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09-27-2008, 06:06 PM | #1 |
Scooby Specialist
Member#: 64128
Join Date: Jun 2004
Chapter/Region:
NWIC
Location: Burien,WA
Vehicle:86 Lifted, Lowered 96 |
??'s on 96 impreza 2.2 to 98 2.5
so im putting a 98 legacy DOHC 2.5 into my 96 impreza outback with a single port 2.2.
ive read through ALOT of threads and it seems like i just need to swap the wiring harness from the 2.2 engine onto the 2.5 engine and thats it. and run the 2.2 ecu and i should be fine. i know the exhaust is different so i have a borla header waiting. anything else i need please let me know. but i mainly need to know on the wiring if there is anything else i need to do to ge this to run. this will be done on my day off at my work (we have a lift and its a subaru wrecking yard so any parts i need i have) and it needs to be done in 1 day prefered, but 2 is ok if need be. Thanks, Shean
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09-28-2008, 12:01 AM | #2 |
Scooby Guru
Member#: 159682
Join Date: Sep 2007
Chapter/Region:
NESIC
Location: Maine
Vehicle:1995 WRX 2015 F150 |
You don't even have to swap the engine wiring harness. The one on the 98 2.5 dohc will just plug in to the existing 96 bulkhead harness. It's just that easy.
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09-28-2008, 02:14 AM | #3 |
Scooby Specialist
Member#: 64128
Join Date: Jun 2004
Chapter/Region:
NWIC
Location: Burien,WA
Vehicle:86 Lifted, Lowered 96 |
dam its that easy? the 98 2.5 was a auto car so it has a EGR, so i should just keep my 96 2.2 ecu and it will be fine?
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09-28-2008, 10:28 AM | #4 |
Scooby Guru
Member#: 159682
Join Date: Sep 2007
Chapter/Region:
NESIC
Location: Maine
Vehicle:1995 WRX 2015 F150 |
Yeah it'll be fine. The egr will be there but just not do anything.
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09-28-2008, 11:42 AM | #5 |
Scooby Specialist
Member#: 64128
Join Date: Jun 2004
Chapter/Region:
NWIC
Location: Burien,WA
Vehicle:86 Lifted, Lowered 96 |
schweet thanks for the help
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10-02-2008, 01:50 AM | #6 |
Scooby Newbie
Member#: 92367
Join Date: Jul 2005
Location: virginia
Vehicle:1995 legacy |
I am also curious. If he uses the 2.5 injectors, fuel rail, and manifold, would he need to use a 2.5 fuel pump or will the 2.2 fuel pump work. The reason I ask is I am doing a similar swap. I have a 97 2.2 impreza that im swapping in a 97 2.5. and want to use the whole 2.5 engine and just run that with my 2.2 ecu. Is the 2.2 fuel pump capable or should I just use the 2.2 injectors, manifold, and ecu? Sorry for the partial hijack
Thanks in advance |
10-02-2008, 07:14 AM | #7 |
Scooby Guru
Member#: 5218
Join Date: Mar 2001
Chapter/Region:
MWSOC
Location: SAUL'S Motorsports
Vehicle:96L Most Over- Developed Beater |
The stock pump will be sufficient. A WRX pump would be an upgrade, but not necessary at all.....
Jay |
10-02-2008, 08:55 AM | #8 | |
Scooby Guru
Member#: 159682
Join Date: Sep 2007
Chapter/Region:
NESIC
Location: Maine
Vehicle:1995 WRX 2015 F150 |
Quote:
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10-02-2008, 10:49 AM | #9 |
Scooby Newbie
Member#: 155937
Join Date: Aug 2007
Chapter/Region:
South East
Location: NC
Vehicle:1995 Impreza w/EJ255 Red |
The ecu's are plug and play as well. I would used the appropriate ecu for the engine. You will get a higher redline and 100% proper mapping.
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10-02-2008, 12:02 PM | #10 |
Scooby Guru
Member#: 159682
Join Date: Sep 2007
Chapter/Region:
NESIC
Location: Maine
Vehicle:1995 WRX 2015 F150 |
Yes they are somewhat. Just watch out for different emisisons setups. Some have the canister under the hood and some have the enhanced evap with the canister in the back and a few more sensors. Those don't interchange with out adding sensors and wiring.
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