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rear sway bar only, competition heating up

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#1
hi everyone,

first let me say i got spanked by a few fiesta st's at the latest autocross event..

looks too me the fiesta pretty much has h-street wrapped up in my area atleast. i race a mitsubishi mirage 1.2 3cyl. I'm still new but within reason of taking on some of the lower skilled guys. i did some additional tweaking today and came to the realization i simply need a rear swaybar. which brings me here.

i measured up the fiesta SE (repeat SE) and it turns out, if i can buy a fiesta bar that bolts too the rear 2 bolts directly under shock, the two holed (four hole total) style, with no additional rubber mounts, i can pretty much make my own adaptors and it will bolt rather easy.

Cobb offers this style, and supposedly,eibach does as well... but i cannot find the rear bars sold seperate, only the front. furthermore, the eibach ones all seem too be the wrong style. can anyone point me in the right direction, or have any advice?

is eibach 35143.312 the correct part number, and just wrong photo?
 


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#2
The part numbers Tirerack has listed for the Fiesta SE Eibach bars are:

FRONT
Manufacturer Part #: 35143.310
Note: Front bar diameter is 25mm.

FRONT
Manufacturer Part #: 35123.310
Note: Front bar diameter is 25mm. This bar is non-adjustable and tubular

REAR
Manufacturer Part #: 35143.312
Note: Rear bar diameter is 21mm.
 


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OP
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Thread Starter #3
too confirm, the item listed has 4 bolt holes, mounts directly under the shocks, and does not use 3@4 mounting points, it is a 2 point bar? so the picture is incorrect? this is what's throwing me, i cannot find any actual information.

I've not seen a mini run but i bet they do quite well!!
 


OP
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Thread Starter #6
I can't really comment as I don't have rear bar in my car

I snapped a few pictures of the underside of my car when I was doing my shocks, it looks like there are two holes directly under the shock, but I don't think you could get a bolt in the one directly below the shock... well maybe if you put the nuts on from the bottom.
http://www.fiestastforum.com/forum/threads/9206-Rear-Koni-Shocks-Install


Just wondering, why are you putting a rear sway bar in your car. Is it understeering on you?
yes it understeers terribly, and has a stupid amount of rear roll. my torsion beam simply isn't up to the task.

being a 2-bolt per side unit, i should be able too make it adjustable, allowing me to really dial in the setting.

If by 4 holes you mean two on each side, then yes.

There are some excellent shots of it here
https://cobbtuning.zendesk.com/hc/en-us/articles/202951760-Tutorial-Fiesta-ST-Anti-Sway-Bar-Install
correct! thank you sir!
 


D1JL

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#7
The Eibach rear bar mounts with two bolts on each end, under each shock lower mount.

It is NOT adjustable.




Dave
 


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Thread Starter #8
The Eibach rear bar mounts with two bolts on each end, under each shock lower mount.

It is NOT adjustable.




Dave
i understand.

if you make mounts that are adjustable, it becomes adjustable. lol

essentially, the further forward you moved the bar, the less it would twist, becoming less effective. i just ordered a rear bar, I'll be sure to post pictures here when its installed.
 


D1JL

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#9
Good Luck.
You will not be able to move the bar forward as it will hit the twist beam.
You will not be able to move it back as it will hit the spring perches.
We looked at this when I was at Eibach setting this up.

The best I would suggest is to add spacers to one side so as to preload the bar and make it stiffer.

Back to my original statement.
The bar is still NOT adjustable.
Only the mounting points would be . LOL



Dave
 


LilPartyBox

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#10
He's running a Mitsu Mirage. He may have the clearance where as we don't. Should be interesting to see what he puts together
 


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Thread Starter #11
Good Luck.
You will not be able to move the bar forward as it will hit the twist beam.
You will not be able to move it back as it will hit the spring perches.
We looked at this when I was at Eibach setting this up.

The best I would suggest is to add spacers to one side so as to preload the bar and make it stiffer.

Back to my original statement.
The bar is still NOT adjustable.
Only the mounting points would be . LOL



Dave
Please remember I'm not putting this in a fiesta.

If you guys wanted it adjustable you could simply tilt it downward too clear the bar, or make a Polaris razor type mount and slide the bar rearward.


I'm not sure preloading the bar would work correctly? It would only work in one direction, and be softer in the other. Could be wrong.
 


D1JL

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#12
I'm not sure preloading the bar would work correctly? It would only work in one direction, and be softer in the other. Could be wrong.
I works just fine as you are adding tension to the bar.
The bar is still mounted to both rear arms so the tension is added equally.


Dave
 


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Thread Starter #13
I works just fine as you are adding tension to the bar.
The bar is still mounted to both rear arms so the tension is added equally.


Dave
It's a two point bar, with all due respect, you are simply incorrect.

You cannot preload a two point bar without shimming it weirdly, which would only work one way.
 


D1JL

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#14
It's a two point bar, with all due respect, you are simply incorrect.

You cannot preload a two point bar without shimming it weirdly, which would only work one way.

I guess it's just too many years of driving NASCAR and only turning left. LOL



Dave
 




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