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02-03-2008, 12:10 AM | #1 |
Scooby Specialist
Member#: 4498
Join Date: Feb 2001
Chapter/Region:
NWIC
Location: Portland, Oregon
Vehicle:WRX H6-3.0 Turbo www.surgelinetuning.com |
400 lb-ft on an 08 STI Stage 2!
As most of you know from the previous posts, we have been playing around with the accessport on my 2008 STI. In late December we made it a stage 2 setup with the addition of a Perrin downpipe and a custom twin Magnaflow exhaust. (it has just shy of 3000 miles now)
This weekend I added a Perrin PW-1 Water injection kit (Aquamist). I am running a 50/50 mix of meth/water. Before running the meth, I explored the AVCS intake and exhaust variables a bit. With a bit more boost, and a lot more overlap, I was able to eeek out 374 lb-ft of torque on pump 92 octane fuel. I turned on the WI, using .6 nozzel (which is a small nozzel, so not a huge amount of meth/water). With a bit leaner AFRs, and a bit more timing I was able to get 401 lb-ft of torque and 312 whp. This really isn't stage 2, but heh, it still runs like one as long as I ignore the tractor sounds from the CPs. The 08 is growing on me. Cheers, Jeff Sponaugle
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Last edited by sponaugle; 02-10-2008 at 10:04 PM. |
02-03-2008, 12:13 AM | #2 |
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Join Date: Mar 2005
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Wow. Nicely done. Does the new Cobb software have access to all the maps already?
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02-03-2008, 12:14 AM | #3 |
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Join Date: Mar 2007
Chapter/Region:
Tri-State
Location: NJ/ PENN STATE
Vehicle:2002 WRX 34'd WRB |
Impressive! how are you liking the new turbo (vf48)
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02-03-2008, 12:15 AM | #4 |
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RMIC
Location: Denver
Vehicle:2012 WRX SWP |
DANG....nice start.
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02-03-2008, 12:18 AM | #5 |
Vendor
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Location: Stamford, CT
Vehicle:'05 STI 11.1 @ 127 03 Evo 8 9.5 @ 149 |
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02-03-2008, 12:18 AM | #6 |
Vendor
Member#: 73568
Join Date: Oct 2004
Location: Stamford, CT
Vehicle:'05 STI 11.1 @ 127 03 Evo 8 9.5 @ 149 |
Nice TQ ! Glad to see someone else is playing with meth !
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02-03-2008, 12:27 AM | #7 |
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Join Date: Aug 2006
Chapter/Region:
MAIC
Location: Pittsburgh, PA
Vehicle:2015 WRX STI Limited Ice Silver |
Very nice. Must be interesting to drive. Time for a slightly larger turbo? Or are you going to see how far you can push the stocker?
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02-03-2008, 12:33 AM | #8 |
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SCIC
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Vehicle:2007 VW GTI DSG Black Magic Pearl |
wow the new sti is a beast
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02-03-2008, 12:34 AM | #9 |
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Vehicle:10 Toyota Taco K8 SV650SF |
Great work experimenting with that 08 Sti man.. seriously those results are sick! That has got to be so much fun to drive..
paul |
02-03-2008, 01:17 AM | #10 |
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Join Date: Feb 2004
Chapter/Region:
E. Canada
Location: Whitby, Ontario
Vehicle:2009 WRX DGM |
Congrats on the tuning. You're getting me all excited and my wife all nervous.
It looks like the new turbo is having a tough time up top or is this similar to VF43 capabilities? It'd be great to see less of a torque drop after 5700; do you think that is possible with the stock turbo? |
02-03-2008, 01:24 AM | #11 | |
Scooby Specialist
Member#: 4498
Join Date: Feb 2001
Chapter/Region:
NWIC
Location: Portland, Oregon
Vehicle:WRX H6-3.0 Turbo www.surgelinetuning.com |
Quote:
Whatever is different (the turbo, or the exhaust cam duration), the 08 makes faster torque, but less HP. Even when I pushed the 92 octane tune, the torque comes up fast, but upper end HP seems to be limited. Oh we like our meth out here in Oregon. |
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02-03-2008, 01:39 AM | #12 |
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MAIC
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Vehicle:2006 Evo IX SE Tarmac Black |
I heard the new cobb firmware is pretty slick. You can control individual cylinders.
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02-03-2008, 03:33 AM | #13 |
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Chapter/Region:
SWIC
Location: Peoria, AZ
Vehicle:2006 STI UR GT35R w/ mad bolt ons |
nice numbers!
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02-03-2008, 03:40 AM | #14 |
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SCIC
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Vehicle:2002 WRX-totaled =[ 2011 G37-S |
holy god of torque...
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02-03-2008, 04:03 AM | #15 |
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Vehicle:2001 Legacy GT back to stock is a project too |
Awesome job Jeff! I can't believe there is nearly a 100 point difference of torque to hp. Very interesting.
Can we expect dyno sheets comparing the AVCS tuning? Ben |
02-03-2008, 04:38 AM | #16 |
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Vehicle:05 STI blue |
awesome but i wouldnt consider water/meth part of the stage 2 category
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02-03-2008, 06:10 AM | #17 |
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i like how dynoflash gets ripped for a big tq number on the fpgreen, but no one says **** about this...
i know both are 100% legit, but some of u guys out there, your bias is ****in rediculous... good job pdx! |
02-03-2008, 06:22 AM | #18 |
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i need this motor in my car.
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02-03-2008, 07:11 AM | #19 |
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Join Date: Jun 2004
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BAIC
Location: THANKs CrucialRacing, EQTuning
Vehicle:2006 Stock Turbo STi [email protected] VF39 |
congrats on the numbers very good result very impressive for sure
BUT.... lets hope this dont turn out another EARLY 07 STi Hype about having easily making power......... Last edited by downsti; 02-03-2008 at 07:17 AM. |
02-03-2008, 07:53 AM | #20 | |
Scooby Newbie
Member#: 56945
Join Date: Mar 2004
Chapter/Region:
Tri-State
Location: CT
Vehicle:08 STI Base Model Black |
Quote:
Anyway congrats and keep up the good work, we will have stage 2 plus mode by the end of this week. -George Kakakletris |
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02-03-2008, 07:57 AM | #21 |
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thing is we are only talking about 400 ft lbs vs 515. A LOT easier to believe 400. Personally I can believe 515 with a lot of fiddling on that green/meth setup on that dyno. there are a few around the country that consistently give super numbers and that is ok you just have to realize where it is being dynoed.
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02-03-2008, 08:12 AM | #22 |
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Vehicle:2006 Stock Turbo STi [email protected] VF39 |
just curious since when dyno numbers proves your faster than the other guy with lower dyno numbers?
i say end the arguement and bring those cars to the track.. Last edited by downsti; 02-03-2008 at 08:20 AM. |
02-03-2008, 09:06 AM | #23 |
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Vehicle:08 STI Base Model Black |
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02-03-2008, 09:28 AM | #24 |
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Last edited by jgheels2003; 02-03-2008 at 09:34 AM. |
02-03-2008, 09:52 AM | #25 |
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Location: Wenatchee Wa.
Vehicle:06 |
Importedcars[George], do not let these 'negative' people discourage you. I think most of them have 'LESS' experience with high H/P cars than they say they do.
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