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    Thread: Suspension spec thread

    1. Member JRutter's Avatar
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      07-26-2012 05:55 PM #276
      Quick Ohlins VWSMI00 questions:

      Can you retrofit the GC package later on down the road?

      How hard is it to adjust the damping on the front struts? Do you do this at the top of the mount, through the top?

      I'm really tempted to take off the coilovers and go to this with the oem euro springs that I already have.

      {edit} I called Performance Shock and got answers.

      So yes, you can get the GC sleeves, perches, and springs later on if you want, with ryeboy paving the way on rates and lengths.

      They said that both front and rear were adjustable on the car, but I think he had descriptions of front and read mixed up when he was describing them.

      They will have more in stock mid Aug.
      Last edited by JRutter; 07-26-2012 at 07:05 PM.
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    2. 07-26-2012 06:13 PM #277
      Quote Originally Posted by Slave IV View Post
      Exactly, I figured HPA would know the specs on their "own" coilovers. I talked to some reps from KW a couple years ago and they were able to give me all the specs I wanted for another car I own, fwiw.

      Slave,

      I am sorry that my sales team was unable to deliver on your request. We don’t market our product with the rates as on the rear the spring is progressive and the tech details for the MK4 were defined a little over a half decade ago. That said, it is simple enough to extract the working rate and for the MK4 progressive spring, and the fronts unlike the MK5 and later are linear.

      The MK4 R32

      Front 515lb
      Rear (progressive) working rate of 420lbs

      I don’t get up here a lot these days, but feel free to IM me should you have further needs.
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    3. Member Slave IV's Avatar
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      07-26-2012 06:27 PM #278
      No apologies necessary..as i said, it was for your own benefit to provide info for the products you sell and I'm not trying to figure it out. If you can provide clear numbers someday, great...otherwise, don't worry about it.
      Thanks!
      If your gas cap light comes on even if you think you tightened the cap, try pulling on the cap as you tighten it. Worked for me.
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      07-27-2012 10:58 PM #279
      I have the R back since last evening with the 10" 350 lb/in springs installed. Now sitting about 25 1/4" front and back (dialed up the fronts a tad from "full down" and dialed down the rear perches about an inch from "full up"). Given what you shared with us about stock spring rates and rear being > than front rates, perhaps it explains why I needed 10" springs in back to balance out the stiffer (7" 450 lb/in) springs in front. After horsing around today to and from work, I'm not sure I'd want to reduce the front rates: they provide nice resistance to brake dive and some roll resistance (even with the OEM fsb). Road irregularities are felt more than before but with the Ohlins they don't upset the chassis (or at least much less than with stock). The reduced unsprung weight likely also plays a factor in helping the suspension settle more quickly than before. Impacts in the rear are perhaps a tad more than stock, but again the impact is not harsh or jarring and the chassis settles almost instantly. I also feel much less of a tendency to "push" in turns but no sense that the back end was coming loose (of course with our wimpy OEM rsb). The car feels more alive, more planted, and begging for more speed. I would have been tempted to dial in a touch more damping/rebound into the Ohlins, but Tom told me to keep my paws off the damper knobs until I have another few hundred miles on it.

      These impressions are all very preliminary and might change when I get to a track or with simply more seat time. Just thought I would toss 'em out there for discussion's sake.
      Jay - any updates with more seat time? I have heard from a shop that has installed them that the VWR coils do NOT retain stock ride height - they will lower you as much as anything else out there - so I would rather get KW's based on price, plus found out they have spacers available, plus overall user reviews (have found no reviews on VWRs so far) -OR- do the GC kit ala ryeboy
      Last edited by motrrrpsycho; 07-27-2012 at 11:00 PM.

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      UG MkV R32; 4.2 Q7 Daytona Grey
      07-29-2012 05:13 PM #280
      Quote Originally Posted by JRutter View Post
      Quick Ohlins VWSMI00 questions:

      Can you retrofit the GC package later on down the road?

