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Ej25 turbo


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This is an NA+Turbo Build, if that's what you want. And you'll need to get on the forums to read up on it. RS25.com may be a good source as similar 2.5's were used in the '99-'04 Impreza RS. And there are many who've attempted this....some success, but if you get greedy w/the boost you'll be buying a new engine.

 

 

The EJ252 was an oddball NA 2.5 from the EJ251/2/3 series. i've read the 252 was used on MT/AT '00- '04(?).

 

......and there never was a USDM Legacy/Outback turbo from '95-'05 - except for the '04 Baja, as stated.

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I've heard the 251 and 252 are built on the same internals but the throttle body is different and I think the Intake. I could be wrong but that's what I've heard. But its really hard to find anything for the 252s that isn't OEM. But 251 after markets are everywhere.

 

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This is an NA+Turbo Build, if that's what you want. And you'll need to get on the forums to read up on it. RS25.com may be a good source as similar 2.5's were used in the '99-'04 Impreza RS. And there are many who've attempted this....some success, but if you get greedy w/the boost you'll be buying a new engine.

 

 

The EJ252 was an oddball NA 2.5 from the EJ251/2/3 series. i've read the 252 was used on MT/AT '00- '04(?).

 

......and there never was a USDM Legacy/Outback turbo from '95-'05 - except for the '04 Baja, as stated.

I believe the impreza had the 251 in it. Which some legacys do and some don't. Mine is the 252. And for the life of me I can't see a difference between the 2 motors.

 

Sent from my LG-K428 using Tapatalk

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  • 2 weeks later...
Yes. I mean for the NA 251 and 252 . Is there any fundamental difference? Any different build design or parts? Because from everything I've seen they fit together like legos. Completely interchangeable.

 

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Different intake and MAP sensor. Possibly Calif. emissions and/or possibly manual trans only.

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