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Old 03-26-2014, 04:32 PM   #1
STi Mikey
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Default 2015 WRX & 2015 STi preliminary results

[/b][/b][/b][/b]Event: Dyno Pulls (2) 2015 WRX's
Location: ECS Performance
Ambient Temp:34F
Elevation: 100
Weather:Cold, DRY

Car: 2015 WRX
Tuner: STI Mikey / Paul Scott
Dyno Info: brand
Transmission: 6 Speed
Gear: 3rd
Peak HP at RPM: 230
Peak Torque at RPM: 260

Target boost: 17-22psi

AFR: 12.4 tapering to 10.5



I'm pretty excited to start a new, personal Subaru project. Yesterday both myself, Paul Scott from ECS Performance, and Jimmy from The Shop CT all picked up our 15's. Paul and I chose to go with the new platform, Jimmy decided on the STi.


We'll be dyno'ing the STi shortly, but I figured I would first share the WRX results.


First off, I'm going to be unbiased. The car handles exactly how all the reviews described. A tire and a slight drop and this car will be EVO status in the corners. Its close already in all honesty.


The power, well "peak wise" its what I was expecting but the band is sloppy at best. Im assuming the target boost is around 17-18 psi but the car constantly hits 20, in some cases as much as 22.5 psi. The TurboDynamics are constantly working. Boost is constantly rising and falling in most cases. You feel it in the pedal, you feel it in the seat, and in some cases the passenger even feels it.

Nonetheless, its a pleasure to drive



Tuning Notes:

Nothing is readily available yet, but we were able to log the car with the mustang dyno software.

At 21 psi tapering to 8, the ignition curve is different than any of the previous cars. -1 at the hit climbing to 3 degrees by 6k. At 6k a steep incline to 15 by 6500.

If I had a guess these cars are going to tune out similar to a Focus ST or a Mazda Speed 3. Just an assumption though.

With the direct injection, fuel stays pretty flat in the mid 12s then nose dives into the mid 10's after 6k RPM.



A note to others throwing their 15's on the rollers. As you know, aside from the 8 spd CVT the cars come with a 6 speed. The gears are long. Third still hits just about 100mph by redline.

If you pull the car in 4th, its hard to get decent numbers. The car detonates and you are instantly put into fail safe tables as I will display below.


Hoping Cobb or Ecutek will come through soon. The cars have potential!


-Mikey


















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Last edited by STi Mikey; 03-30-2014 at 02:55 PM.
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Old 03-26-2014, 04:50 PM   #2
LatentWagen
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Congrats on the new purchase, loving the grip/feel of these new cars.

That power curve is choppy for sure (guess that's good for business)... you guys have your work cut out!
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Old 03-26-2014, 04:50 PM   #3
toph
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Awesome. Saw this all over Facebook. Very excited to see what these cars have to offer once tuned and with an exhaust. I'm hoping to add one to the stable in the near future. We shall see.

I wonder if this will produce the crazy TQ that tuned 10+ LGT's make.
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Old 03-26-2014, 06:54 PM   #4
Z0rr0
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The 10+ LGT's were still the 2.5 EJ Platform. Very excited to get my hands on one of these new cars. FR-S was fun, but boosted FA is shaping up to be quite the engine.
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Old 03-26-2014, 07:07 PM   #5
toph
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I know they were EJ25, I was referring to the low mount turbo.
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Old 03-26-2014, 08:12 PM   #6
Shortpersonbk
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Quote:
Originally Posted by toph View Post
I know they were EJ25, I was referring to the low mount turbo.
2010 lgts were not low mount turbo........at least in the united states
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Old 03-26-2014, 08:29 PM   #7
toph
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Old 03-26-2014, 09:18 PM   #8
Irv Weissmanhowerton
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This is a 2.0L right? I thought I read somewhere they changed wrx in 2015 to not have a hatch model and also back to 2.0, but still a tad better then 2.5l #s
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Old 03-26-2014, 09:46 PM   #9
toph
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Have you been living under a rock for the past 6 months? I know you post on nasioc pretty frequently. It's probably one of the most discussed topics. You could look on the first page of any of the main discussion pages and find the answers that you're looking for, not to mention a simple Google search.
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Old 03-26-2014, 09:46 PM   #10
Shortpersonbk
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Quote:
Originally Posted by toph View Post
Those are not pictures from a USDM car. If you read into the thread people talk about that. I drove one for a couple thousand miles....it was just a 2010 wrx with a six speed in the 5 speed case basically.
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Old 03-26-2014, 09:54 PM   #11
pux888
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Congrats guys. Its always exciting when development of a new platform begins.
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Old 03-26-2014, 09:59 PM   #12
st205wrx
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Can't wait to see what a ebcs and a turboback exhaust will put down with a proper tune. Gdi engines love boost
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Old 03-26-2014, 10:03 PM   #13
toph
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Quote:
Originally Posted by Shortpersonbk View Post
Those are not pictures from a USDM car. If you read into the thread people talk about that. I drove one for a couple thousand miles....it was just a 2010 wrx with a six speed in the 5 speed case basically.
Bro. My girlfriend bought one brand new in 2010. I know it's a low mount turbo. It's not a 2010 WRX the thing doesn't even drive like a WRX.
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Old 03-26-2014, 10:04 PM   #14
Celery GT-5
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Quote:
Originally Posted by Shortpersonbk View Post
Those are not pictures from a USDM car. If you read into the thread people talk about that. I drove one for a couple thousand miles....it was just a 2010 wrx with a six speed in the 5 speed case basically.


