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Old 02-06-2004, 09:48 AM   #1
maestro
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Default Impreza STi suspension on XT...which springs?

I have '04 USDM Impreza STi springs/struts/tophats waiting to be bolted on my XT. However, I've heard that the USDM STi springs are horribly overdamped by the inverted struts as opposed to the JDM pink springs. Is this entirely true? If so, I would rather switch to the pink springs, but they lower the car even more... I'm already doing about a 3-3.5" drop with the USDM setup, so I'd be slamming it way down with the pink springs. Should I try the USDM springs first and see how the ride is? Thoughts?
Thanks,
Marco
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Old 02-06-2004, 10:01 AM   #2
Jon Bogert
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Here you go. Will raise the spring rate and static ride height a bit. Get some that fit between the top coils just below the top mount.

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Old 02-06-2004, 10:21 AM   #3
maestro
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Are you kidding me? This looks like the ghetto dragrace setup of sticking hockey pucks in the rear springs...
I'm intrigued if you're serious; give me some more info - I'm quite skeptical
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Old 02-06-2004, 10:40 AM   #4
Jon Bogert
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Ghetto drag race? Maybe, but also speedway, off-road, etc. The pic is from a vendor who caters to the circle track crowd.

Frankly I don't know how they would work on a street car. The basic idea is to lock out one coil with a firm, but compliant rubber or urethane spacer. With one fewer coil, the spring rate goes up. With stock free length and an overall stiffer rate, the static ride height will be a bit higher, too.
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Old 02-06-2004, 10:58 AM   #5
maestro
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Hmmm... Well, I'm definitely intrigued...Thanks
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Old 02-06-2004, 11:35 AM   #6
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I think it's funny that the new WRX STi's springs are so much softer than the GC STi springs. The front springrate is like 185, and my Ver.5 set is like 220 or something. Very odd.

That explains the overdamped feeling, for sure. My guess is that Subaru toned it down for the US market. Anyone know what the rates are on the JDM/Euro-market STi cars?


I know there's a Forester-specific STi kit, but since you've already got the struts--and assuming they'll work well for the XT--I say find the Forester "pink" springs. I'm fairly certain they exist. Rallispec.com may have them.

-S2-
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Old 02-06-2004, 11:43 AM   #7
maestro
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The only reason I'm not going with the Forester STi springs is that they only lower the car about an inch. I really want to lower it more and entirely get rid of the suv look. If I compressed the Forester STi springs onto the Impreza STi inverted struts, would it be lower though? Would that mess up the rate?
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Old 02-06-2004, 01:41 PM   #8
Blue04Sti
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Are you going for something like this?
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Old 02-06-2004, 02:05 PM   #9
maestro
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Yeah, but even a little lower would be cool. I've seen the Forester STi before, but it still has somewhat of a 'trucky' ride height. Ideally, I'd like my Forester at an Impreza STi altitude.
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