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Old 03-02-2002, 04:40 AM   #1
supermarkus
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Member Sales Rating: (13)
 
Member#: 6971
Join Date: May 2001
Location: Edmonds, Washington, USA
Vehicle:
2008 WRX STi
SSM

Talking STi stuff installed!





Mad props to adamsrs and Areg (wrxonly) for getting my mounts, engine and tranny, to me a month ahead of schedule. I left work early today to install my KYB AGXs, STi Group N strut top mounts, and Eibach springs but as I was leaving a package arrived. It was a complete surprise to me and it contained left and right Group N engine mounts and tranny mount.
horatio102 was kind enough to help me install the suspension stuff and while we had the car up on jack stands we thought we might as well do the tranny mount. Thanks so much Nick, I owe you.
The strut top mounts were cake to install despite not having air tools, we improvised a little to loosen the center bolts on the struts. These pieces are rock hard compared to the stock tops and do indeed transmit a tad more noise into the passenger compartment. But in conjunction with the AGX struts, they eliminate the weird oscillation I was getting over bumpy surfaces with just MRT springs and stock struts/tops. Now the snow tires are the only mushy part of my suspension. Even with the snow tires, the suspension soaks up a lot more of the imperfections giving me a stock like ride with little body lean.
The Eibach springs feel slightly more firm than the MRT springs while they lower the car roughly the same amount. I have a hard time distinguishing between the two ride heights. Also, for some reason, the MRT springs are much much heavier than the Eibachs. So far the springs are very comfortable, not bouncy at all, especially with the AGXs.
The tranny mount was a bear to install compared to the struts. We had to loosen a whole bunch of cross members and jack the engine up almost an inch and a half to swap the mounts. The STi tranny mount is rock solid where the stock mount would flex like crazy. The difference is quite noticable. Yes, there is increased NVH, yes it is tolerable, and yes my shifter feel has improved. I'm running a BPM short shifter, Kartboy bushings and this combo with the new tranny mount is nothing short of great. I used to have a hitch in my 2-3, 4-5 shift under load, like when I'm shifting a little too quickly. Now the shifter just slots home whenever I throw it. It seems like shift effort has decreased slightly going into 5th. I had a complaint about 5th gear where it felt waaaaay out there compared to the rest of the gears but now I can't complain about it. It feels like it's much closer to the same spacing as the rest of the gates. That's all I can report on right now. I'll do a write up on the struts after I get a good alignment done.

edit:
Here's a web page with some images taken after the install.
http://homepage.mac.com/supermarkus/PhotoAlbum4.html

enjoy.
Mark
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Last edited by supermarkus; 03-02-2002 at 12:58 PM.
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Old 03-03-2002, 03:31 AM   #2
supermarkus
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Join Date: May 2001
Location: Edmonds, Washington, USA
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2008 WRX STi
SSM

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Web page updated.

Wheels have been aligned and my 17s are back on.
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Old 03-03-2002, 11:46 AM   #3
supermarkus
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2008 WRX STi
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Ok, so I've had a day to play around with the settings for the struts. Here's what I've found so far.
The difference is night and day with the adjustable struts. Set at 2 f/ 4 r the car is very planted and the Eibach springs are much more compliant in the first bit of travel so impacts were softer over smallish bumps. Despite feeling a little softer, the body lean is cut down dramatically over the stock units. But over big bumps the springs felt stiffer than the MRTs, I'm not sure what the spring rates are for the MRTs but the Eibachs are about 190 front 160 rear.
When I crank the struts up to 4f / 8r they easily overwhelm the springs, giving me a really go-kart like feel with very little body lean. Almost as if I had my rear sway bar turned up to 22 mm, which is my next adjustment after I get used to the setup.
For now I just roll with 2f / 4r and 20mm rear sway in the back. The Eibachs give me about 1.3" drop up front and slightly more than an inch drop out back. I got mine from german-autowerks.com for $210 shipped, thanks for the great, prompt service Gary.
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Old 03-03-2002, 09:52 PM   #4
adamsrs
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GLAD WE COULD HELP! Come give me a ride in your car! Im in Seattle!
adamsrs
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Old 03-05-2002, 07:21 PM   #5
Ferg
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'10 4Runner

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Your car's really coming together. Nice set up.

What kind of brake upgrades are you planning?
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Old 03-06-2002, 03:23 AM   #6
supermarkus
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2008 WRX STi
SSM

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I'm looking into getting some GC8 stainless steel brake lines if they will work on the WRX. Since my struts lack the proper mounting bracket for the brake lines, I have to figure out how to work around that fact. I'm hoping it's just as simple as getting older brake lines. Regardless, I'm selling the Goodridge lines I have for $100 locally. They've never been installed.
I'm going to ultimately run SS lines with motul fluid, after a while I'll take the plunge into an AP/Brembo system from Rallyperformance.com.
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Old 03-06-2002, 03:54 PM   #7
Ferg
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'02 WRX
'10 4Runner

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Ah yes, the APRacing kit. I'm drooling over the six pot myself.
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Old 03-09-2002, 01:56 AM   #8
cronic
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i am about to order the eibach, did they lower enough?
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Old 03-09-2002, 05:40 AM   #9
supermarkus
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Location: Edmonds, Washington, USA
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2008 WRX STi
SSM

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Enough for what? Can you not see the pictures?
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Old 03-22-2002, 10:52 AM   #10
RallyOttawa
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Pardon my ignorance but what is "NVH"?

I'm getting my moto and tranny mounts installed this weekend!
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Old 03-22-2002, 10:56 AM   #11
supermarkus
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Join Date: May 2001
Location: Edmonds, Washington, USA
Vehicle:
2008 WRX STi
SSM

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There is a helpful list of acronyms floating around, if you did a search for "acronym list" it would point you to it. It's actually pretty helpful for all the jargon thrown around here, it might even appear in the i-club faqs. NVH=noise, vibration, harshness.
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