I don't see a turbo back there


you can see the heat shield on the 05-09s
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Old 03-26-2014, 10:30 PM   #15
SUBARIFFIC
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The 2010 Legacy were bottom mounts. Google could be your best friend just open your arms.lol
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Old 03-26-2014, 11:25 PM   #16
kevinh211
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Pretty sure the new ecu's are very similar to the focus st and uses torque target. The ecu will raise or lower boost to meet the request torque target. Basically the car will put out the same power in any weather temp or altitude. Adding mods with out a tune will show 0 power increase.
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Old 03-27-2014, 12:27 AM   #17
Paul
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Nice car Mikey!! Excited to see what you can do with it since it has a gt45r rear mounted and the 2.41L motor






JK...
Just thought I should add some more mis-information in the thread..LOL
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Old 03-27-2014, 06:26 AM   #18
KillerBMotorsport
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Good stuff. Thanks for posting.
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Old 03-27-2014, 09:08 AM   #19
Shortpersonbk
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Quote:
Originally Posted by SUBARIFFIC View Post
The 2010 Legacy were bottom mounts. Google could be your best friend just open your arms.lol

Google provides little info on this tbh. Maybe I'm wrong. Now I'm interested. Why has no one used that manifold on a wrx if they are infact bottom mounts.
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Old 03-27-2014, 09:36 AM   #20
SUBARIFFIC
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Here's a link for you to look at I and I guess what I used GOOGLE. lol
http://legacygt.com/forums/showthrea...cs-157979.html
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Old 03-27-2014, 09:37 AM   #21
SUBARIFFIC
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Quote:
Originally Posted by Shortpersonbk View Post

Google provides little info on this tbh. Maybe I'm wrong. Now I'm interested. Why has no one used that manifold on a wrx if they are infact bottom mounts.
Probably it cost too much I don't know
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Old 03-27-2014, 10:08 AM   #22
SUBARIFFIC
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Well I have a Idea well the WRX/STI is the platform of choice. So now since the 2015 WRX is bottom mount you should see more manufacturers create stuff for it. The 2010 Legacy is niche
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Old 03-27-2014, 10:16 AM   #23
Celery GT-5
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Quote:
Originally Posted by Shortpersonbk View Post
Google provides little info on this tbh. Maybe I'm wrong. Now I'm interested. Why has no one used that manifold on a wrx if they are infact bottom mounts.
maybe?
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Old 03-27-2014, 10:30 AM   #24
WRXt4cy
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Thanks for posting this up! I'm very curious how much the tuning has changed the new WRX. It sounds like its changed a lot. Clearly a TON of room for improvement.

I've got a local shop getting their '15 WRX pretty soon and I'm excited to start playing around with it.

Did you try pulling the rom off the car with ECUFlash? I'm hoping it reads/flashes like older roms so that its just a matter of getting the definitions written and tested. I haven't seen anything in regards to this yet.
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Old 03-27-2014, 10:36 AM   #25
Celery GT-5
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It probably won't if its anything like the BRZ/FRS or FXT
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