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Old 10-15-2010, 04:08 PM   #1
crp98rs
Scooby Newbie
 
Member#: 173876
Join Date: Mar 2008
Chapter/Region: NESIC
Location: Worcester
Vehicle:
04 WRX JDM V8 swap
Java Black Pearl

Default differences between 2004 - 2.0 turbo and an 2004 - 2.5 turbo

Hello Nasioc

I'm in the process of swapping my 04 wrx 2.0 motor for an 04 STI 2.5 motor. I have run across one major bind and a few minor ones. the Major one is that there are what appear to be two nipples. On the back side of each head. I'm just looking for info as to what needs to be connected / where those need be connected. The other minor (or at least they seem to be minor) problems are a couple of sockets almost in the same area as these nipples. I don't have any plugs in the wiring harness to go into these sockets.



2.5 STI Passanger Side 2 Nipple



2.0 WRX Passanger Side 1 Nipple

I have pics of the other side but its just mirrored. Any help is greatly apperciated.

Thank you in advance Cory
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Old 10-15-2010, 04:46 PM   #2
Marnix
Scooby Specialist
 
Member#: 51480
Join Date: Dec 2003
Chapter/Region: International
Location: The Netherlands
Vehicle:
1984 AM5, 1994 BC4,
2010 BR5

Default

It' just an additional ventilation pipe. The 2.5 block has an extra breather on the crank case, and the extra pipe on each head are connected with this breather.
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