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Go Back   IWSTI.com: Subaru WRX STI Forums > GD Series STi Discussion (2003/4-2007) > GD-Technical > GD-Suspension, Handling, & Stiffening


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Old 05-15-2007, 05:32 AM   #46
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Splash- where are you getting those numbers from? The SA and DA housings are $152.50 each.

Anorexic- they work with the stock tophats, so I would assume they're compatible with all the various camber plates, too.


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Old 05-15-2007, 05:36 AM   #47
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Quote:
Originally Posted by Splash
I did the math...

start with the kit prices without plates. (plates add $350 to each kit)

subtract $400 for the springs and sleeves (their price alone)

subtract $159x4 for SA (and $280x4 for DA)

what you have left is the housing price.

I get $289 for the SA housings and $610 for the DA housings.
They only have one housing - the 152.x one. I think this is just confusion related to the "stage [x]" thing
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Old 05-15-2007, 07:36 AM   #48
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

...just thought I'd pipe in and clear a couple of things up.

The housings are $152.50 each regardless of what inserts you use.

Now, think about the strut brace thing...in order for your towers to flex enough to affect the handling of the car they would have to flex the firewall. Think about it, they're stuffed in a corner, where can they go?

just my two cents and thanks for all the props guys!

Mark
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Old 05-15-2007, 09:18 AM   #49
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

lackskill - neither of the pieces that you mentioned provide much rigidity. The front subframe is as stiff as a wet noodle!
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Old 05-15-2007, 09:26 AM   #50
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

back on topic guys.

what are the available spring rates for the DA's? do they go past 500lbs?
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Old 05-15-2007, 10:02 AM   #51
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

I think Mark said the SA's work well to 600lbs. I'd expect the DA's to do at least that, but above 500lbs is getting into "too stiff for the car" territory (if you believe all that spring frequency stuff).
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Old 05-15-2007, 10:12 AM   #52
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

http://forums.nasioc.com/forums/show....php?t=1052882

Looks like they can go pretty damn high: 850, 1100 are mentioned.

john
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Old 05-15-2007, 11:55 AM   #53
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Quote:
Originally Posted by stretch
Splash- where are you getting those numbers from? The SA and DA housings are $152.50 each.
Well, that would match the 610 I get for the DA's, but not the SA's...

$1325 for a Koni SA setup (no plates)
-400 (springs and sleeves)
-636 (4 Koni SA inserts @ 159ea)

=289 for 4 housings

$2130 for a Koni DA setup (no plates)
-400 (springs and sleeves)
-1120 (4 Koni DA inserts @ 280ea)

=610 for 4 housings
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Old 05-15-2007, 12:03 PM   #54
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Ah, OK. The breakdown of how I got those prices was a little more complicated.

I was suggesting for a Koni SA setup to run WRX inserts in the rear, so you'd only need two housings from GC. Koni's built for WRX inserts cost the same as regular Koni SA's, but the housings are built from old, worn WRX struts. They can be had for nearly free, and using them saves you $305 (since that's two GC housings you don't need to buy). Anyway, for a full GC setup, the cost of the struts is $159 each, and the housings are $152.50 each. Then, of course, it's $400 for the springs and sleeves.

To run a Koni DA setup, you can't run WRX inserts in the rear, so you must buy four GC housings. The Koni DA's are $280 each and the housings are still $152.50.

I guess the way I wrote the first post was a little confusing.
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Old 05-15-2007, 01:22 PM   #55
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Ah, I thought those were quoted kit prices from GC under your "stages"...

My bad...
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Old 05-22-2007, 10:51 AM   #56
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Ordered my set of DA's, custom black GC housings, 550/500 rates, and F&R camber plates! Should be done in 2 weeks.
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Old 05-22-2007, 10:58 AM   #57
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Quote:
Originally Posted by BM_STi
Ordered my set of DA's, custom black GC housings, 550/500 rates, and F&R camber plates! Should be done in 2 weeks.
wow, definitely post up a review of that setup, it sounds BA!
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Old 05-22-2007, 11:01 AM   #58
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Sure will man! I kinda dreamed up those spring rates last min so hopefully they work well. If not I can always swap them out.
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Old 05-22-2007, 11:29 AM   #59
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Great find Stretch. I'm very interested in your review.
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Old 05-22-2007, 12:04 PM   #60
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Default Re: Ground Control / Koni Coilovers (incuding 2005+ STI's)

Yeah I wish I had had them powdercoated a different color. Maybe cherry blossom red...

john


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