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post #31 of 35 (permalink) Old 03-28-2006, 08:10 PM
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I recommend a set of adjustable sway bars. Regardless of if you go coilover later, money spent on sways won go to waste.

Both Hotchkis and Stillen sell for around $300 and are 3 way adjustable.
People here seem to prefer the Hotchkis bars.

Chris
So for my initial set up should i go with a stiffer front and softer rear to reduce understeer?

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post #32 of 35 (permalink) Old 03-29-2006, 04:48 AM
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So for my initial set up should i go with a stiffer front and softer rear to reduce understeer?
Neither. Softer front, or stiffer rear, for a tailier car.

As a general rule of thumb, the harder you make a swaybar setting on one "end" of the car, the more prevalent that end becomes in pushing forward. So stiffer front makes the front push out; stiffer rear makes the rear push out (which means it tries to overtake the front around a corner).


The Bilstein suspension option for the Aus-delivered Z's only comes with a rear swaybar, so I'd say to dial a stiffer rear first and see how it goes. The softer you make the front, the less steering precision you get.

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Understeer is when you hit the tree with the front wheel.
Oversteer is when you hit it with the back.
Horsepower is how hard you hit the tree...
Torque is how far you drag it...
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post #33 of 35 (permalink) Old 03-29-2006, 10:47 AM
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Actually, say if you went with the Hotchkis setup, these bars are
F - 9-32-63% stiffer than stock
R - 54-92-146% stiffer than stock

Going with medium/medium, you would end up 32% stiffer up front and 92% stiffer in the back. This would reduce understeer and give you a good starting point to work with.

If you still had to much understeer, you could stiffen the back one more notch, or to much understeer and bump hopping in the corners you could lighten the front, etc.

Chris


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post #34 of 35 (permalink) Old 03-29-2006, 09:24 PM
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Actually, say if you went with the Hotchkis setup, these bars are
F - 9-32-63% stiffer than stock
R - 54-92-146% stiffer than stock

Going with medium/medium, you would end up 32% stiffer up front and 92% stiffer in the back. This would reduce understeer and give you a good starting point to work with.

If you still had to much understeer, you could stiffen the back one more notch, or to much understeer and bump hopping in the corners you could lighten the front, etc.

Chris
Good info, will try with the med/med and see how it feels, anything can be better than stock lol

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post #35 of 35 (permalink) Old 04-09-2006, 02:51 PM
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While the hotchkis springs give a net increase in spring rate, it's pretty small so you don't notice it. However, what you do notice is an improved overall ride since they change the balance by increasing the rate up front and decreasing it in the back. It got rid of that annoying highway bounce. Of course, they also helped increase the overall handling, too.
I barely noticed the difference in that 'highway bounce.' However, the first thing I did notice after installation is that the steering seems a little more responsive (if that makes any sense).

My setting is medium in the front and stiff in the rear. So far, so good. I've got to get in some more driving time to really tell the difference.

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