dynamics
Peak Power: 361whp/344wtq on 93 octane @ 20 psi
Fuel: 93 Octane

- Cobb AccessPORT
- AMS 750r Turbo Kit
- AMS FMIC
- Deatschwerks Injectors
- CP Pistons
- TGV Deletes
- KillerB Oil Pickup
- ACT Clutch
- GrimmSpeed EBCS
- Walbro Fuel Pump
- Ceramic Coating on turbine housing, up-pipe, and downpipe










*Green line is stock STI w/ turbo back exhaust

-Decker
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Last edited by Forged Performance; 01-15-2010 at 08:20 AM.
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Old 01-14-2010, 04:03 PM   #2
AMS
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Awesome number guys!!

Eric
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Old 01-14-2010, 04:04 PM   #3
Forged Performance
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Quote:
Originally Posted by AMS View Post
Awesome number guys!!

Eric
The AMS kits is so awesome. It's beautiful AND it performs

We're going to be adding a header and doing a race gas tune in about a month.

-Decker
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Old 01-14-2010, 04:06 PM   #4
AlxSti
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Great numbers - very clean build. Looking forward to the race gas results!
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Old 01-14-2010, 04:58 PM   #5
Forged Performance
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Here are a few of pics of the ceramic coating:





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Old 01-14-2010, 06:27 PM   #6
ImprezaRSfan!
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Am i the only one who thinks those numbers are kind of low?

If i have a big turbo kit that hits full power at 4700-5000rpm, then i want at least 400whp out of it on 93 octane.

Whats the difference in lag/power comparing the AMS 750 and 850?
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Old 01-14-2010, 06:38 PM   #7
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Quote:
Originally Posted by ImprezaRSfan! View Post
Am i the only one who thinks those numbers are kind of low?

If i have a big turbo kit that hits full power at 4700-5000rpm, then i want at least 400whp out of it on 93 octane.

Whats the difference in lag/power comparing the AMS 750 and 850?
Keep in mind that an Sti with FULL turbo back exhaust made 211 whp on their dyno so its more that fair to assume that bone stock sti on their dyno makes under 200whp. Looking at those numbers its more that fair to say that setup is about 410-415 whp on dynojet .
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Old 01-14-2010, 06:47 PM   #8
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Quote:
Originally Posted by EvosSti View Post
Keep in mind that an Sti with FULL turbo back exhaust made 211 whp on their dyno so its more that fair to assume that bone stock sti on their dyno makes under 200whp. Looking at those numbers its more that fair to say that setup is about 410-415 whp on dynojet .
Exactly, don't focus on the peak number but the amount of power gained. This is really impressive.

Headers are going to help this car a great deal in the torque department too

Eric
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Old 01-14-2010, 06:54 PM   #9
ImprezaRSfan!
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Quote:
Originally Posted by EvosSti View Post
Keep in mind that an Sti with FULL turbo back exhaust made 211 whp on their dyno so its more that fair to assume that bone stock sti on their dyno makes under 200whp. Looking at those numbers its more that fair to say that setup is about 410-415 whp on dynojet .
ahh i missed that. The font is so small below the graph picture.

Id be curious to see aCobb Accessport stage 2 OTS 08+ STI compared to this setup.

Then people that want to take there car to the next level from boltons can see the difference between the 2 setups on the same dyno.
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Old 01-14-2010, 07:04 PM   #10
crashtke
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Sorry, not really familiar with the AMS kits, but what does the 750R compare to?
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Old 01-14-2010, 08:08 PM   #11
EvosSti
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Quote:
Originally Posted by crashtke View Post
Sorry, not really familiar with the AMS kits, but what does the 750R compare to?
Here is some real good info on 750r

http://www.amsracingblog.amsperforma...50r-turbo-kit/
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Old 01-14-2010, 08:41 PM   #12
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Still not a lot of info...just that it is a 30R variant. Also looked like it had some kind of internal gate provision. But, good luck with the build guys. 150 hp over stock is a pretty good jump.
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Old 01-14-2010, 09:00 PM   #13
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looks like it makes awsome power,but still seems a little laggy.
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Old 01-14-2010, 09:46 PM   #14
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Downsti's got it by---------3.5 cars.

(Unless the button is removed)
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Old 01-14-2010, 10:33 PM   #15
BrentS
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Such beautiful pieces went into the engine bay, never to see the light of day again! Well, hopefully not soon, anyway!
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Old 01-15-2010, 02:53 AM   #16
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wow simply beautiful
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Old 01-15-2010, 05:18 AM   #17
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Originally Posted by modaddict View Post
Downsti's got it by---------3.5 cars.

(Unless the button is removed)
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Old 01-15-2010, 08:28 AM   #18
RealStreet
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Is that a 5857 or a 6262
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Old 01-15-2010, 09:02 AM   #19
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Is that a 5857 or a 6262
5857.
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Old 01-15-2010, 09:32 AM   #20
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The DD loads the cars a little differently than some dynos... On the street is breaks 19psi at about 3800 rpm. I do have to say it makes more interesting sounds than the 35R compressor covers. I'll try to get a video of it, but if you roll in to light boost and roll out you can make it sound just like a police siren

Siegel
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Old 01-15-2010, 01:17 PM   #21
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Originally Posted by siegelracing View Post
The DD loads the cars a little differently than some dynos... On the street is breaks 19psi at about 3800 rpm. I do have to say it makes more interesting sounds than the 35R compressor covers. I'll try to get a video of it, but if you roll in to light boost and roll out you can make it sound just like a police siren

Siegel
That's strange, you'd think that it would show that on the graph and show that it spools quicker.
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Old 01-15-2010, 03:21 PM   #22
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I have also noticed that most cars spool faster on the street than on a load bearing dyno. On a build we did it hit peak boost at 4200-4300 on the dyno and 3700-3800 on the street.
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Old 01-15-2010, 03:42 PM   #23
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Quote:
Originally Posted by siegelracing View Post
The DD loads the cars a little differently than some dynos... On the street is breaks 19psi at about 3800 rpm. I do have to say it makes more interesting sounds than the 35R compressor covers. I'll try to get a video of it, but if you roll in to light boost and roll out you can make it sound just like a police siren

Siegel
Quote:
Originally Posted by fourmicah View Post
That's strange, you'd think that it would show that on the graph and show that it spools quicker.
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Old 01-16-2010, 07:17 AM   #24
STIdad
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I was AMS's prototype 08 STI build (also a DGM!)...there's a thread around here somewhere with my numbers too. I hit full boost around 22-23psi by 4300 rpm and put down 390whp on a dynojet. Only difference was I had Grimspeed PnP exhaust manifold. BTW on E85 my car did 519whp at 30psi still hitting full boost before 4300 rpm. The 750R is really a great power producer at the higher boost settings.
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Old 01-17-2010, 01:42 AM   #25
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Downsti's got it by---------3.5 cars.

(Unless the button is removed)
jealous?

Last edited by downsti; 01-17-2010 at 01:48 AM.
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