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Eibach sway bars review

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Old 02-18-2013 | 11:02 AM
  #46  
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Originally Posted by soundmike
Rochester, you're digging yourself quite a hole here.

Here, this might help:

OVERSTEER / UNDERSTEER CORRECTIONS
Not at all... BB has a sense of humor and he's seen my posts.

On the supposition that mixing PSS with the Bridgestones is problematic, which Ash suspects and BB has personally experienced, I'm simply fishing for ideas on whether or not there are settings for the Eibach sways which could compensate until I get a full set of PSS.

Reading your link now. Thanks, Mike.
Old 02-18-2013 | 11:06 AM
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Will be following this post closely as sways and PSS (when the Bridgestone's wear down) are my next mods.

I'd go coilovers but my neighborhood has enough steep slopes that I barely don't scrape my front lip at stock height.

I'd like to hear about your perception of decrease in ride quality once you get them on. That's really the only thing making me hesitate about sways at the moment. Might end up getting the Stillen's since they're the least aggressive and I think stock is only slightly too soft for my typical driving style.
Old 02-18-2013 | 11:08 AM
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Originally Posted by Rochester
Not at all... BB has a sense of humor and he's seen my posts.

On the supposition that mixing PSS with the Bridgestones is problematic, which Ash suspects and BB has personally experienced, I'm simply fishing for ideas on whether or not there are settings for the Eibach sways which could compensate until I get a full set of PSS.

Reading your link now. Thanks, Mike.
Wait, no, don't get me wrong, i meant you're digging yourself a hole with regard to the myriad suspension tweaking choices.

That link will help you compensate for the imbalance between different set of tires. It won't be perfect, but will get you where you need to be in the meantime.
Old 02-18-2013 | 11:09 AM
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Originally Posted by ashmostro
Also, Rochester, i should add that even though this is academic, you have the flex thing backwards. Closest to bar end means less bar flex, not more. That's why that is a "soft" setting.
Academic... yep. LOL It's like forum racing.

Pretty sure that wasn't backwards. I said closest to the *end* of the bar was soft. Here's a pic on what I was interpreting as hard to soft. That's not backwards, is it?

Old 02-18-2013 | 11:13 AM
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Originally Posted by soundmike
Wait, no, don't get me wrong, i meant you're digging yourself a hole with regard to the myriad suspension tweaking choices.

That link will help you compensate for the imbalance between different set of tires. It won't be perfect, but will get you where you need to be in the meantime.
Oh. Got ya, and yes... spinning my wheels, so to speak. Fortunately I've got a few months to settle in.
Old 02-18-2013 | 12:26 PM
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Rochester, you are correct.

See bottom of page 3 - eibach installation instructions.

http://www.carid.com/images/brand/eibach/pdf/d2857.pdf
Old 02-18-2013 | 12:29 PM
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Even given that coils > everything else, when I push the car hard through tight corners, it seriously understeers... still. Not as bad, mind you, but the front end still pushes out and refuses to go where I want it to. I would prefer the back end let loose, and I could steer into the slide. Not exactly drifting, but a power-slide, if you catch my drift.

I have the V3 set at 11 in front and 9 in the back. Pretty stiff. I think sways are the next mod.

I appreciate all you gentlemen airing this out here. It is very informative and helpful.
Old 02-18-2013 | 01:06 PM
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The backwards comment was pertaining to your more vs less "flex" statement, not stiffness. You got that part right.
Old 02-18-2013 | 01:41 PM
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Originally Posted by MACS
I appreciate all you gentlemen airing this out here. It is very informative and helpful.
I appreciate all the comments as well. There's a good crew of familiar voices here from the Sedan forum, and that's pretty cool.

If for a while I have to play Cliffy to Ash's Frazier, that's fine by me, as long as I learn something and mod my car right.
Old 02-18-2013 | 02:49 PM
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Thought this was a good post regarding sways you might be interested in Rochester:
https://www.myg37.com/forums/3337409-post25.html
Old 02-18-2013 | 02:51 PM
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Originally Posted by BLamb
Thought this was a good post regarding sways you might be interested in Rochester:
https://www.myg37.com/forums/3337409-post25.html
I've seen that thread before a number of times, and just re-read it yet again. You're right, BLamb, there are some good posts there.

This from Eibach in the PDF that Jsolo posted:
Tuning Rear Bar

a) Softest setting.
  • Reduces over-steer
  • Use in rain or on slick roads.
  • Use on rough or bumpy tracks.
  • Increases comfort.
b) Mid setting.
  • Tuning out under or oversteer
  • For normal driving conditions
  • Dry street driving
c) Firmest setting.
  • Reduces under-steer
  • Use on dry roads and tracks.
  • Use on smooth roads and tracks.
  • Do not use on wet or slick roads.
As the information starts sifting through the fog, it seems like my best options are to go Soft on the fronts, and Middle on the rears.

Last edited by Rochester; 02-18-2013 at 03:33 PM.
Old 02-18-2013 | 05:54 PM
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Another idea... Just put on the rears for now, at the softest setting. OEM fronts, until you get the rest of the tires.

I'll run the numbers when i get home tonight. I have a spreadsheet for that too!
Old 02-18-2013 | 06:07 PM
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I have a spreadsheet for that too!
How am I not surprised at this?
Old 02-18-2013 | 06:16 PM
  #59  
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Originally Posted by ashmostro
Another idea... Just put on the rears for now, at the softest setting. OEM fronts, until you get the rest of the tires.
That's a good idea for discussion.

Although for this particular transaction, Newt and I have already made plans for my old sways. If I can get away with using both this year, that would be preferable.

Originally Posted by ashmostro
I have a spreadsheet for that too!
Inside joke.

Last edited by Rochester; 02-18-2013 at 07:12 PM.
Old 02-18-2013 | 07:37 PM
  #60  
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Rochester (and anyone else that wants to see it), I've uploaded the spread to dropbox, and you can download it here.

The column of interest is highlighted in yellow. It shows the relative front-rear balance *relative to OEM*. There are a lot of tuning options to go more oversteery which for now is what you want with just PSS tires on the rear. You can see by the lack of positive values in that column (at least for the Eibach-only configuration) why I said in my original post that I think Eibach kind of missed the train when designing the hole positions. But anyway, you can see how by only using one Eibach bar, you get even more adjustability if you want to be more oversteery.

In your case, I would think settings 3 or 8 (bolded to stand out) would be a good starting place. Feel free to discuss!


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