Engine/Power - non turbo (All non turbo Imprezas) Who needs a turbo when you have 2500cc? Cams, intakes, exhausts, etc. The 2.2L and 1.8L Subies are cool too.

Motor Question

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Old May 29, 2006 | 01:48 AM
  #1  
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From: Maui
Car Info: monster truck
Motor Question

I have a 2005 RS. I was wondering if the Heads from the STi and RS were the same?

I amdebating on wether or not i should swap out my motor for an STi motor or for a wrx motor... or also if i could just change the block out for a sti block...

Lemme know what you guys know...
Thanks,

-Isaac-
Old May 30, 2006 | 01:39 AM
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bump bump bump.... does anybody know?
Old May 30, 2006 | 04:08 PM
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is this a stupid question? hahaha
Old Jun 1, 2006 | 03:41 PM
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Car Info: '06 Impreza 2.5i
Don't take my word for any of these becuase i have pretty limited knowdge here, but the STI is DOHC so i don't know if you can just attach that to the RS's SOHC or not.
Personally i wouldn't bother with the smaller wrx motor since they are smaller (2.0L i think (unless your MY06 or newer) I'd go with the STI's EJ257
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