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Old 10-13-2008, 10:03 PM   #1
vin0305
Scooby Newbie
 
Member#: 85808
Join Date: Apr 2005
Chapter/Region: NESIC
Location: East Haddam, CT
Vehicle:
2004 WRX
WR Blue

Default 2.5L/2.0L hybrid - Which flywheel/clutch do I need?

I'm in the process of having a 2.5L block from a 2005 STi build up with my 2.0L heads after throwing a rod bearing in my 2004 WRX. While the motor is out and since I'm (hopefully) going to be making some good power when I'm done, I want to change the flywheel and clutch to handle it. Question is, what do I need? Does the flywheel have to match up to the STi block, do I need to get an STi clutch to match the flywheel? How do I make this work, the 2.5 block with stock WRX tranny? I'm learning as I go along here
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Old 10-13-2008, 10:10 PM   #2
dirtyhartland
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Member#: 64298
Join Date: Jun 2004
Chapter/Region: NESIC
Location: Canton, CT
Vehicle:
2002 WRX
lazy and in pieces

Default

Your clutch and flywheel depend on your transmission. Using your existing parts would be just fine.
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Old 10-15-2008, 10:12 PM   #3
Dtown2point5
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Member#: 44702
Join Date: Oct 2003
Chapter/Region: RMIC
Location: Denver, CO
Vehicle:
2002 Impreza WRX
PSM

Default

You can use the clutch you already have.

Depending on how many miles were on your clutch though, you might consider replacing the clutch disc itself.
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Old 10-16-2008, 12:01 AM   #4
ballitch
Scooby Specialist
 
Member#: 74907
Join Date: Nov 2004
Chapter/Region: NWIC
Location: salem, OR
Vehicle:
98 cam'd EJ251
Wrx Tranny,slowr than ish

Default

Stock disc, and flywheel. But you might want to consider an upgraded pressure plate.


~Josh~
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