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Old 07-10-2010, 11:17 PM   #1
FasterPanda
Scooby Newbie
 
Member#: 251648
Join Date: Jul 2010
Chapter/Region: MWSOC
Location: Chicago
Vehicle:
2004 WRX
Red

Default 04 WRX to 07' trans swap

I was wondering if anyone can help me out here, I heard that this is possible and would like to do it to ensure that my car will be able to handle the new 2.5 shortblock I'm swapping into it.
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Old 07-10-2010, 11:34 PM   #2
dscoobydoo
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Member#: 57152
Join Date: Mar 2004
Chapter/Region: NWIC
Location: pacific Nw
Vehicle:
---- Subaru fleet
garage ( 5 and counting)

Default

Other than the 04 WRX and the 07 have different ratios, and you have to address that issue, they do bolt up.
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Old 07-16-2010, 12:35 AM   #3
dustyrocket
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Member#: 226042
Join Date: Oct 2009
Chapter/Region: MWSOC
Location: Tinker AFB
Vehicle:
2006 WRX
Gray

Default

keep in mind that the 07 trans has a 3.7 final drive ratio when you pick out the rear diff you are going to use. You will also need new axels if your 04 transmission has axel stubs. the clutch on your 04 is a pull type, and the 07 is a push type, so you will need a new clutch, new slave cylinder, and probably a new flywheel. If I think of anything else, I'll post it for you
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