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Thread: Sway Bar Sizes

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    Sr Member Fuman's Avatar
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    Default Sway Bar Sizes

    What Sway Bar (Anti-roll bar) does:
    http://www.turnfast.com/tech_handlin...antiroll.shtml

    Mazda 3 Stock Bars
    Front Bar: 21mm (Solid)
    Rear Bar: 20mm (Solid)
    source: http://www.mazda3forums.com/index.php?topic=106175.0

    Mazdaspeed 3 Stock
    Front Bar: 26mm (Solid)
    Rear Bar: 26mm (Solid)

    Sway bar sizes:
    Eibach : 26/26mm F/R
    Source: Eibach's website

    Hotchkis: 29/32mm F/R
    source: http://www.torontomazda3.ca/forum/sh...14&postcount=1

    Progress: N/A / 22mm F/R
    source: http://progressauto.com/store/produc...roducts_id=423 provided by WildEmu

    Racing beat: 28.5/27MM F/R
    source: http://racingbeat.com/FRmazda_3.htm provided by pearly.

    Please provide corrections if any, and additional brand and sizes.

    Good reference why modifying your sway bar size, link given by sp3gt
    http://www.whiteline.com.au/docs/bulletins/010barup.pdf

    Hollow vs. Solid Sway Bars, link from MajesticBlueNTO
    http://www.whiteline.com.au/docs/bul...%20Swaybar.pdf
    http://forums.bimmerforums.com/forum...6&postcount=14
    Last edited by cwp_sedan; 03-23-2011 at 05:26 PM. Reason: updated sizes

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    Member doughboyr6's Avatar
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    Default Re: Sway Bar Sizes

    man hotchkis makes one hell of a thick rear bar...

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    Default Re: Sway Bar Sizes


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    Default Re: Sway Bar Sizes

    I think the hotchkis might make it too stiff. It's like more then 500% stiffer.
    Last edited by sp3GT; 07-13-2007 at 05:23 PM.
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    Default Re: Sway Bar Sizes

    The reason why its so big is that the Hotkiss bar is hollow while the others are solid.

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    Default Re: Sway Bar Sizes

    Quote Originally Posted by yearoftherat View Post
    The reason why its so big is that the Hotkiss bar is hollow while the others are solid.
    Ohhh, scratch what I said before then.

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    Jr Member boogie's Avatar
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    Default Re: Sway Bar Sizes

    Quote Originally Posted by yearoftherat View Post
    The reason why its so big is that the Hotkiss bar is hollow while the others are solid.
    Are there any advantages/disadvantages to using hollow vs. solid?

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    Default Re: Sway Bar Sizes

    Mainly weight savings. Solids can be really heavy....... I mean, really heavy

    Hollows save a lot of wait, but you need slightly bigger than a similar solid.

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    Default Re: Sway Bar Sizes

    Hollow vs. Solid design ...lots of engineering speak (Post #14) there to explain the advantages/disadvantages.

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    Default Re: Sway Bar Sizes

    Also in that thread linked is this Whiteline paper on Hollow vs. Solid sway bars

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    Default Re: Sway Bar Sizes

    Good writeups

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    Sr Member Fuman's Avatar
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    Default Re: Sway Bar Sizes

    Can mods sticky this?

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    Default Re: Sway Bar Sizes

    done
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    Default Re: Sway Bar Sizes

    Racing beat
    F 28.5
    R 27
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    Sr Member Fuman's Avatar
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    Default Re: Sway Bar Sizes

    added

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    Default Re: Sway Bar Sizes

    Good info on hollow vs solid
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    Default Re: Sway Bar Sizes

    I had both the Progress and the MazdaSpeed one.
    Even though the MazdaSpeed one was thicker...I found the Progress one gave a better result due to the double mounting points. You could bolt it in so it shortened the travel of the links as well.
    It gave a superior handling feel compared to the Mazdaspeed Bar.
    Smaller size...and smaller price......

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    Default Re: Sway Bar Sizes

    great writeup!

    just a little note, Eibach sways kit mount on OEM link kit will make some unpleasant noise, after search, a link-kit is recommanded to install with the Eibach swaysbar kit due to its extended length than OEM's.

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    Sr Member Fuman's Avatar
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    Default Re: Sway Bar Sizes

    Added a sway-bar resource. check beginning of first post

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    Sr Member Fuman's Avatar
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    Default Re: Sway Bar Sizes

    Updated Eibach sway bar sizes.
    Eibach lists them at 26/26 Front and Rear.

    Can someone confirm this is the case. It is weird to see front/rear the same sizes.

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    Default Re: Sway Bar Sizes

    Eibach
    Quote Originally Posted by MPS View Post
    front (23mm) and rear (25 mm)
    Source: http://www.torontomazda3.ca/forum/sh...34&postcount=1
    Quote Originally Posted by gizmo View Post
    The Eibachs are 25mm up front and 23mm in the rear.
    Source: http://www.torontomazda3.ca/forum/sh...79&postcount=8
    Hmmm.... contradiction....






    Stock
    Quote Originally Posted by bubba1983 View Post
    stock .83\" (21mm) front bar
    stock .79\" (20mm) rear bar
    Source: http://www.torontomazda3.ca/forum/sh...51&postcount=8
    Last edited by mit-gee-mui; 04-20-2008 at 03:26 PM.
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    Default Re: Sway Bar Sizes

    I have been looking for new Sway bars and came across another paper on hollow vs. solid. This is from Hotchkis, so i t may be a little biased seeing how their bars have always been hollow, but i can speak from personal experience that they have quality sway bars. I had them on my old car.

    http://www.hotchkis.net/_uploaded_fi...ons162file.pdf
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    Default Re: Sway Bar Sizes

    Any recommended places in the GTA/Ontario to buy the Hotchkis's?

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    Sr Member stevenma188's Avatar
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    Default Re: Sway Bar Sizes

    Can a mod update the OP with the stock sizes? 19mm for the front is incorrect, as it should be 21mm.
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