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03-25-2005, 12:21 PM | #1 |
Scooby Newbie
Member#: 81820
Join Date: Feb 2005
Location: Taylorsville NC
Vehicle:2003 WRX sedan Sedona |
Getting my AEM EMS soon
well, i've decided to just go with the proven AEM EMS for my 03 wrx.......i haven't got much feedback from ppl using it...but, that's cool. so, i'll ask again........is there really anyone else running it?
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03-25-2005, 12:25 PM | #2 |
Scooby Specialist
Member#: 29393
Join Date: Nov 2002
Chapter/Region:
MAIC
Location: York, PA
Vehicle:2015 WRX wrbp |
my friend is running one in his supra. many supra owners use it and they love it!
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03-25-2005, 12:33 PM | #3 |
Scooby Newbie
Member#: 81820
Join Date: Feb 2005
Location: Taylorsville NC
Vehicle:2003 WRX sedan Sedona |
yeah, i knowthe supra guys love them....my friend jason tunes them all the time. i'll be his first WRX though
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03-25-2005, 01:34 PM | #4 |
*** Banned ***
Member#: 16200
Join Date: Mar 2002
Vehicle:OK buy Nates beans westcoastroasting.com |
...good luck.....don't try to go too lean....leaner than 11:1 gets dangerous....and beware too much timing....a wideband, EGT and knocklink would be wise.....many small steps finish the journey faster than a few big steps.......get with STiTuner(Brad) and see if he can help.....
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03-25-2005, 01:49 PM | #5 |
Scooby Newbie
Member#: 81820
Join Date: Feb 2005
Location: Taylorsville NC
Vehicle:2003 WRX sedan Sedona |
i take it back, jason has done subaru's before...just none in this state. he's going leaner than 11.5:1 and picked up HELLA power.........and driveability, so i'll just leave it in his hand. sure subaru's like runnin rich...but, come on..it's not an RX-7 :P
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03-25-2005, 01:50 PM | #6 |
Scooby Newbie
Member#: 81820
Join Date: Feb 2005
Location: Taylorsville NC
Vehicle:2003 WRX sedan Sedona |
oh, and i'm getting hte built in wideband...and have a greddy egt gauge. i might see about getting an ems egt..i think they offer one for the subaru...not sure
basically, i just want rid of that damn maf...i HATE those things |
03-25-2005, 05:30 PM | #7 | |
*** Banned ***
Member#: 16200
Join Date: Mar 2002
Vehicle:OK buy Nates beans westcoastroasting.com |
Quote:
...depending on where it is lean...like under 9 or 10 or so PSI.....mebbe.....but det kills subie motors QUICK!!!!!!!!! You can NOT det an EJ20 like you can a 4G63 and have it live long. One good hard knock will kill an EJ20. I predict a broken ring land on #4. |
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03-26-2005, 01:51 AM | #8 |
Scooby Newbie
Member#: 81820
Join Date: Feb 2005
Location: Taylorsville NC
Vehicle:2003 WRX sedan Sedona |
i'm sure hondas are much worse..........well, my last couple built engines were.... but, no biggie, i'm not worried about even seeing knock. jason's one of hte best tuners in the country, so he knows what he's doing
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03-26-2005, 10:28 AM | #9 | |
Scooby Specialist
Member#: 29735
Join Date: Nov 2002
Chapter/Region:
MAIC
Location: Westminster,MD
Vehicle:2011 JSW TDI - DSG 2008 EVO X MR |
Quote:
don't go too lean and not too much timing. Great advice! |
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03-26-2005, 11:23 AM | #10 | |
Scooby Newbie
Member#: 81820
Join Date: Feb 2005
Location: Taylorsville NC
Vehicle:2003 WRX sedan Sedona |
Quote:
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03-26-2005, 12:12 PM | #11 | |
*** Banned ***
Member#: 16200
Join Date: Mar 2002
Vehicle:OK buy Nates beans westcoastroasting.com |
Quote:
...well some of these n00bs pop their motors on the first pull 'cuz they tuned it 'jus lyk all dem udder jap karz'...... |
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03-26-2005, 12:30 PM | #12 |
Scooby Newbie
Member#: 81820
Join Date: Feb 2005
Location: Taylorsville NC
Vehicle:2003 WRX sedan Sedona |
it's funny you insist subaru's "are so different" but everything wants air/fuel/timing...just finding the right combination isn't THAT hard. an engine is an engine...they're all just big air pumps
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03-26-2005, 12:43 PM | #13 |
*** Banned ***
Member#: 16200
Join Date: Mar 2002
Vehicle:OK buy Nates beans westcoastroasting.com |
.....well.....just read the last sentence of post #7, again....well see how long it takes.