      How hard is it to adjust the damping on the front struts? Do you do this at the top of the mount, through the top?

      I'm really tempted to take off the coilovers and go to this with the oem euro springs that I already have.

      {edit} I called Performance Shock and got answers.

      So yes, you can get the GC sleeves, perches, and springs later on if you want, with ryeboy paving the way on rates and lengths.

      They said that both front and rear were adjustable on the car, but I think he had descriptions of front and read mixed up when he was describing them.

      They will have more in stock mid Aug.
      Yes. The struts and and dampers are adjustable at the bottom. Easily accessible. Very nice feature.

      Though happy with my set up, I think a simpler way to go may be to simply change out the OEM struts/dampers for the Ohlins and use the OEM springs. You probably would get 80% of the benefit of my system without the coilover issues.

      Quote Originally Posted by motrrrpsycho View Post
      Jay - any updates with more seat time? I have heard from a shop that has installed them that the VWR coils do NOT retain stock ride height - they will lower you as much as anything else out there - so I would rather get KW's based on price, plus found out they have spacers available, plus overall user reviews (have found no reviews on VWRs so far) -OR- do the GC kit ala ryeboy
      Not so much. I've been in Frankfurt for the last 8 days. I have been able to determine that even on the worst roads in NYC (namely, the Van Wyck, certain stretches of the GCP, the Belt Parkway, and the Cross Island Parkway, Cross Bronx Expressway, etc.) the suspension set up tolerates those abusive surfaces relatively well. The higher spring rates certainly make some impacts, pavement dips, etc feel stronger than stock, but the car never felt unsettled. I've got a meeting in Bridgehampton starting Monday to which I'll drive. That should give me some time to form impressions on more civilized roadways.

    6. Member Slave IV's Avatar
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      07-30-2012 03:45 PM #281
      Quote Originally Posted by motrrrpsycho View Post
      Jay - any updates with more seat time? I have heard from a shop that has installed them that the VWR coils do NOT retain stock ride height - they will lower you as much as anything else out there - so I would rather get KW's based on price, plus found out they have spacers available, plus overall user reviews (have found no reviews on VWRs so far) -OR- do the GC kit ala ryeboy
      Lowering is not the only factor...dampening and spring rates play a big part and a minor drop of
      If your gas cap light comes on even if you think you tightened the cap, try pulling on the cap as you tighten it. Worked for me.
      Help us with suspension specs!
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    7. Member JRutter's Avatar
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      07 A3 3.2 stormtrooper
      07-30-2012 05:26 PM #282
      Quote Originally Posted by ryeboy View Post
      Though happy with my set up, I think a simpler way to go may be to simply change out the OEM struts/dampers for the Ohlins and use the OEM springs. You probably would get 80% of the benefit of my system without the coilover issues.
      The plan is to use the A3 3.2 Euro S-Line springs that I already have. I think that we talked about them at one point, and I'm glad I kept them.
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      07-30-2012 06:48 PM #283
      What rates do the euro a3 springs have.

      Iro 80% with stock springs.... fine for Koni FSD for 600 but not for Oehlins for 2200

      Btw wonder how much diff FSD Oehlins ...

    9. Member JRutter's Avatar
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      07 A3 3.2 stormtrooper
      07-30-2012 07:32 PM #284
      I will try to get them measured as part of the "incentive" to buy the Ohlins.
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    10. 08-04-2012 02:07 PM #285
      Just an OT FYI, but sure made my day!

      I just read the recent Subaru Drive Performance magazine. They featured two driver's different builds of their WRX's for things like autox and track - and one of them still prefers the KW V3 coilovers.

      What makes my day, is that *I* was the first Sube racer to start using the KW's (on my 05 STi) after I had exposed how the Zeals were crap, and started promoting the KW'S on the Subaru NASIOC web forums. Then all the other SCCA folk started to use them too. So I started a legacy that is still happening today. Might not seem like a big deal, but the way things have been going lately, to see that I have had a positive impact on others, still going on yet today, is a heck of a great feeling for me.

