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Old 02-07-2011, 10:43 AM   #1
millertime21
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Member#: 224474
Join Date: Sep 2009
Chapter/Region: MWSOC
Location: Appleton, WI
Vehicle:
2002 PSM WRX
STi Swaped Bugeye

Default JDM Version 7 & Version 8 ECU question

Hi,

I have a 02 wrx with the stock 16 bit ECU and im putting in an 05 STi long block with AVCS and a 04 STi transmission. My question to you all is what ECU do I need to purchase to make my avcs work? I don't want to deal with taking out and replacing my entire engine wiring harness and i heard that if u get the right ECU u can run AVCS without doing that whole swap...is this true? Please chime in with info.
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Old 02-07-2011, 10:50 AM   #2
fastnoypi
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Member#: 6886
Join Date: May 2001
Chapter/Region: Tri-State
Vehicle:
MY01 EJ207 HTA35r
AVCS ON!

Default

you need the matching 05 STi ecu for the 05STi long block. Dont mix usdm with jdm
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Old 02-07-2011, 10:51 AM   #3
millertime21
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Member#: 224474
Join Date: Sep 2009
Chapter/Region: MWSOC
Location: Appleton, WI
Vehicle:
2002 PSM WRX
STi Swaped Bugeye

Default

so even if i got the JDM v7 or v8 ecu I would be messing with something else?
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Old 02-07-2011, 11:24 AM   #4
fastnoypi
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Member#: 6886
Join Date: May 2001
Chapter/Region: Tri-State
Vehicle:
MY01 EJ207 HTA35r
AVCS ON!

Default

the avcs solenoids are different between the markets, you'd be chasing your tail if there are other unexplainable issues to troubleshoot.
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