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Old 05-18-2005, 04:53 PM   #1
V6
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Member#: 2703
Join Date: Oct 2000
Location: Edmonton, AB
Vehicle:
Y2K GC8
Silver forever

Default some question on engine swap on a GC8

Hello,

Some questions about the engine swap of GC8 with STi V7/V8 or USDM STi

if we swap the engine,then should we buy the exhaust/downpipe /up pipe parts for V7/V8/USDM STi or for the JDM GC8?

For the cruise control and air conditioning, should we use the one on the 2.5RS or we have to use others?

Thanks
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Old 05-18-2005, 06:47 PM   #2
Zaskar
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Member#: 3770
Join Date: Jan 2001
Location: Montréal, Québec, Canada
Vehicle:
MY00 GC
MY05 GD

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If you use the JDM air conditioning, you'll have to disconnect hoses and you'll loose the gas. So keep your GC8 unit.
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Old 05-18-2005, 07:14 PM   #3
subbyspeed
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Join Date: Mar 2002
Chapter/Region: MWSOC
Location: Columbus,OH
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2001 GM6 2.0L vf30
e30 black/rust

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you'll have to relocate the cruise control acuator if you keep it.. I just ditched mine.
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Old 05-18-2005, 07:19 PM   #4
speedyHAM
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Location: "They eat fish soaked in lye"
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XP class Impreza L

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Buy whatever exhaust you want. They all fit, but if you buy a JDM downpipe you will have to have something custom made or buy a JDM mid-pipe and catback as the JDM is about 2 inches shorter than the US versions. One exhasut hanger from the wrx/sti will not line up on the GC8. That's the only difference.
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Old 05-18-2005, 07:32 PM   #5
I am Frakk
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Join Date: Apr 2003
Chapter/Region: SCIC
Location: No more GC8 :(
Vehicle:
01 R.I.P. My GC8
07 WRX WAG0nz FTW!

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Quote:
Originally Posted by speedyHAM
Buy whatever exhaust you want. They all fit, but if you buy a JDM downpipe you will have to have something custom made or buy a JDM mid-pipe and catback as the JDM is about 2 inches shorter than the US versions. One exhasut hanger from the wrx/sti will not line up on the GC8. That's the only difference.
ditto; but pretty much any USDM exhaust will work, my current setup is a WRX Stromung Dual tip, and the only issue is the muffler third hanger, which in my opinion is worthless, the two muffler hangers should work if you have stiffer exhaust bushings, like the kartboy.
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