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Old 01-08-2005, 09:34 PM   #1
Scooby Newbie
Member#: 77180
Join Date: Dec 2004
Default ECUs for STI Engine swaps

I was wondering what ECUs you all are using on 2.0L STi and Spec-C engines? I am hoping to get a V7 or V8 RA Spec-C engine to swap into my 02 WRX sometime this year. I want to retain the AVCS system, but am looking for an aftermarket ECU so that I can have better tuning options. Right now, I am thinking about using the Stock ECU for AVCS and using a TEC-III for the rest of the engine management and ignition. That setup is kinda pricey though, and I am not quite sure if the TEC is really as good as the advertising makes it seem.
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Old 01-09-2005, 12:04 AM   #2
NASIOC Supporter
Member#: 177
Join Date: Aug 1999
Chapter/Region: NWIC
Location: Austin, Texas, USA
The 93 W/EJ20K-sold
Subaru-less :(


use the stock ecu and add the avcs "kit"
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Old 01-09-2005, 12:29 AM   #3
Scoobie Steve
Scooby Specialist
Member#: 2289
Join Date: Sep 2000
Chapter/Region: Tri-State
Location: Bangor, PA
1998 [email protected]
Subaru L Ver 6 STi Type R


There are NO ecu's better then factory. Dont get a Tec 3, just flash the factory ecu. Doing that will save you many sleepless nights
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Old 01-09-2005, 01:52 PM   #4
Scooby Guru
Member#: 10853
Join Date: Oct 2001
Chapter/Region: South East
Location: -=ATL=-
2013 BRZ LTD
Satin White Pearl


Or, use a Hydra.
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Old 01-10-2005, 01:14 AM   #5
Scooby Specialist
Member#: 33901
Join Date: Mar 2003
Location: San Diego
04 04 STI
No AWD, Not interested

Impreza GC8

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