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Old 07-23-2008, 07:57 PM   #1
P&L Motorsports Inc.
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Default 2006 STI AEM EMS work on a 35R


First off, sorry about the SAE correction. I can't stand showing an artificially inflated number, was a snafu during printing. Otherwise, the non corrected numbers are exactly 10WHP under these.

We were one of the shops AEM trusted to do initial testing of their new 1821 EMS.

Unfortunately one of the cars we wanted to use got into a minor fender bender so it just got back from the body shop and we couldn't wait to toss the EMS on it.

This is "Fast Eddie's" 35R setup running 100 unleaded on our 1.06A/R 35R kit.

Since we're only running AEM's 3.5BAR MAP, we have it tuned to 29 PSI.

When comparing this to the last setup we did on his AP it is pretty dramatic when I can apply some of my tricks that the EMS allows me.

Overall, the biggest differences are in the drivability, but I'll let Eddie get on here later and comment on it.

Oh yeah... he's still on 1000 CC injectors, and has a set of 1600's waiting to go because we're still severely maxed out by 6400.

-Jorge
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Old 07-23-2008, 08:16 PM   #2
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would driveability not go down the toilet with the 1600cc injectors??
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Old 07-23-2008, 08:22 PM   #3
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Nice increase in numbers!! Is this to be expected with a lot of subies from switching from a APV2 to a stand alone like the AEM?
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Old 07-23-2008, 09:01 PM   #4
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Thanks guys.

Drivability is all about the tuner. I've never had a problem getting 1600's to purr.



Cell: If you consider the ability to lose the MAF, and go to a true 4" filter in the case of the rotated turbo's, then yes.

Ironically, Fast Eddie's still on our 3.5" intake, so there's even MORE to be had here if I follow my own advice.

-Jorge
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Old 07-23-2008, 09:08 PM   #5
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Congratz! About time the testing on the AEM EMS for STi's came out!
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Old 07-23-2008, 09:34 PM   #6
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Quote:
Originally Posted by P&L Motorsports Inc. View Post
Thanks guys.

Drivability is all about the tuner. I've never had a problem getting 1600's to purr.




-Jorge
ahh, but how do you deal with the injectors sometimes failing to open at extremely low throttle positions? Or is this more easily taken care of on the DBW applications compared to the drive by cable setups?
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Old 07-23-2008, 10:52 PM   #7
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Does the AEM EMS have multiple MAP's that can be changed on the fly without a laptop?
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Old 07-24-2008, 02:20 AM   #8
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hey guys,
while driving, the most noticeable difference is in cruising conditions. before with the maf reading and neglegable boost leak, it seemed to stumble at cruising speeds (65-85mph). even sitting at a redlight, i would glance at the afr guage and it would be all over the place. now its all smooth and power delivery is much more consistent. as soon as i get the 1600's in I'll have jorge revisit the map and get some more umph out of it. i wanna thank jorge for the great tune and the P&L crew for all their support!!!! mid 10's here i come!!!
"fast eddie"
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Old 07-24-2008, 02:55 AM   #9
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Pretty sick!!
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Old 07-24-2008, 04:15 AM   #10
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Can we please put some real gas in the car and crack 600 already?!

-Ty
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Old 07-24-2008, 05:45 AM   #11
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Speed density FTW.

What are your mods on the car?
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Old 07-24-2008, 11:53 AM   #12
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SA-WEET.
So 560ish on 100oct? What was the ole man putting down on the AP before? it was right around 520 or so, right?

on a side note, does Eddy really NEED anymore power
Those poor axles...
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Old 07-24-2008, 01:11 PM   #13
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Yeah, I agree. Eddie really should graduate out of that Stage 3 RAW performance motor and seriously consider just going straight up to a Stage 5 with all the power he's now making, AND how he drives the car.

Might have to do that sooner then later. IIRC, I have one of those in stock also.

TAPOUT: The short answer is no. It's a true standalone. While the process of changing maps is brainless, the fact remains you do need SOME way of hooking a serial port up to a serial port on some PC/Laptop.