      Now if only I could get a real job, and my life back again, you guys have given me so many new ideas to do to my car, that were never around back in 08 when I first got my .:R.

    11. Member JRutter's Avatar
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      07 A3 3.2 stormtrooper
      09-19-2012 12:26 PM #286
      Pulled out my original springs and the Euro springs from storage and cleaned them up to send to Tyrol Mike. He has a basic spring rate jig and gets weights at 1", 2", 3" of compression. Here are some comparison pics and basic info. Just a reminder, this is for the A3 3.2, which is more like the 5-door R32.

      US Front: Red/Pink/Pink/Pink, 12.375" x 5.75" OD, 5.25 coils @ 0.519" thick

      Euro Front: Green/Gray/Blue/Blue, 10.25" x 5.9" OD, 4.75 coils @ 0.569" thick

      US Rear: Green/Green/Blue/Blue/Blue, 12.5" x 4.75" OD, 7.6 coils @ 0.531" thick

      Euro Rear: Brown/Gray/Gray/Gray, 10.625" x 4.68", 7.5 coils @ 0.555" thick


      Last edited by JRutter; 09-19-2012 at 04:30 PM.
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    12. Member SilverSquirrel's Avatar
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      09-19-2012 12:53 PM #287
      good photo!

      Can you post up one more measurement comparison: Outside Diameter of Coils.


      Best way is to lay them down on a flat surface, and using a straight edge along the lenght of the spring, measure between the flat surface and the straight edge (dont go diagonal across the coil, it will give you a larger measurement)

      thanks!
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    13. Member Slave IV's Avatar
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      09-19-2012 02:53 PM #288
      Thanks! I never paid attention to the way springs look on and off the car but I was looking at my rear springs over the weekend when the car was on a lift and they seem to be very different than the one in the picture. They looked like a linear design to me mainly because I didn't notice the tapering but maybe some of the tapered part was covered. Also seemed like more coils but I'm not sure about that part.

      Frank, if you are still lurking around here, any more word from Swift about the springs you wanted them to make for you (us)?
      If your gas cap light comes on even if you think you tightened the cap, try pulling on the cap as you tighten it. Worked for me.
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    14. Member JRutter's Avatar
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      07 A3 3.2 stormtrooper
      09-19-2012 04:31 PM #289
      Quote Originally Posted by SilverSquirrel View Post
      Can you post up one more measurement comparison: Outside Diameter of Coils.
      edited post above to include this
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      09-19-2012 10:47 PM #290
      Quote Originally Posted by JRutter View Post
      Pulled out my original springs and the Euro springs from storage and cleaned them up to send to Tyrol Mike. He has a basic spring rate jig and gets weights at 1", 2", 3" of compression. Here are some comparison pics and basic info. Just a reminder, this is for the A3 3.2, which is more like the 5-door R32.

      US Front: Red/Pink/Pink/Pink, 12.375" x 5.75" OD, 5.25 coils @ 0.519" thick

      Euro Front: Green/Gray/Blue/Blue, 10.25" x 5.9" OD, 4.75 coils @ 0.569" thick

      US Rear: Green/Green/Blue/Blue/Blue, 12.5" x 4.75" OD, 7.6 coils @ 0.531" thick

      Euro Rear: Brown/Gray/Gray/Gray, 10.625" x 4.68", 7.5 coils @ 0.555" thick


      I briefly owned S3 Euro springs and sold them to Katie before ever installing them. I also briefly questioned the wisdom of this quick sale, but ultimately I'm a happy camper with my linear springs: 7" 450lb/in front; 10" 350lb/in rear. Now sitting 25 1/4" FTG on 245/40 R17 tires.

