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Old 07-27-2007, 06:19 AM   #1
fastwrx25
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Default front usdm sti springs w/ rear v7 sti wagon springs on bugeye wagon? anybody mixing?

Right now on my 02 wagon I am running blue prodrive springs, konis, 02-03 group n strut tops. I have an itching to try different springs(stiffer and less drop in the front)

my friend gave me his sti springs so I want to use his fronts and buy a set of used v7 wagon springs and just use the rears.

the spring rates would then be 225 f and ~180 r.

is that gap b/w spring rates too high? anybody else running front sti springs and different rears? how does it feel?

or should I just get the rear sti pink springs for the wagon that they sell here? then the spring rates would be 225/195. That would cost some more money for the 04+ rear strut tops and koni spacers.

I'm leaning toward trying the v7 wagon rears.
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Old 07-27-2007, 07:42 AM   #2
noboost4u
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Rate gap isn't that high, but, it is a wagon (sag).

Why not invest in new rear tops & spacers and open up a world of spring possibilities?
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Old 07-28-2007, 01:28 AM   #3
fastwrx25
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bump bump..........
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Old 07-28-2007, 08:57 AM   #4
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Ignoring the 2nd post for one that actually makes sense...

It should work fine - the SPT Pinks & STi springs are only ~193-195 in the rear. I don't see that as a big enough difference to totally ruin your handling. And you won't need new tophats and struts/strut spacers.
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Old 07-29-2007, 04:18 AM   #5
Mark Avery
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Stiff in the front, soft in the rear = understeer.
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Old 07-29-2007, 06:52 AM   #6
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^^that is my only fear. I read a post where one guy with a wagon used the super stiff jdm pink lowering springs w/ prodrive rears and said "don't try this..massive understeer" That was with a gap of over 75 lbs/inch
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Old 07-29-2007, 12:03 PM   #7
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Originally Posted by fastwrx25 View Post
^^that is my only fear. I read a post where one guy with a wagon used the super stiff jdm pink lowering springs w/ prodrive rears and said "don't try this..massive understeer" That was with a gap of over 75 lbs/inch
GEEZ.... but i've always been tempted to see how a 195 usdm wagon rear pink and a front jdm pink worked... 55 diff? (when usually a 30 or so when it comes to the pinks)
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Old 07-29-2007, 08:04 PM   #8
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v7 wagon springs are 173 in the rear (188 front)- they would be fine w/ a oe USDM STi front spring IMO. The v7 wagon springs actually drop the rear a little (5-7mm), so the slight lowering in the front w/ the USDM STi springs should be pretty darn close.

I say give it a go
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Old 07-29-2007, 08:58 PM   #9
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the v7 wagon springs are 173 rear? I thought those were the sedan rates...or vice versa?

I am going to give it ago. Ordered the v7 springs today....I'll let you guys know how it goes.
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Old 07-29-2007, 10:02 PM   #10
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same rates as the v7 STi sedan- just a slightly longer rear spring for the wagon

sounds good
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Old 07-30-2007, 12:14 AM   #11
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I had originally bought a set of the whiteline roll adj. kit in order to get better geometry and gain 10mm of extra bump travel, but then thought long and hard about my suspension plans...and sold it.

Figured the usdm sti front springs should raise the front 10-15mm(currently on blue prodrives) negating the need for the WL adj kit....for now

loved the prodrive look and ride on smooth roads but on bad roads or bumpy curves it felt crappy, not very confidence inspiring.
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Old 07-30-2007, 03:57 AM   #12
Mark Avery
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The wagon is 80 lbs heavier in the rear than a sedan. So for proper balance, all things being equal, you want the difference between front and rear springs to be LESS for a wagon, not more.

The spring matchup you are talking about will not be a disaster. But, it is moving away from the direction you want to go for optimum handling.

Why not use all four V7 wagon springs? The spring rate isn't much different from your Prodrives, but the ride height is better. You're best option is USDM SPT wagon pinks, but I'm sure your trying to avoid the extra expense of changing the rear strut tops.
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Old 07-30-2007, 07:18 AM   #13
fastwrx25
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^^I might try that first and see how it looks. I don't think I could deal with the wheel gap...I'm thinking the sti springs will drop more. The v7 springs front back would prob be the best setup though honestly.
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Old 07-30-2007, 09:43 AM   #14
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the front v7 springs provide 0 drop, the rears a little bit

The USDM STi springs (on a WRX) ~ 10mm
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Old 04-01-2008, 11:20 PM   #15
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update.

I ended up using the 05 sti front and rear v7 wagon springs, I also replaced all the rear lat and trailing arm bushings at the same time. After playing with the konis for awhile I can't seem to make it handle the way I want(understeer) I am going to switch setups.

buying new 04+ grpn tops and buying a set of used wrx pinks from a local guy.

I was thinking about getting the sweet rce wagons+koni deal but am worried about comfort.
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Old 04-02-2008, 09:27 AM   #16
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what did the ride heights end up being w/ that combo? comfort?

and "I can't seem to make it handle the way I want(understeer)" are you saying it isn't understeering enough or too much?
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