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Old 03-18-2009, 12:59 PM   #1
Scooby Newbie
Member#: 193644
Join Date: Nov 2008
Location: Illinois
2002 WRX Wagon
Platinum Silver Metallic

Default USDM 05 STI Longblock into 02 bugeye

Is there any easier way to have the AVCS work on the 05 Block and heads with a modified harness and a JDM ECU or something other then a hydra?

I have been lead to believe that the JDM V7 STI ECU will not control USDM heads. I have the setup and just figured if i could use it i would. If its a pain in the arse then i would just port the WRX heads and go full hybrid instead of just bolting on my wrx intake and porting the STI heads.

Any thoughts would be appreciated.

I was thinking at the minimum would be to replace the solonoids with JDM in the USDM head.

Thanks in advance
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Old 03-18-2009, 06:52 PM   #2
Scooby Specialist
Member#: 118239
Join Date: Jun 2006
Chapter/Region: SCIC
Location: Beijing and Venice Beach
2002 Built Wagon
Wife- 2004 Outback SE


You could bag the AVCS, plug the holes in the cams and run the bigger heads with a few sensor adaptors.
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Old 03-18-2009, 10:42 PM   #3
Scooby Guru
Member#: 23553
Join Date: Aug 2002
Chapter/Region: MAIC
Location: Slippery Rock, PA
2005 STI - Insanity!
2014 WRX - Daily


Whats wrong with using a Hydra?
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