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Old 03-29-2009, 07:42 PM   #1
parkes
Scooby Specialist
 
Member#: 166898
Join Date: Dec 2007
Chapter/Region: W. Canada
Location: Canada
Vehicle:
1994 T leg SS
ABM

Default Probably not but i thought i would ask...

Will phase 2 ej22 sohc heads fit and work on a phase 1 ej25 block?


Dont ask why...
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Old 03-30-2009, 10:47 AM   #2
yebokmj
Scooby Specialist
 
Member#: 2213
Join Date: Aug 2000
Chapter/Region: South East
Location: Raymond, NH USA
Vehicle:
1995 Impreza w/EJ257
Brilliant Red

Default

Yes,
I'm not sure which headgasket you should use or what the ending compression will be but it will bolt up. If you do a search there is probably more info.
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Old 03-31-2009, 12:57 AM   #3
ballitch
Scooby Specialist
 
Member#: 74907
Join Date: Nov 2004
Chapter/Region: NWIC
Location: salem, OR
Vehicle:
98 cam'd EJ251
Wrx Tranny,slowr than ish

Default

Yes. Use the HG that goes to your block.

As far as Phase II EJ22 heads, are you talking about post-1996 heads? Or the actual Phase II EJ22 heads that look exactly like SOHC EJ25 heads on the outside?

In any case they will both bolt right up and the CR will be damn near the same for either one. Be sure to run premium gas with that motor. You might be able to get away with mid grade gas, but I never chanced it.



~Josh~
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