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need help on determining what size sway bar to run

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Old Aug 26, 2009 | 07:52 AM
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Default need help on determining what size sway bar to run

i drive a 2000 civic ex. its on D2 coilovers.

i need help figuring out what size rear sway bar i should run.

i would like less body roll....this will be used for daily driving on public streets/highway only. i do not plan on doing any auto cross...just want a little more stability when entering turns

i have function 7 controls arms....i dont know if there are any good sway bars for that setup.....

i also do not want to change out my front sway bar

i would like a pretty neutral feeling when entering a turn....not too much oversteer or understeer


i hope that covers everything....give me your input. thanks!!
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Old Aug 26, 2009 | 08:24 AM
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Default Re: need help on determining what size sway bar to run

Originally Posted by 2000EJ8
i drive a 2000 civic ex. its on D2 coilovers.

i need help figuring out what size rear sway bar i should run.

i would like less body roll....this will be used for daily driving on public streets/highway only. i do not plan on doing any auto cross...just want a little more stability when entering turns

i have function 7 controls arms....i dont know if there are any good sway bars for that setup.....

i also do not want to change out my front sway bar

i would like a pretty neutral feeling when entering a turn....not too much oversteer or understeer


i hope that covers everything....give me your input. thanks!!

for your wants/needs an oem em1 rear bar will do the job.
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Old Aug 29, 2009 | 09:18 AM
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Default Re: need help on determining what size sway bar to run

just an OEM bar?
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Old Aug 29, 2009 | 11:10 AM
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Default Re: need help on determining what size sway bar to run

yep. for what you described that will do it.
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Old Aug 29, 2009 | 05:26 PM
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Default Re: need help on determining what size sway bar to run

You could change the front sway for an SI 26mm (the same as EK4/9).

You could put on an EM1 rear sway (13mm) or an (EDM) EK4 15mm if you could get hold of one. There would be no need then to change any other part.

This would give you a little more oversteer/less understeer and far less boy roll.

Last edited by kristo; Aug 30, 2009 at 06:19 AM. Reason: mistook the EX for the SI
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Old Aug 29, 2009 | 06:58 PM
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Default Re: need help on determining what size sway bar to run

a bigger rear bar will make the car feel more neutral than a smaller rear bar. there are also alot of other variables that control the "feel" of the car.

kristo you got pm.
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Old Aug 29, 2009 | 08:34 PM
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Default Re: need help on determining what size sway bar to run

Originally Posted by Egezzy
a bigger rear bar will make the car feel more neutral than a smaller rear bar. there are also alot of other variables that control the "feel" of the car.

kristo you got pm.
other things changing the feel as in what?
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Old Aug 29, 2009 | 08:54 PM
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Default Re: need help on determining what size sway bar to run

Originally Posted by kristo
You def do not need to change the front sway, it is 26mm and the same as EK4/9.

You could change your EM1 rear sway (13mm) to an (EDM) EK4 15mm if you could get hold of one. There would be no need then to change any other part.

This would give you a little more oversteer/less understeer.
US Civic EX runs on a 22mm Front sway bar.
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Old Aug 29, 2009 | 08:56 PM
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Default Re: need help on determining what size sway bar to run

some of the "simpler" things would be...spring rates...damper adjustments..tire pressures..alingment specs.
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Old Aug 30, 2009 | 06:17 AM
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Default Re: need help on determining what size sway bar to run

Originally Posted by Natural Aspirations
US Civic EX runs on a 22mm Front sway bar.
You'r right, sorry, mixed it up with the SI.

The EX has indeed 22mm front and no rear.
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