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Evo X Engine Management / Tuning Forums Discuss the major engine management systems.
View Poll Results: Which Intakes should we develop maps for?
COBB Tuning SFI
39
12.83%
Injen
53
17.43%
AEM
106
34.87%
K&N Typhoon
35
11.51%
ARC
22
7.24%
AMS
117
38.49%
Multiple Choice Poll. Voters: 304. You may not vote on this poll

Poll: What intake maps for your AccessPORT? AEM avab now!

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Old Jan 10, 2009 | 02:46 PM
  #16  
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injen, aem and ams are probably gonna be the most popular applications
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Old Jan 10, 2009 | 03:23 PM
  #17  
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+1 Works drop in
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Old Jan 10, 2009 | 03:52 PM
  #18  
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From: 2003 Evo VIII - Silver
What about Buschur Racing ?
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Old Jan 10, 2009 | 04:08 PM
  #19  
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Luckily for us Al we don't need a calibration done, neither does the KN drop in filter. Like just dropping in a KN filter in the stock air box our filter kit retains the factory MAF sensor in the factory MAF tube, so no calibration needed for it.
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Old Jan 10, 2009 | 06:47 PM
  #20  
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Me want AMS!
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Old Jan 10, 2009 | 07:17 PM
  #21  
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HKS racing suction reloaded kit
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Old Jan 10, 2009 | 08:39 PM
  #22  
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aem for sure.
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Old Jan 11, 2009 | 08:11 AM
  #23  
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I can take my car back down to plano, and let Tim do some beta with the aem stage 2 package when heis back down there. I know u said the oregan site, but I do have the AEM sitting in my garage not on the car. I am curious to see if it would make any power.
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Old Jan 11, 2009 | 08:35 AM
  #24  
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Originally Posted by davidbuschur
Luckily for us Al we don't need a calibration done, neither does the KN drop in filter. Like just dropping in a KN filter in the stock air box our filter kit retains the factory MAF sensor in the factory MAF tube, so no calibration needed for it.
Well, even a cone or a drop in filter still causes the ecu to run a slightly lower load cell, even on a stock maf housing, and that could be dangerous on an already tuned car. Another member actually had issues with this already, which is one of the reasons this thread was created. He had the AP stage 1 with an HKS drop in, and the drop in leaned out the mixture enough to where he was seeing knock retard in his data logs. Perrin saw the exact same thing. Here is a write up from Perrin about this exact same issue, complete with link to the whole test:

"WE have been seeing tons of guys putting on filters with no tuning, and even drop in filters that "make 25HP." Well on that note, on a stock, unturned car, I am sure there is gains had by these, but its not because the intake is restrictive! Before we were done with both the above cars, we tried our panel filter and saw the exact same thing, 2-3 degrees of knock retard. But the exact same power?? Also they ran a little leaner??

Well the panel filter alone caused a pretty large change to the MAF readings and at the same RPM and boost the ECU thought it was seeing about 5-10% less airflow. IF the ECU was not tuned, this would have leaned it out (making power) and added timing (making power) and ran just fine. But on a tuned ECU, this is not a good idea!! Then add in the cone filter! Forget it! These are sooooo far off, there is no way I would put one on a car that is tuned unless there was a custom map for it. This process will take while and it is something we are working on.

The proper way is to make a new MAF curve and this isn't something that can be quickly accomplished on the dyno with the time it takes between flashes. So over the next few weeks, keep an eye on us releasing maps specific to intakes."

Here is the link to the whole write up, complete with dyno graphs, if anyone wants to see: http://perrinperformance.com/pages/show/100

Last edited by STi2EvoX; Jan 11, 2009 at 08:42 AM.
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Old Jan 11, 2009 | 09:23 AM
  #25  
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From: Madison, AL
Aem
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Old Jan 11, 2009 | 01:14 PM
  #26  
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As soon as you release the map for an AMS intake I can promise you a customer.

I have been patiently waiting for this day to arrive.
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Old Jan 11, 2009 | 03:21 PM
  #27  
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From: Huntsville,Al
Gruppe M +1 because I want your AP but if you have to map different intakes and the intake isn't on the list then I guess I would have to go with a different Tunning device
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Old Jan 11, 2009 | 04:16 PM
  #28  
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Hey guys, thanks for your input thus far. Sorry for the confusion on the K&N, that is a typo that we can't alter for some reason.

So far it looks like we will be looking into the AEM, the AMS and possibly a drop-in calibration.

For those of you looking for specific calibrations, we of course want to support as many applications as possible, but time and popularity are limiting factors. If you are considering an AccessPORT, but do not see your intake of choice on this list, please do not let that dissuade you from considering the AccessPORT. You will make more power with an AP, than with just bolt-ons.

If you have any specific questions, please do not hesitate to contact COBB or Surgeline directly, we are happy to answer your questions. Thanks for participating and please keep the comments and votes coming.
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Old Jan 11, 2009 | 05:09 PM
  #29  
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Agp
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Old Jan 11, 2009 | 05:25 PM
  #30  
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Ets
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