ScoobyNet.com - Subaru Enthusiast Forum - STi 3 heads on EJ207 or 257 block?

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hrubago

08 September 2003 10:23 AM

Is it possible?

hrubago

08 September 2003 10:56 AM

EJ207 is Sti 8 block
EJ257 is US spec Sti 2.5

David_Wallis

08 September 2003 11:17 AM

physically, yes.

hrubago

08 September 2003 11:21 AM

All holes and screws and oil and water lines in identical position?
Great news for me.
And for sure:
is the truth that Sti 8 improvement over Sti 7 is forged conrods?

Bob Rawle

08 September 2003 08:53 PM

Eurospec STi7 and STi8 engines seem the same in internal spec, least according to the parts book that is.

hrubago

08 September 2003 09:26 PM

And difference between quality of internals between US 2.5 and Eurospec Sti. Heard some rumours that US internals are not as good as JAP and Eurospec. But dont know why?

carlos_hiraoka

08 September 2003 10:29 PM

BTW did the STi ver 5 & 6 come with the EJ207 engine block ?????

Carlos H.

hrubago

08 September 2003 11:00 PM

No, sti 5 and 6 has the same block as in GT or Uk Spec EJ20

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