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Old 12-31-2009, 09:36 AM   #1
Scooby Specialist
Member#: 44836
Join Date: Oct 2003
Chapter/Region: MAIC
1999 Fozzy

Default Akuma tuned: 2009 Legacy GT BNR stock fitment 20g

Event: dyno pull
Location: Akuma Motorsports
Ambient Temp: unk, around 30deg F
Elevation: sea level
Weather: sunny, cold

Car: 2009 Legacy GT/ 5spd
Tuner: John@Akuma
Dyno Info: Mustang
Peak HP at RPM: 306whp uncorrected
Peak Torque at RPM: 327wtq uncorrected
Baseline hp/tq for a stock on same dyno: unk
Target Boost: 19
Target AFR: 11.2
Fuel: 93 octane
Engine/Power Modifications: Cobb intake, perrin Inlet, BNR 20g conversion (from vf40), perrin TMIC, tgv deletes, invidia header coated by Tirado Custom Coatings, 3" catless exhaust, Walbro pump, 750cc DW's
Driveline Modifications: none/stock

Suspension Modifications: springs/sways/mounts/bushings etc
Other Modifications: none

Thanks to Akuma for helping me get the issues with the car sorted out before the tune (there were many...) they were awesome to work with. Car was tuned for 19psi. It seems we just ran out of intercooler and anything more the car wanted to start detonating. Ill be back in the spring hopefully with a FMIC and possibly some meth and have John open it up. But given the slaughterhouse that Akuma's dyno is proving to be, I am fairly pleased with nearly 310whp at only 19psi.

Data plot shows that boost drops off, but that was an instrumentation issue, boost actually holds flat out. The car drives very well, is very streetable. the turbo is a BNR vf40 conversion to a td05/20g for 08+ wrx/lgt fitment.

Thanks to BNR for coming to the LGT guys with a turbo option, for Akuma for straightening my bad install of an absolutely ****ty perrin inlet/ic, and the guys at Broken Motorsports for the extra parts I needed day of the tune.

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Last edited by KurtP; 12-31-2009 at 09:59 AM.
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Old 12-31-2009, 10:31 AM   #2
Scooby Specialist
Member#: 128760
Join Date: Oct 2006
Chapter/Region: RMIC
Location: Over there>
2017 STI


Looks good John, as always nice work! Any plans on a trip back to Utah? I want a protune.
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Old 12-31-2009, 12:37 PM   #3
Former Vendor
Member#: 214570
Join Date: Jun 2009
Chapter/Region: Tri-State
Location: NJ/SLC


Thanks. The boost curve looks a bit funky because our PCB sensor is taking a dump. Again! I ordered a new AEM for the dyno, it will be here next week. The damn sensor drops voltage abd is skewed by 1.5PSI, very annoying. Anyway, for the 5 speed this power level is close to the threshold for reliability(yes-some go for more) and on pump, the car was happy with the boost and timing, so we left it. Drives very smooth on the street.

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Old 12-31-2009, 04:03 PM   #4
Dom Terreto
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Member#: 180034
Join Date: May 2008
Chapter/Region: Tri-State
Location: IAG performance

Glad you're injoyings das auto Kurt (in feeble German accent)!! Lol

but seriously I'm glad we were able totie up the loose ends and get some good power for ya! We definitely look forward to helping you out in the future!

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Old 12-31-2009, 04:15 PM   #5
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Join Date: Oct 2003
Chapter/Region: MAIC
1999 Fozzy


Yeah, thanks Evan, you guys were awesome!
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Old 01-06-2010, 02:34 AM   #6
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Member#: 171778
Join Date: Feb 2008
Chapter/Region: Tri-State
Location: NJ
2002 Snail Wagon


+1 Broken Motorsports

Hope you're enjoying the car Kurt!

-Roman (07 LGT)
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Old 01-06-2010, 12:51 PM   #7
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Member#: 194884
Join Date: Nov 2008
Chapter/Region: South East
Location: Grovetown
2009 dirty



do you have any dyno comparisons of stock/stg2 sti/other 2.5 subys with 20g on that dyno?
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