    16. Member Lolasaurus_Rex's Avatar
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      09-20-2012 10:05 PM #291
      Quote Originally Posted by ryeboy View Post
      I briefly owned S3 Euro springs and sold them to Katie before ever installing them. I also briefly questioned the wisdom of this quick sale, but ultimately I'm a happy camper with my linear springs: 7" 450lb/in front; 10" 350lb/in rear. Now sitting 25 1/4" FTG on 245/40 R17 tires.
      Pics of setup please.
      @jayyyw

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      09-23-2012 02:55 PM #292
      Jay, are you at the same ride height front and rear?

      For anyone else considering the ground control option, I finally pulled the trigger and tried it. When I talked to GC, I told them that I wanted to do the same springs as Jay with the same kind of goals in mind of being more track capable yet not too excessively stiff for rough roads, and that I wanted to stay close to stock ride height (or maybe just a tad lower). I basically said, that's what I want, these are the springs Jay used and he is happy and asked if the same springs should work for me to accomplish the same things with my Koni FSDs. They said yes, so I ordered and got them installed. Well, turns out rear is good (for me) sitting at about 25.75 now, but I'm at about 26.75 in the front with adjusters all the way down at both ends. OK, sure, its not an exact science and you take some risk when trying things like this, but GC takes no responsibility. They are saying they gave me what I asked for and seem not to recall other details of the conversation pre-purchase. And -NOW- they tell me that the spring they normally sell with the MKV / MKVI kits to use with Konis is a 5" 425 lb spring They are going to ship me some different springs to try now, but its just a bit frustrating to have to pay for labor or spend wrench time re-doing something that I already paid to have done once. I'm going to try 5.5" 475 lb springs for the front which should put me at about 25.25 in the front (maybe a hair higher initially, but I'm assuming both ends will still settle a bit). Anyway, my point is not to rant or bag on GC, but mainly just to share the infos in case anyone else wants to try a GC + Koni set up. I'll report back with impressions and such after getting the new front springs in.

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      09-23-2012 03:22 PM #293
      Maybe the Koni shocks have a longer body than the Ohlins?

      How much were the GC sleeves/springs? If you dont mind.

      Yeah, that just happened.
      @jayyyw

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      09-23-2012 04:01 PM #294
      I guess price just went up $20 recently to $419:
      http://www.ground-control-store.com/...p/II=717/CA=65

      Konis have big spring perches welded to the bodies that don't allow the GC hardware to mount as far down on the shock body as they apparently can with the Ohlins. This is just a random pic I grabbed, but give you an idea:

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      09-23-2012 05:02 PM #295
      That stinks. All the add trouble

    21. Member Lolasaurus_Rex's Avatar
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      09-23-2012 06:57 PM #296
      Is there a way to drill through those welds to remove it?
      @jayyyw

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      09-23-2012 07:06 PM #297
      How do the sport and street shocks compare to the FSDs?
      @jayyyw

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      09-23-2012 08:52 PM #298
      Thanks guys. Can the perches be removed? Well... 'anything' is possible I suppose, but seems like it would be pretty difficult to cut / grind it down far enough without either mangling the body or spending a LOT of time on it. Difference between FSD and other Konis? Not sure if that's what you meant, but I asked the GC guy about Koni yellows - if they would allow for a longer front spring - and he thought no, they are about the same as the FSDs as far as perch position.

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      09-23-2012 09:18 PM #299
      Yeah, other Konis. Difference as far as spring rates they can handle and drop heights. The FSDs are the only dampening adjustable ones, correct?

      Really interested in seeing your results. This looks like the setup I will be going with.
      @jayyyw

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      09-23-2012 10:39 PM #300
      I'm looking to do some suspension mods to my car, and was wondering what you guys recommend for an aggressive track setup. I have a pretty conservative budget and was leaning toward a fairly stiff spring/strut combo. I'm not too worried about height adjustability. Thanks!
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