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Brakes & Suspension Forum sponsored by The Tire Rack |
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06-25-2008, 05:40 AM | #1 |
Scooby Newbie
Member#: 141182
Join Date: Feb 2007
Chapter/Region:
MWSOC
Location: Michigan/Illinois
Vehicle:96 Impreza Coupe Black |
08 2.5i and 08 Sti Suspension
I've done some research and found that the 2.5i and wrx suspension are compatible. But I cannot find wither or not the Sti's springs/struts are interchangable.
Any input? Scott
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06-26-2008, 03:29 AM | #2 |
Scooby Newbie
Member#: 141182
Join Date: Feb 2007
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MWSOC
Location: Michigan/Illinois
Vehicle:96 Impreza Coupe Black |
Anyone?
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06-26-2008, 09:43 AM | #3 |
Scooby Specialist
Member#: 108557
Join Date: Feb 2006
Chapter/Region:
NWIC
Location: King County
Vehicle:2003 PSM WRXWgn STG2 05 OBM LEGACY SDN |
The car's are so new I'm not sure anyone has tried the swap yet. As of right now this is an unknown quantity, and unless you have the cash to blow on being the guinea pig, and the suspension knowledge and mechanical aptitude to go it on your own, I'd say pass.
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06-26-2008, 09:43 AM | #4 |
GC84Ever
Super Moderator Member#: 301
Join Date: Sep 1999
Chapter/Region:
NWIC
Location: WA
Vehicle:1970 FF-1 & '70 Van 02 WRX/01 RS |
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06-26-2008, 09:47 AM | #5 |
Scooby Specialist
Member#: 108557
Join Date: Feb 2006
Chapter/Region:
NWIC
Location: King County
Vehicle:2003 PSM WRXWgn STG2 05 OBM LEGACY SDN |
I suppose one clue would be if the knuckles carry the same pn#....
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06-26-2008, 09:48 AM | #6 |
Former Vendor
Member#: 93646
Join Date: Aug 2005
Chapter/Region:
MWSOC
Vehicle:Many Track Records Let us help you go fast! |
Even if they bolt up the difference in track width between the STi and the 2.5i/WRX is a concern. This is provided the mounting points are the same. They may have moved them outward on the STi, but we still have yet to measure both and compare.
if they did move them outward to keep the motion ratio between the two cars the same then putting an STi setup on the non-sti will yield an STi ride (given equal or very close weight and distribution). If they did not move them, and the motion ratio is different then while the ride and handling may be an acceptable upgrade it will not be the same as the STi. We have not had a chance to get an 08 WRX or 2.5i into the shop to compare the two. In fact, if anyone in the cincy area would be willing to do this we, and the community at large would appreciate it. edit: Tony just confirmed to me that they will not just bolt up due to differences in front knuckle. Last edited by Turn in Concepts; 06-26-2008 at 11:14 AM. |
06-26-2008, 11:14 AM | #7 |
Former Vendor
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Join Date: Aug 2005
Chapter/Region:
MWSOC
Vehicle:Many Track Records Let us help you go fast! |
Edit:
The STI suspension will not bolt up as the fronts are different. The wrx uses Legacy knuckles that have a different clevis width and different bolt spacing. Tony |
03-24-2012, 02:14 PM | #8 |
Scooby Newbie
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South East
Location: Zephyrhills, FL
Vehicle:2016 WRX Dark Gray Metallic |
I have done it. The rears match up perfectly. The fronts required some modification and of course an alignment right after. Basically, the hole at the bottom where the bolts go through, one matches up the other is too high. I drilled a hole a little lower (not sure if I would reccommend but ive been on mine for over a year now with no problems) I'd say worth it if you can get them cheap like I did.
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08-15-2017, 10:55 PM | #9 |
Scooby Newbie
Member#: 472946
Join Date: Aug 2017
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Cost
How expensive is the wrx suspension to purchase and have put in on a 2.5i?
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08-21-2017, 10:02 AM | #10 |
Scooby Newbie
Member#: 473227
Join Date: Aug 2017
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I'm sorry don't mean to hijack this thread, but need to reply to post my own.
Looking for advice on replacing the whole knuckle on my 08 impreza after failing to remove my hub assembly (tried air hammers, torches, sledge hammers, etc) Any advice? |
08-22-2017, 12:30 AM | #11 |
Scooby Newbie
Member#: 198108
Join Date: Dec 2008
Location: Australia
Vehicle:MY98 WRX Blue |
Shop press ? And heat the knuckle (I'm guessing you removed the hub bolts )
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