Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Cylinder head differences

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Old Sep 5, 2006 | 03:07 AM
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Jakes02's Avatar
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Car Info: 2002 WRX
Cylinder head differences

I was looking but didn't find much info.
I am trying to figure out the differences between cylinder heads. Is the EJ20t comparable to a EJ25t cylinder head (not including the cams,springs,etc.) or are the ports physically larger. Also would like info on JDM heads. Also, are the heads from the EJ20tt the same as the EJ20t? If anyone can give some detailed specs. on these cylinder heads I would appreciate it. Thanks

Last edited by Jakes02; Sep 5, 2006 at 03:46 AM.
Old Sep 6, 2006 | 06:24 AM
  #2  
Jakes02's Avatar
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From: Mount Vernon, Washington
Car Info: 2002 WRX
Unhappy

No info?
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