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Newbies guide to adjustable endlinks

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Old Jul 8, 2009, 06:46 AM
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chu
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Newbies guide to adjustable endlinks

Deleted. According to the post below, I'm worng. Sorry.

Last edited by chu; Jul 9, 2009 at 01:42 PM.
Old Jul 8, 2009, 07:15 AM
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Good info, thanks for posting!
Old Jul 8, 2009, 07:26 PM
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Shorter endlinks = less understeer
Longer bar (from point where bar starts to bend perpendicular to car) to endlinks = less understeer

Did I get it right?
Old Jul 8, 2009, 07:58 PM
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Originally Posted by chu

The main reason for the adjustable endlinks is so you can shorten or lengthen the link so that you have ZERO preload on the sway bar. This allows the bar to work as designed.
This part is correct.

Changing the OAL of the endlink has NO effect on the swaybar stiffness. Not sure where you came up with that. Kind of seems like you are mixup up endlinks and swaybars.

Shortening lever length on the swaybar makes it stiffer and lengthening it make it softer. There is no other way to adjust a swaybar (unless it's blade type, where the ends can be rotated).

John
Old Jul 9, 2009, 04:37 AM
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Originally Posted by kekek
This part is correct.

Changing the OAL of the endlink has NO effect on the swaybar stiffness. Not sure where you came up with that. Kind of seems like you are mixup up endlinks and swaybars.

Shortening lever length on the swaybar makes it stiffer and lengthening it make it softer. There is no other way to adjust a swaybar (unless it's blade type, where the ends can be rotated).

John
John, the topic is focused on endlinks, and doesn't account for changes in size of the sway bar. Thanks for your input.
Old Jul 9, 2009, 09:30 AM
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Originally Posted by chu
John, the topic is focused on endlinks, and doesn't account for changes in size of the sway bar. Thanks for your input.
Ok, if it's focused on endlinks thats fine. Endlinks connect the suspension arm/link to the sway bar lever arm. That's it. The variables that affect performance of the swaybar are bar diameter, torsional length of the bar, lever length of the bar and where the correlating connection is on the suspension arm/link.

I will say it again. Length of the endlink has NO effect on the stiffness of the swaybar. It is simply there to transmit force.

If you shorten/lengthen the endlinks it only changes the starting position of the bar, not what is doing.

John
Old Jul 9, 2009, 12:32 PM
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Originally Posted by chu
John, the topic is focused on endlinks, and doesn't account for changes in size of the sway bar. Thanks for your input.
I don't think you were listening.

The length doesn't significantly affect the amount of force the bar transfers from one side to the other. People adjust the length to remove preloading. The rest is pretty much nonsense. It is true that as you go through the range of motion of the suspension, the angle between the control arm and bar will change slightly, but it will not give the big changes in force that you described.

If you want to adjust how much load a bar applies, you move the mounting location, not the endlink length.

d
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