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  #1  
Old 02-19-2006, 12:53 AM
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W123 Rear Sway Bar

Does anyone know if there are any thicker rear sway bars available for a W123, or any larger ones from a newer model that would fit in a W123? I just think its odd that the front sway bar is as large as an exhaust pipe where the the rear sway has the diameter of a cigarette and think it would handle better with a bigger rear sway. Are the ones from the W115s larger perhaps? I have heard stories of the W115s cornering flatter, I know they are lower to the ground but perhaps their sways are thicker.

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Old 02-19-2006, 09:40 AM
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Ive read here that a rear sway bar from a w123 wagon is 1 mm thicker.
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Old 02-19-2006, 12:26 PM
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I don't find the sway bar on my wagon to be robust at all...when I saw mine my first thought was "what could that do/help"? I live in Hill Country, lotta nice curves...but this wagon has some pretty good body roll and it is rear wheel drive. You just can't slam the wagon into a curve and pull through them like the front wheel drive Impala will...the wagon just wants to float in the curves.
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Old 02-19-2006, 12:46 PM
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I also have a wagon, and for over one year now i rode it WITHOUT the rear bar. Yes, now its like a boat in corners. And yes, the rear bar from a wagon is also not very thick.

But maybe, if you put it on a sedan.... with less weight at the rear, and also less weight on top.... you'll feel a difference.

When you want more difference, you probably have to make a custom bar yourself.
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Old 02-19-2006, 04:29 PM
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Now do yall really think that the MB engineers never thought about that? There has to be a reason it is like it is, but heck if I know........
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Old 02-19-2006, 07:52 PM
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I have no idea what the MB guys were thinking about a lot of things...like 9 fastners to hold on the air fliter and only 4 for the valve cover!!?? Heck, just look at the dadgum glove box, must be 20 parts on the door, crazy....enough vacuum lines to blow up or suck out a horse.

That sway bar is wimpy. Now, maybe in the Motherland, they don't need it as stiff because they bank their curves when they build the road.
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Old 02-19-2006, 08:05 PM
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The engineers were thinking about understeer for the old farts who would buy their cars, says I.
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Old 02-20-2006, 02:04 AM
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Ara T...I think I figured it out! It is a SWAY BAR, and they work, because these cars do sway real good. Maybe we oughta talk to MB about anti-sway bars!
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Old 02-20-2006, 04:33 AM
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I heard they're called stabilizer bars now
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Old 02-20-2006, 06:05 AM
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If you have too much stabilizer bar, you tend to lose independence between the suspension members on both sides of the car. When one wheel hits a bump, the stabilizer bar transmits the bump to the other side of the car as well, which is not what you want.

technical Article

Sway-bar chart

There is a nice left turn 90* curve out here in "rural" colorado that I've used to test myself and a few cars. It is posted as a 25mph curve. In in old '87 pos Chevy pickup, I can safely take the curve at 45mph every time when it's dry. In my 240D I can only do 35mph because body roll will cause understeer.

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