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Old 01-15-2011, 01:21 PM   #1
Bluefoton
Scooby Specialist
 
Member#: 141373
Join Date: Feb 2007
Chapter/Region: E. Canada
Location: Quebec, QC
Vehicle:
2008 2.5i-hatch -
now with a HID retrofit

Default EJ251 Head gasket part nr

Car: 2003 OBS (EJ251, SOHC, MAP)

Dealer said 11044AA633. It's single metal layer, sandwiched in between black sheets.

Forum wisdom suggested 11044AA642 (04-06 sti EJ255 gasket). Multilayered AFAIK, seems a notch thicker. Dealer went when I mentioned it.

Decision?
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Old 01-15-2011, 07:27 PM   #2
yarrgh
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Member#: 80465
Join Date: Jan 2005
Chapter/Region: RMIC
Location: Aurora, CO
Vehicle:
2001 2.5RS
Black Diamond Pearl

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Go with what is designed for your engine, unless you have a very good reason to change.
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Old 01-16-2011, 04:58 PM   #3
Bluefoton
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Member#: 141373
Join Date: Feb 2007
Chapter/Region: E. Canada
Location: Quebec, QC
Vehicle:
2008 2.5i-hatch -
now with a HID retrofit

Default

Yeah you're right... but I'm worried about reliability. Since the NA gaskets were notorious to blow and they haven't been redesigned, while the STi ones hold well - I'm leaning towards the latter.
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Old 01-16-2011, 05:06 PM   #4
ballitch
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Member#: 74907
Join Date: Nov 2004
Chapter/Region: NWIC
Location: salem, OR
Vehicle:
98 cam'd EJ251
Wrx Tranny,slowr than ish

Default

What is this motor going to be, built for turbo in the future, DD? If this is just a HG job, just use the stock HG and call it a day.



~Josh~
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