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Old 07-06-2013, 04:28 PM   #1
Boosted Tuning
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Join Date: Jun 2011
Chapter/Region: BAIC
Location: Chico, CA (boostedtuning.com)
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335i / WRX
EVO 8 RS

Default BOOSTED TUNING Road Tune - 06 STI/Td06 20G/91oct - 350hp/325tq

Car: 06 STI
Tuner: Jay @ Boosted Tuning (www.boostedtuning.com)
Dyno Info: Virtual Dyno
Transmission: Stock 6sp
Gear: 4rd
Baseline hp/tq for a stock on same dyno: 240-250hp
Target Boost: 20psi
Fuel: 91oct
Engine/Power Modifications:

Td06 20G
Perrin Downpipe
Invidia Headers
Grimmspeed Up-pipe/divorced 38mm wastegate
DW 850s
DW fuel pump
Grimmspeed BCS



** Multiple back to back pulls shown, to show that power is consistent and that dyno numbers are not a one time VD fluke. (I feel this should be done with all VD charts/results) **
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File Type: jpg Kyle 91oct Dyno.jpg (67.2 KB, 376 views)
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Old 07-06-2013, 07:54 PM   #2
Sypher
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that seems a little low on VD for that turbo but then again it is on 91 octane. Im suprised you were able to keep the TQ down.
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Old 07-06-2013, 08:19 PM   #3
Boosted Tuning
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Quote:
Originally Posted by Sypher View Post
that seems a little low on VD for that turbo but then again it is on 91 octane. Im suprised you were able to keep the TQ down.
I suppose. But I see other STi 20g setups that do about 350-360hp/330-340tq on pump, even on 93oct. I do see some that get more tq then hp, maybe theres something different in the setup allowing that tq or maybe some dynos spike the tq higher then VD. The AWD dynojet I use, commonly reads tq higher then VD but the same HP as VD.
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Old 07-06-2013, 09:42 PM   #4
idratherbesurfing
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i have a 06 sti 20g ...320/370 93oct 18psi

anyway that graph looks nice and smooth
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Old 07-06-2013, 09:48 PM   #5
Boosted Tuning
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Quote:
Originally Posted by idratherbesurfing View Post
i have a 06 sti 20g ...320/370 93oct 18psi

anyway that graph looks nice and smooth
I assume the 370 is hp and the 320 tq? Nice results.

Thanks
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Old 07-06-2013, 10:16 PM   #6
some dude
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The higher the RPM, the higher the HP. I think the majority of people these days are running td05 wheels but maybe I'm wrong. You could consider raising redline, possible gain even more HP? I'm just thinking out loud , I checked out the graph. Nice car.
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Old 07-07-2013, 10:25 AM   #7
Sypher
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Yeah the graph looks good Im just suprised by the TQ, I just got done tuning a 2.5l with some random ebay 20g (or it could have been some off the wall turbo he said it was a 20g) and it made over 400tq. But we had some boost spiking issues with the ebay wastegate, it would spike 21 and drop down to 18 so that maybe the reason for the peak TQ number. Either way he destroyed the tranny in days and I feel terrible about it since my assumption a 20g would be safe on a wrx tranny. Regardless the power curve is fantastic on that graph you posted. And holding nearly 300 tq to redline on a subaru is impressive.
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Old 07-07-2013, 10:29 AM   #8
Sypher
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Quote:
Originally Posted by some dude View Post
The higher the RPM, the higher the HP. I think the majority of people these days are running td05 wheels but maybe I'm wrong. You could consider raising redline, possible gain even more HP? I'm just thinking out loud , I checked out the graph. Nice car.
What you said is not accurate. That maybe correct if he was running a GT35R that out breaths his motor, but most subarus fall off up top due to poor effeciency of the motor, they have terrible VE. The fact he was able to hold tq to redline is impressive most bolt on turbos on pump on any subaru 2.5 wont do that. They will fall off towards redline. Its kinda the same thing with a KA24 VS a SR20, just the way the motors built. Hell I know drop in piston and rod 2.0liter wrx,s that WORK 2.5s on the highway all day long.
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Old 07-07-2013, 11:04 AM   #9
idratherbesurfing
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Quote:
Originally Posted by Boosted Tuning View Post
I assume the 370 is hp and the 320 tq? Nice results.

Thanks

nope...320hp 370tq. on a dynojet. im due for a retune so im gong to turn the boost up a bit. i dont have forged internals yet. thats whats holding me back right now
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Old 07-08-2013, 12:35 AM   #10
Slimsti
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Looks good, nice safe power.
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Old 07-08-2013, 05:58 AM   #11
BURNING4ORCE
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This is a good reference point for me for the VD DYNO as I will doing a fp green setup soon on CA 91 octane as I'm fairly new to the subie world. Jay what do you normally see with your stage 2 tunes for GD/GR sti with vf-39-43-48 on the VD road dyno with dynojet setting? Nice results by the way.
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Old 07-08-2013, 10:12 AM   #12
some dude
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I don't know much about the specifics of tuning and dyno sessions, but lookin at the graph, HP might keep increasing if RPM were also increased. That's what I was trying to say in my first post. You think that is inaccurate?
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