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Strut Bar / Sway Bar

Old Mar 2, 2010 | 08:14 AM
  #31  
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From: Ponte Vedra, FL
Originally Posted by stryker2
I have the front and rear Hotchkis sway bars on my 08 Sport coupe, with the rear on the stiffest setting, and the car's back end is giving up traction too easily around corners. Cornering quickly is my handling priority, and my car is street driven only. Will adjusting the rear bar to the middle setting (+90% stiffer than stock) be the answer, or should I dial it all the way to the least stiff (still +50% over stock) to achieve the best result? And toward that goal, is the Hotchkis bar on the front helping matters, or would I be better served by going back to the stock front?

Another issue is that the Hotchkis front bar is doing a lot of groaning and creaking over speed bumps, dips, etc.. I had the bushings re-lubed and the noises lessened for a while, but they're back now. I'm wondering if another shot of grease will do it, or whether this is just an issue with poly bushings that I have to learn to live with for higher performance. It wasn't making these noises when I first had it installed.
I have mine set to the middle setting and have experienced none of what you're describing.
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Old Mar 2, 2010 | 10:03 AM
  #32  
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From the replies, it sounds like the middle setting is the way to go. I'll report back once it's done. Thanks for the input.
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Old Mar 2, 2010 | 10:26 AM
  #33  
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From: SARASOTA, FLORIDA
Originally Posted by ucla bruin
I got my Hotchkis from Amplified Motorsports in Monterey Park. You can give them a call and stop by to have it installed.
how do they feel in comparison to the stock? When people say they are stiffer does it mean when you turn in a normal way they seem to give a car more precise feel? How would you describe it?
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Old Mar 2, 2010 | 10:37 AM
  #34  
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From: SARASOTA, FLORIDA
Originally Posted by sbmwg37s
I always have doubts if they have done enough R&D..
Stiffer sway bars can make you feel better becaues it change the way the car behaves.

If you look at Hotchkis, the front is 200% stiffer.
The stiffer, the more traction you will lose compensating for less body roll.
This effect becomes greater on streets than tracks because the streets are not even.
So, such a huge increase in front stiffness will lead to understeer on streets.
That's something you should look at when considering sway bars.
Would you assume the weight of the bar also has anything to do with the "feel"?
How would you describe the difference between the stock and the others in the way they feel? Does it give you a more precise steering in normal driving?
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Old Mar 2, 2010 | 10:41 AM
  #35  
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The biggest improvement I noticed was decreased body roll in turns from start to finish. It's felt at all speeds, streets and highway. When you're changing lanes, the decreased body rolls helps stabilizing the car when you're driving. Overall, the car feels tighter and more responsive. I also have Eibach's spring so my center of gravity is also lower.
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Old Mar 2, 2010 | 10:41 AM
  #36  
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From: Ponte Vedra, FL
Originally Posted by Greg Lecewicz
Would you assume the weight of the bar also has anything to do with the "feel"?
How would you describe the difference between the stock and the others in the way they feel? Does it give you a more precise steering in normal driving?
Why don't you drill some holes in the stock sway and report back.
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Old Mar 2, 2010 | 01:55 PM
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@ucla bruin, re: effect of Hotchkis: - you put it perfectly.

You have Eibach springs - is that the Pro Kit? Did you install the camber kits front and rear? And how do you like them on LA roads? I'm in LA as well.
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Old Mar 2, 2010 | 04:20 PM
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Prokit, there's only prokit for our car. I don't have any camber kits. You don't need them to dial the alignment back to within stock standards with the Eibachs.

I'm more in Orange county and do freeway commute so it's not bad at all. Pretty fun actually, haha. When I'm out on crappy roads, you do feel the stiffness but if you think about it, the pros will outweigh the cons.

Very well worth the investment and enjoyment IMO.

Got them installed from Lou at Amplified Motorsports.
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Old Mar 2, 2010 | 09:53 PM
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@ucla bruin: thanks for sharing your impressions. The Eibachs are my next mod.

Interesting to hear you haven't needed a camber kit to keep the alignment to spec. That makes the springs a lot easier to justify, $ wise. Did you buy them from Amplified, or elsewhere and have them installed there?
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Old Mar 2, 2010 | 10:00 PM
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I can't think of any place but Amp'd motorsport.
IMO, all g37s should come with the Eibach springs on from the factory.
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Old Mar 2, 2010 | 10:07 PM
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Originally Posted by Greg Lecewicz
Would you assume the weight of the bar also has anything to do with the "feel"?
How would you describe the difference between the stock and the others in the way they feel? Does it give you a more precise steering in normal driving?
Weight doesn't really do much with the feel.
You can feel less body roll when you make a turn.
It's very noticeable..and yes it will provide more precise handling.
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Old Mar 2, 2010 | 10:15 PM
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@sbmwg37s: do you have the same setup as ucla bruin, without a camber kit? If so, is the alignment to spec as well?

I looked on Amplified's site, and I didn't even see a front camber kit for sale for the g37.
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Old Mar 2, 2010 | 10:20 PM
  #43  
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Never mind re: I didn't see the front kit for sale by Amplified. It just didn't show up when I searched by car model. I see that they indeed have it, at a very nice price. This whole thing is becoming more tempting by the minute.
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Old Mar 2, 2010 | 10:29 PM
  #44  
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Talk to lou@amplified on this forum he'll give you a great price I just got my springs installed there on saturday.
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Old Mar 2, 2010 | 10:40 PM
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Originally Posted by stryker2
@sbmwg37s: do you have the same setup as ucla bruin, without a camber kit? If so, is the alignment to spec as well?
I have KW V3 coilovers, but I don't have camber kits.
You don't really need camber kits with a mild drop such as Eibach.
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