-Jorge
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Old 07-24-2008, 02:22 PM   #14
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Quote:
Originally Posted by TAPOUT View Post
Does the AEM EMS have multiple MAP's that can be changed on the fly without a laptop?
Yep

Quote:
Originally Posted by P&L Motorsports Inc. View Post

TAPOUT: The short answer is no. It's a true standalone. While the process of changing maps is brainless, the fact remains you do need SOME way of hooking a serial port up to a serial port on some PC/Laptop.

-Jorge

Not necessarily, we hook up a toggle switch and wire it to the AEM AUX input. You basically tune the car on pumpgas or whatever you are driving on. Then you flip the switch and tune the AUX fuel/timing maps. When you flip the switch it will throw the AEM to the AUX maps and you will have your 2nd map engaged.
If you run a AEM boost solenoid you can also turn up the boost with the flip of the switch.

We do this to run separate pump gas, race gas or pump + meth maps.
You can do all sorts of cool **** like have the AEM turn on the CE light to let you know that you are on the AUX map etc.

Junior

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Old 07-24-2008, 02:26 PM   #15
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Yeah, only major problem is that there are still a bunch of maps that are changing, that's why I say no. Most people are going to profile the valve control #1 and #2 maps differently (AVCS), and that's something I can't switch. Not yet, at least.

-Jorge

Quote:
Originally Posted by Junior2JZ View Post
Yep




Not necessarily, we hook up a toggle switch and wire it to the AEM AUX input. You basically tune the car on pumpgas or whatever you are driving on. Then you flip the switch and tune the AUX fuel/timing maps. When you flip the switch it will throw the AEM to the AUX maps and you will have your 2nd map engaged.
If you run a AEM boost solenoid you can also turn up the boost with the flip of the switch.

We do this to run separate pump gas, race gas or pump + meth maps.
You can do all sorts of cool **** like have the AEM turn on the CE light to let you know that you are on the AUX map etc.

Junior

Junior
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Old 07-24-2008, 02:28 PM   #16
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Quote:
Originally Posted by P&L Motorsports Inc. View Post
When comparing this to the last setup we did on his AP it is pretty dramatic when I can apply some of my tricks that the EMS allows me.
ooooooooh do tell!

can we get an overlay of AP vs. AEM?
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Old 07-25-2008, 03:47 PM   #17
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Quote:
Originally Posted by JackHammer View Post
ooooooooh do tell!

can we get an overlay of AP vs. AEM?


This is an older plot from when we originally did it, but it should get the point across. Check out the difference in torque!

-Jorge
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Old 07-25-2008, 04:07 PM   #18
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i'm sorry a little new to the Subaru world. but I had some questions if anyone could help me.

Will this EMS be plug and play? Does it control Throttle by wire? (Or does it piggyback and allow the stock ecu to still handle that?)

are you on a 100% Speedy Density? (like most AEMS) or is it like the Utec where it is half and half?

lastly do we know when this should be hitting the market? and for how much?

Thanks for posting the results!
and Thanks for anyone who helps and answers the questions!
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Old 07-25-2008, 05:11 PM   #19
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Looks great Jorge. That's one monster of an STi!!
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Old 07-25-2008, 05:11 PM   #20
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Quote:
Originally Posted by rcebowl View Post
i'm sorry a little new to the Subaru world. but I had some questions if anyone could help me.

Will this EMS be plug and play? Does it control Throttle by wire? (Or does it piggyback and allow the stock ecu to still handle that?)

are you on a 100% Speedy Density? (like most AEMS) or is it like the Utec where it is half and half?

lastly do we know when this should be hitting the market? and for how much?

Thanks for posting the results!
and Thanks for anyone who helps and answers the questions!
The new box is plug and play, runs the DBW and is Runs 100% SD.
Previous to this we had to use a jumper harness and wire in the AEM as a piggy back. This would allow the OEM ECU to control the DBW function.

Junior
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Old 07-25-2008, 07:38 PM   #21
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that's awesome! .. when is it suppose to come out? or is it already out?
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Old 07-25-2008, 07:53 PM   #22
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damm i want this now
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Old 07-25-2008, 09:54 PM   #23
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Looks good. Wow!
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Old 07-28-2008, 03:01 PM   #24
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Quote:
Originally Posted by rcebowl View Post
that's awesome! .. when is it suppose to come out? or is it already out?
Already out!

-Jorge
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Old 07-28-2008, 03:42 PM   #25
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