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Old 03-16-2008, 08:47 PM   #1
yfz450bum
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Member#: 121525
Join Date: Jul 2006
Default ej25 swap

Alright, so i am posting for my uncle here. He owns a 1999 subaru legacy wagon automatic. It had the 2.2 litre motor in it. It recently blew up. And he was quoted way too much to fix it (not exactly sure what went wrong or how much they quoted him). So he recently went to a shop, and bought a jdm ej25. Normally aspirated. It was said to be from a wrecked car from japan. Now i am wondering will these motor swap directly into the legacy? They will not being doing the swap themselves. but i was just wondering if its a direct drop in. Any info would be nice, thank you very much.
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Old 03-16-2008, 10:36 PM   #2
Wiscon_Mark
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2003 Forester X 5MT

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I'd keep the EJ22 ECU, so you don't have to worry about tuning for higher Octane fuel. I couldn't give you all the specifics, but mechanically, it should be no problem.
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Old 03-16-2008, 11:36 PM   #3
gtwagon941
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2014 Audi S Q5

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I went the other way. From a EJ25 to an EJ22. It is "basically" a direct swap. There were some wiring issues with the gauges on the dash and some pins had to be swapped, but basically no issues.

My car ran on both the 2.5 ECU and the 2.2 ECU. Seemed to run better with the 2.2 ECU, and has been running on that for over 1.5 years now.

JS
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Old 03-28-2008, 05:44 PM   #4
yfz450bum
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sorry its been so long since i posted, however they have a few concerns. it seems as though the ej25 bell housing wont fit on the 22. do you have to drill the bell housing? or is it suppose to fit right up?
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Old 03-28-2008, 07:06 PM   #5
gtwagon941
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2014 Audi S Q5

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Excuse my noobness, but what is a bell housing?

We didn't have to drill anything when going from 2.5 to 2.2

Oh, and let me know if you are interested in buying a EJ25 ECU.

JS
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Old 03-29-2008, 02:04 AM   #6
ballitch
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98 cam'd EJ251
Wrx Tranny,slowr than ish

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Bolt pattern for ALL EJ series motors are the exact same. It should bolt right up to ANY EJ series transmission. However, some motors have 8 bolt bellhousings, which require you to tap in a stud for one of the starter bolts. Is this JDM motor DOHC, or SOHC?



~Josh~
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Old 03-29-2008, 03:47 AM   #7
yfz450bum
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it is dohc.

gtwagon-- i will let you know if it is needed. thank you.
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