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Old 03-12-2003, 10:20 PM   #1
DocDetroit
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Member#: 24977
Join Date: Sep 2002
Location: Waterford, Mi
Vehicle:
2003 WRX
Blue

Default STi injector o-ring question

I know I saw a post on this a while back, but I can't seem to find it.

When installing STi injectors are you supposed to use the STi o-rings or the stock injector's o-rings?

To further muddy the waters I'm installing a Perrin fuel rail too.

Thanks!
Doc
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Old 03-12-2003, 10:23 PM   #2
Quick WRX
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Join Date: Jun 2002
Location: Dana Point
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2002 GDA TXS stg 4+
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The STi injectors should have a O-ring on them, on the top. You re use the thick foam ring that go's between the intake manifold and the injector.
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Old 03-13-2003, 01:20 AM   #3
norseone
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Yeah. New STi injectors do not come with the lower O-ring thingie. You will see what we are talking about when you actually do the install.
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