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Old 05-27-2011, 10:10 AM   #1
AMS
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Default AMS built and tuned 2.5l 2008 STI, 450+ whp on a 20g.. on a Mustang Dyno.. :O

Really really impressed with this car. Making 454whp on a 20g is pretty stout, but when you realize that this would be about 490whp on our Dynojet it becomes simply astonishing. And to top it off, it makes power faster than the stock turbo!



Car: 2008 STI
Tuner: Mitch @ AMS Performance
Dyno Info: Mustang MD-AWD-500
Transmission: Stock 6 speed
Gear: 4th
Peak HP at RPM: 454 SAE CF
Peak Torque at RPM: 391 SAE CF
Baseline hp/tq for a stock on same dyno: 211 whp

Target Boost: 26 psi
Target AFR: 11.4:1
Fuel: e85

Engine/Power Modifications:

Built Motor -
Kelford 264/260
GSC Beehive Valve Springs and Ti Retainers
ARP head studs
CP 9:1 Pistons
K1 H beams
K1 billet crank


Blouch 20g-XT 7cm^2
P&L EWG Up Pipe - 38mm TiAL v-band
Custom Supertrapp Muffler EWG dump tube for track dB limit
P&L Cat Back
Catless downpipe
Perrin Turbo Inlet
Process West TMIC
ID 1000cc


Other Modifications:

TGV delete
Air pump delete
Grimmspeed 3 port BCS
Cobb AP
Miscellaneous other suspension/etc. upgrades



Last edited by AMS; 06-06-2011 at 10:20 AM. Reason: edited parts list
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Old 05-27-2011, 10:19 AM   #2
Rizen
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All these cars getting crazy #s on E85 makes me wish we had it in my area.
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Old 05-27-2011, 10:22 AM   #3
xsnapshot
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So this dyno had the stock turbo'd car peaking at 274 on E85? That is a low reading dyno for sure. Boost seems a little odd to, as it's not peaking until ~3500 RPM stock turbo. Is this the dyno loading the car differently?

It would seem to me, that if this power level is accurate, then perhaps the 7cm^2 turbine housing really isn't as restrictive as most nasioc members make it out to be? And yes I know it has an EWG and cams, but still, for a 7cm that's impressive! Good work AMS!
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Old 05-27-2011, 10:31 AM   #4
AMS
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Default

Quote:
Originally Posted by xsnapshot View Post
So this dyno had the stock turbo'd car peaking at 274 on E85? That is a low reading dyno for sure. Boost seems a little odd to, as it's not peaking until ~3500 RPM stock turbo. Is this the dyno loading the car differently?

It would seem to me, that if this power level is accurate, then perhaps the 7cm^2 turbine housing really isn't as restrictive as most nasioc members make it out to be? And yes I know it has an EWG and cams, but still, for a 7cm that's impressive! Good work AMS!
The stock turbo plot has a stock motor, no EWG, etc. so keep that in mind. Also, the Mustang dyno reads about 300rpm slower than our Dynojet due to the difference in load.

-Ty
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Old 05-27-2011, 10:39 AM   #5
juanmedina
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Quote:
Originally Posted by xsnapshot View Post
So this dyno had the stock turbo'd car peaking at 274 on E85? That is a low reading dyno for sure. Boost seems a little odd to, as it's not peaking until ~3500 RPM stock turbo. Is this the dyno loading the car differently?

It would seem to me, that if this power level is accurate, then perhaps the 7cm^2 turbine housing really isn't as restrictive as most nasioc members make it out to be? And yes I know it has an EWG and cams, but still, for a 7cm that's impressive! Good work AMS!
[B,][/b]

I would said that is a weak VF48 on E85 not a low reading dyno, we know how much a VF48 on E85 makes on GST dyno and it makes more than that. EWG makes no difference on a VF turbo.

I am impress with this new 20g, is making 30-40 more than my OG green. Very impressive indeed.

