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Old 10-04-2004, 12:20 PM   #1
wRxbeater11
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Member#: 12682
Join Date: Nov 2001
Chapter/Region: Tri-State
Location: Middle East, Asia
Default Question on STI 2.5 and WRX Heads

OK Iv search a while last night and this morning and have two questions. First IM going to do a STI 2.5 block with my WRX heads. But not sure on which head gaskets to use? I was looking for something better then OEM STI head gaskets like Cometic. Does Cometic makes them for the 2.5 STI's yet? Also Since the STI 2.5 motor uses longer spark plug's then my WRX does which spark plugs do I use with this combo? Regular length spark plugs or the longer version spark plugs used on All USDM STI 2.5 motor? Thanks guys.


-Melo
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Old 10-04-2004, 12:51 PM   #2
Soon2Bgreat
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Chapter/Region: Tri-State
Location: Irvington, New York, USA
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1999 gc8 ver7 6mt
GT35R 504.7whp;)

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...2.0l plugs and oem gaskets i believe.
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Old 10-04-2004, 01:35 PM   #3
AWD_scooby
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03 WRX

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You use the STi gasket kit and 2.0L plugs, stock wrx headbolts.
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Old 10-04-2004, 05:52 PM   #4
LiquidForce
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Join Date: Nov 2001
Chapter/Region: South East
Location: Roswell Ga
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2002 2.5l Wrx
517whp/516wtq (Stage pi)

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Quote:
Originally Posted by AWD_scooby
You use the STi gasket kit and 2.0L plugs, stock wrx headbolts.
This is what I did.

The plugs should match the heads used.
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Old 10-05-2004, 12:31 AM   #5
doogie1
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Location: ohio
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2002 wrx STI HYBRID
wr blue

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I used the sti headgaskets,the rest of the gaskets i used from the 2.0, wrx one step colder ngk's and then i got 2.0l arp headstuds
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