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03-26-2005, 12:44 PM | #14 |
Scooby Specialist
Member#: 5778
Join Date: Apr 2001
Chapter/Region:
South East
Vehicle:09 135i Jet Black |
You really don't need the EGT function with the EMS, I'ld settle for the UEGO, and MAP setup, thats all you're going to need. You get the right mapping and looking at EGT's won't matter.
there is a WRX locally running an EMS, which has put down some pretty good numbers. Tuning an AEM takes a LONG time for a street car since there are so many different maps in it. Decel and accel, all sorts of correction maps, cold start. It will take about 2 weeks, not a couple of hours to get it perfect. congrats on the purchase though, once you get it right you'll be amazed with it. |
03-26-2005, 12:47 PM | #15 |
Scooby Newbie
Member#: 81820
Join Date: Feb 2005
Location: Taylorsville NC
Vehicle:2003 WRX sedan Sedona |
i'm getting the built in w/b.....and am swapping over to a map only
that's honestly the biggest reason i want an EMS...i want rid of the damn MAF |
03-26-2005, 01:31 PM | #16 |
Scooby Specialist
Member#: 72680
Join Date: Oct 2004
Chapter/Region:
NWIC
Location: Tacoma/Spanaway/Graham
Vehicle:2013 Subaru STi Satin White Pearl |
Ive got am AEM EMS works great. I use the AEM wideband gauge interfaced with the EMS. There are tons and tons of different maps and settings in the EMS. As far as the EGT sensor if you already have a gauge just use that, However the EMS has 4 EGT inputs that can trim fuel for individual cyliders depends on the EGT this could be very useful for the suby since a few cyliders run hotter. This requires 4 AEM EGT sensors they are not the normal type. Here is a little info to get you going with the EMS.
1. Goto http://www.aempower.com and register for the aem electronics forums 2. Download the WRX Timing Error Update Firmware for your EMS. 3. DO NOT RUN THE MAF MAP ITS BAD!!, The EMS comes with a base map that will utilize the WRX Factory Map Sensor. You need to buy an AIT Sensor kit from AEM then you can elminate the MAF. The EMS uses the factory MAF for air temp correction only. 4. Lookup on the AEM forums the GM Boost Control Solenoid part number and the pigtail for it. The factory BCS is not very stable with the EMS and I was hitting 18.4 PSI on the stock turbo NOT GOOD. Follow the instructions for setting up the GM solenoid. GM solenoid is kindy noisy (clicks) but will hold your target boost very good. I am going to purchase the Perrin EBCS later on and test it out. That should get you going on the basics. Shoot me a PM or post here if you need help. The EMS is a very powerful engine management system, I dont understand why so many people in the subaru community look down upon it when its been proven time and time again elsewhere. |
03-26-2005, 01:47 PM | #17 |
Scooby Newbie
Member#: 81820
Join Date: Feb 2005
Location: Taylorsville NC
Vehicle:2003 WRX sedan Sedona |
Jdogg is my tuner.....if you're on the EMS board, i'm sure you've run accross him
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03-26-2005, 03:32 PM | #18 |
Scooby Specialist
Member#: 72680
Join Date: Oct 2004
Chapter/Region:
NWIC
Location: Tacoma/Spanaway/Graham
Vehicle:2013 Subaru STi Satin White Pearl |
well you should be good to go then if you got a tuner...
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