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Reload this Page Dyno Tune: COBB Tuning makes 350whp/403wtq! 05 STi, Stock turbo on E85!
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Old 02-17-2010, 04:04 PM   #1
Cobb Tuning
NASIOC Manufacturer
 
Member#: 4803
Join Date: Mar 2001
Location: Austin, DFW, Portland, SOCAL
Default Dyno Tune: COBB Tuning makes 350whp/403wtq! 05 STi, Stock turbo on E85!
James came in last week... threw down some BIG numbers on a stage 2 E85 tune! Love this alternative fuel!

Location: COBB Tuning Plano, Plano, Texas
Ambient Temp: 45 degrees
Elevation: 522
Weather: cloudy

Car: 2005 Subaru WRX STi
Tuner: Calvin Dotson, COBB Tuning Plano
Dyno Info: Mustang 500SE
Peak HP at RPM: 350whp (SAE corrected)
Peak Torque at RPM: 403whtq (SAE corrected)
Target Boost: 21psi
Target AFR: 12.0 (petrol AFR)
Fuel: E85
Engine/Power Modifications:
COBB AccessPort
COBB Catback
COBB Short Ram Intake
Perrin Inlet
Helix Downpipe
DW850cc injectors
Walbro fuel pump




Check out COBB's Dyno Database Online to compare this car to others we have tuned!



COBB Tuning Plano
http://plano.cobbtuning.com/index.php
214-291-3020
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Old 02-17-2010, 04:10 PM   #2
SuperSTI
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Member#: 67182
Join Date: Jul 2004
Vehicle:
2004 Subaru STi
11.0 @ 128mph - 93/Meth
Default
400TQ = AWESOME!!!

Gotta love stock turbo!
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Old 02-17-2010, 07:57 PM   #3
guiltyone311
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Member#: 189401
Join Date: Sep 2008
Chapter/Region: MAIC
Location: manassas
Vehicle:
2004 sti built!!
jbp w/fp red&meth
Default
nice!!! e-85 ftw!!

curious what was the idc% on those 850's
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Old 02-17-2010, 08:52 PM   #4
reddevil
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Member#: 64673
Join Date: Jun 2004
Chapter/Region: NWIC
Location: portland
Vehicle:
1990 Legacy wagon
goes 12.387 @ 116.5
Default
Quote:
Originally Posted by guiltyone311 View Post
curious what was the idc% on those 850's

Betting close to 95%....
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Old 02-17-2010, 09:00 PM   #5
juanmedina
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Member#: 133146
Join Date: Nov 2006
Location: SC
Vehicle:
07 FPgreen 7.37@95
WRX VF39+E85 12.0, 121mph
Default
wow that a really low boost for such a high TQ #s. What is the timing at peak torque? it has to be 17+
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Old 02-17-2010, 09:00 PM   #6
lancelucas
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Member#: 124282
Join Date: Aug 2006
Chapter/Region: NWIC
Location: 30000 ft
Vehicle:
04 WRX Wagon PSM
13 STI Sedan SWP
Default
Quote:
Originally Posted by reddevil View Post
Betting close to 95%....
850cc's are 595cc gas equivalents, plenty big enough to handle a VF-series turbo, especially since AFR's are usually leaner as well.
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Old 02-17-2010, 09:37 PM   #7
JoeTX
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Member#: 83069
Join Date: Mar 2005
Chapter/Region: TXIC
Location: Fort Worth, TX
Vehicle:
2007 STi 302/350
UGM Wingless
Default
Damn nice looking plot. Doesn't fall off as much as I would have thought for the stock turbo. That thing must be a rocket out of the hole. Wish E85 was more readily available in the DFW area.

Just out of curiosity what sort of mpg do you get out of E85 and this tune?
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Old 02-17-2010, 09:52 PM   #8
jordanretro1223
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Member#: 143039
Join Date: Mar 2007
Chapter/Region: MAIC
Location: Delaware
Vehicle:
2007 STI
Satin White Pearl
Default
Quote:
Originally Posted by juanmedina View Post
What is the timing at peak torque? it has to be 17+
+1 I'm curious to know this as well.
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Old 02-17-2010, 10:24 PM   #9
bebemaster
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Member#: 111687
Join Date: Apr 2006
Chapter/Region: MAIC
Location: waldorf, md
Vehicle:
2005 wrx wagon
black
Default
Okay you people need to stop with these ridiculous plots before I shoot someone to get some e-85 here!
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Old 02-18-2010, 06:16 AM   #10
RedRex26
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Member#: 133418
Join Date: Nov 2006
Chapter/Region: Tri-State
Location: middle of no where
Vehicle:
2006 DOM3 XTR WRX TR
SRR 407whp 365wtq ppg'd
Default
wow thats a pretty fat torque curve i love it! JERSEY NEEDS E85! your gonna wheelhop like a mother ****er at the track haha.
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Old 02-18-2010, 08:38 PM   #11
Boxer112
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Member#: 78751
Join Date: Jan 2005
Chapter/Region: Tri-State
Location: Harlem, New York
Vehicle:
2006 WRX STi
Black
Default
What was the MAF like on this vehicle and what is the biggest turbo you have had the intake on. Im running ATP Gt3076 and dont want to get harrassed when emissions time comes around.
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Old 02-18-2010, 10:45 PM   #12
TXwrxWagon
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Member#: 191557
Join Date: Oct 2008
Chapter/Region: TXIC
Location: Rockwall-East DFW
Vehicle:
2004 WRX Wagon
WRB not so minty fresh
Default
where CAN we find E85 in the DFW area? I am ready to pull the trigger on a full tilt Stage 2+... but have been holding back really wanting to try E85

Rob
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Old 02-19-2010, 02:54 AM   #13
2006WRX4ME
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Member#: 134286
Join Date: Dec 2006
Chapter/Region: BAIC
Location: San Jose, Ca
Vehicle:
2006 WRX Limited
OBP
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http://www.e85refueling.com/
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