Good job AMS
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Old 05-27-2011, 10:45 AM   #6
Homemade WRX
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I love the flat torque curve!!
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Old 05-27-2011, 11:13 AM   #7
Paul
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Thats a really nice power band. WHat did it do without SAE CF?
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Old 05-27-2011, 11:14 AM   #8
CatfaceType-R
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@homeade: yup, that must be a nice pulling car
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Old 05-27-2011, 11:15 AM   #9
Steve.804
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^that's what I'm talking about! Those cams are really doing their job, that torque curve is beautiful! Are you sure you didnt accidently post an Evo's chart?
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Old 05-27-2011, 11:24 AM   #10
juanmedina
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How much does it out down uncorrected? What are the IDC? U Should be out of injectors with the Id1000s at stock fuel pressure.

Last edited by juanmedina; 05-27-2011 at 03:00 PM.
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Old 05-27-2011, 05:58 PM   #11
AMS
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Quote:
Originally Posted by juanmedina View Post
How much does it out down uncorrected? What are the IDC? U Should be out of injectors with the Id1000s at stock fuel pressure.

The car is at about 90% IDC, but they have not become static. I doubt there is any more power this car could make on e85 with this fuel system set up.

Uncorrected for both plots:

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Old 05-27-2011, 11:02 PM   #12
kayen
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Great job AMS! I talked with Mike after he left your place and he is one happy person for sure

Wish I could be Co-driving his car this weekend in Nebraska...damn on call hahaha

I guess next weekend will have to do
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Old 05-27-2011, 11:21 AM   #13
dmross
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That might be one of the nicest power bands I have ever seen posted on this board. I bet that car is a blast to drive, nice work!
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Old 05-27-2011, 11:22 AM   #14
Badler
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Old 05-27-2011, 02:17 PM   #15
bilt2run
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^^^ yea..something aint right, I have id1000's with my base pressure set at 53psi and I'm at 100% duty cycle on e78 at about 6800rpm, 11.7af only making right around 340whp dyno dynamics..

Btw: tdo6sl-2 20g 8cm 23psi
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Old 05-27-2011, 05:52 PM   #16
P&L Motorsports Inc.
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Nice job guys! The car looks like it's a blast to drive


TERRY...
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Old 05-27-2011, 11:23 PM   #17
RCMASTI
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On stock headers?!
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Old 05-28-2011, 08:04 AM   #18
trex616
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Stock fuel rails too? What pump?
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Old 05-29-2011, 11:23 AM   #19
kayen
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Quote:
Originally Posted by RCMASTI View Post
On stock headers?!
Quote:
Originally Posted by trex616 View Post
Stock fuel rails too? What pump?
I can answer those questions for you guys.

Yes and Yes, also it has a Walbro Pump the last time I knew.
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Old 05-29-2011, 11:59 AM   #20
RCMASTI
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Quote:
Originally Posted by kayen

I can answer those questions for you guys.

Yes and Yes, also it has a Walbro Pump the last time I knew.
That is awesome. I guess I over-modded and could have stayed tmic...
Great job.
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Old 05-29-2011, 12:04 PM   #21
SVT_WRX
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With a filter value of 1....that's a pretty damn smooth curve.

11.4 on E85 seems to be my magic number too...

Nice work.

Oh, and update your first post to include your peak RPM's.
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Old 05-29-2011, 12:38 PM   #22
trex616
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Quote:
Originally Posted by RCMASTI View Post
That is awesome. I guess I over-modded and could have stayed tmic...
Great job.
A lot of 30R guys stay TMIC and have killer street setups.

http://forums.nasioc.com/forums/show...light=30r+tmic
http://forums.nasioc.com/forums/show...light=30r+tmic
http://forums.nasioc.com/forums/show...light=30r+tmic
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Old 05-29-2011, 02:17 PM   #23
Equilibrium Tuning
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Something is way off here. The vf48 should be making at least 320-330whp on e85 and there's no way you're pushing 450whp on ID1000's on E85 at stock pressure. Not to mention the walbro wouldn't keep up with that flow either. None of this adds up.

-- Ed
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Old 05-29-2011, 11:47 AM   #24
trex616
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Impressive. I've heard 1000s are generally the limit on a stock single Walboro, I wonder if 13's rails and an extra pump would yield any more power out of this already impressive setup. I guess if they're really only at 90% IDC on E85, its probably perfect the way it is.

Last edited by trex616; 05-29-2011 at 12:52 PM.
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Old 05-29-2011, 03:02 PM   #25
SVT_WRX
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Uh oh...don't tell me we have another effed with Mustang dyno...

Lets see some road dyno logs and plots...
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