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Old 08-20-2003, 12:20 AM   #1
supermoose
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Member#: 9093
Join Date: Aug 2001
Location: SF
Vehicle:
1995 RHD STi RA Ver2
swap starr

Default clutch compatibility between JDM /USDM

okay. so having to find this out on my own, this is what ive learned (rallispec = smart)

the gc8 turbo flywheel is 225mm bolt pattern, it takes 225mm clutch disc, and pressure plate

gda turbo flywheel is 230mm, 230mm clutch disc and pressure plate for 230mm.

newer = bigger.

throwout bearing, pilot bearing are compatible,

im guessing that old ej22 legacy has the same clutch setup as the impreza GC8 turbos, so it would use 225mm bits. can anyone verify that / measure it?

if u want to use GDA complete clutch setup (incl. flywheel) with GC8 turbo car trans, it shoudl work just fine. other way around too, if u are in a pinch or weird funny situ.

cools

h
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Old 08-20-2003, 01:25 AM   #2
AWJunkies
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Join Date: Feb 2003
Location: Dallas
Vehicle:
99 2.5RS JDM WRX
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GC8 turbo? aftermarket? one thing is Gc8 is push type clutch and US WRX and JDM WRX are pull type clutch. Totally different design. Pressure plates are different and throwout bearings. Also, the slave cylinder for clutch is different. Oh ok i guess you are talking about legacy tranny not 2.5rs. Still helpful info.
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Old 08-20-2003, 03:12 AM   #3
supermoose
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Join Date: Aug 2001
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1995 RHD STi RA Ver2
swap starr

Default gc8 turbo

gc8 turbo is refering to JDM where real gc8's exist. there are no actual gc8's that were USDM sold.


im talking about the gc8 body style Japense turbo transmission taht came on the turbo car.


just to clear it up.


all turbo trans have the same setup.

h
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Old 10-15-2012, 09:09 PM   #4
Jordan Gerein
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Chapter/Region: W. Canada
Location: Regina, SK
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96 Subaru Wrx Sti
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I need a new clutch slave cylinder for my 96 jdm gc8 sti. does anyone know the part number of the slave cylinder I need?
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