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Old 02-14-2012, 01:17 PM   #1
shilohb
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2005 604whp/543wtq
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Default is there any way to use accessport with a hybrid

I have a built 05 sti with non avcs heads
is there any way to run accessport instead of hydra or aem??
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Old 02-14-2012, 04:28 PM   #2
Cobb Tuning
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Oopsie! See below

Ian

Last edited by Cobb Tuning; 02-14-2012 at 06:31 PM.
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Old 02-14-2012, 06:31 PM   #3
Cobb Tuning
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So I talked with a few of our calibrators here to verify the information posted earlier and I was a bit wrong.

The cam position sensors are different on the heads and the signals are generated differently. Therefore you can't use the 2.0L heads on a 2.5L ECU using the AccessPORT.

But, using 2.5L heads with some bigger cams would allow you to make the top end power you need while still being able to use the AccessPORT and the stock 2.5L ECU.

Ian
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Old 03-01-2012, 12:13 PM   #4
tundra
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Sorry for the thread jack, but I have a similar question for you Ian.

Right now I have an 02 WRX, AP V2 (for the 02 ecu), built shortblock, 2.0L heads with oversized valves. Can my car be tuned with the AP or will I have to go stand-alone?


Background: I had my car Pro-Tuned but the tuner was having problems with false knock. The car would pull timing like crazy but all indications showed no evidence of any real knocking. Afterward I checked my compression (it was fine), verified there was no metal to metal vibration in the engine bay, and cleaned the maf..... still the same result.

Have you guys ever experienced this? I'm afraid I might have to go stand-alone and custom recalibrate the knock correction due to a noisier than OEM longblock..... I realize that the oem ecu is limited in this way.

Any input that you guys might have would be extremely helpful, thanks!
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Old 03-05-2012, 12:10 PM   #5
turboge
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Quote:
Originally Posted by tundra View Post
Sorry for the thread jack, but I have a similar question for you Ian.

Right now I have an 02 WRX, AP V2 (for the 02 ecu), built shortblock, 2.0L heads with oversized valves. Can my car be tuned with the AP or will I have to go stand-alone?


Background: I had my car Pro-Tuned but the tuner was having problems with false knock. The car would pull timing like crazy but all indications showed no evidence of any real knocking. Afterward I checked my compression (it was fine), verified there was no metal to metal vibration in the engine bay, and cleaned the maf..... still the same result.

Have you guys ever experienced this? I'm afraid I might have to go stand-alone and custom recalibrate the knock correction due to a noisier than OEM longblock..... I realize that the oem ecu is limited in this way.

Any input that you guys might have would be extremely helpful, thanks!
You can certainly tune the ECU using the AccessPORT for this kind of configuration. I have a hybrid 2.5L just like you and have been able to tune the car quite easily using the AccessPORT/AccessTUNER combo. There are some knock sensitivity tables that are exposed in the latest TUNER release that can help alleviate the false knock these types of builds produce. I have been able to produce a reliable 500whp on this setup so far with zero issues tuning.
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