Biggest/Stiffest rear sway bar - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 14 Old 12-02-2011, 10:42 AM Thread Starter
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Biggest/Stiffest rear sway bar

I am trying to get rid of the push that came with the Torque Arm installation. I can't go any stiffer on springs w/o changing shocks so I am looking for a bigger rear bar. My stock bar is a 23mm solid bar and the Eibach is a 24mm solid I think. Maybe 1 mm is a big difference...I don't know. Steeda's website doesn't say what theirs is. Any thoughts?


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post #2 of 14 Old 12-02-2011, 12:54 PM
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MM adjustable. I love mine.


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post #3 of 14 Old 12-02-2011, 09:33 PM
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Wont going to a stiffer bar be approx the same as stiffening the springs as far as how the shock sees the loads?
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post #4 of 14 Old 12-02-2011, 10:15 PM
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Ford replaced the 27mm tubular bar that came on the 98 Cobra with a 25mm solid. I think that is what the stand alone Steeda bar is but you should call and ask if you plan to go that route. I bought mine through Roush and it just came in a plain Ford box. I think Roush has discontinued it but they were cheap when they had them.

Sounds like the MM adjustable would be a better plan for you you though.

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post #5 of 14 Old 12-04-2011, 06:47 PM
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Each mm of bar thickness makes a huge difference because rates are compared by taking the (effective, hollow bars have a bit more math) sizes to the fourth power and comparing them. I.E., a 23mm bar has a value of 279,841 while a 24 mm bar has a value of 331,776. Thus the 24mm bar is 18.5% stiffer than the 23mm bar.
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post #6 of 14 Old 12-05-2011, 11:30 PM
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u can grab a rear swaybar off of any stang from like 79 to 04 i think, there are plenty of diff combos, betwwen new old, cobra or gt all different sizes im thinking to grab a 97 gt its 23 or 24 mm compared to the stock 89 gt or 19mm

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post #7 of 14 Old 12-06-2011, 08:43 AM Thread Starter
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Quote:
Originally Posted by aurdraco View Post
Each mm of bar thickness makes a huge difference because rates are compared by taking the (effective, hollow bars have a bit more math) sizes to the fourth power and comparing them. I.E., a 23mm bar has a value of 279,841 while a 24 mm bar has a value of 331,776. Thus the 24mm bar is 18.5% stiffer than the 23mm bar.
So going from my solid 23 to a 25 is roughly 40% stiffer?

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post #8 of 14 Old 12-06-2011, 10:53 AM
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but wouldnt running a massive rear swaybar lean more towards oversteer, and in essense less grip? i can see how u want a bigger rear bar because the car understeers so to compensate ur trying to bring it back to neutral, good points....

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post #9 of 14 Old 12-08-2011, 07:00 PM
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Yup stiffer in the back will cause her to swing around on you.
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post #10 of 14 Old 12-10-2011, 07:46 AM
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Im gonna try mm front and 23mm or 24mm in rear


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post #11 of 14 Old 12-10-2011, 09:49 AM
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On my 86 Vert, I'm running the MM front bar and their .75" solid adjustable rear bar at the lightest setting (95 GT). This results in a pretty neutral feel at the limit, but I have other mods too such as the wider F/R track, C/Os on the front and PM3L with PHB in the rear.
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post #12 of 14 Old 12-20-2011, 01:45 PM
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Rick,

It would seem that the MM rear bar would be best. IF you guessed wrong, it would be a LOT cheaper to change out the bars. You would also have some fine tuning for rainy days, etc. Just cost another $150-200 -- keep an idea of the MM deal of the day, maybe they'll run them.

I still need to get a ride in your car with the TA now!

How much negative camber are you running up front?

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post #13 of 14 Old 12-20-2011, 03:19 PM Thread Starter
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Rick,

It would seem that the MM rear bar would be best. IF you guessed wrong, it would be a LOT cheaper to change out the bars. You would also have some fine tuning for rainy days, etc. Just cost another $150-200 -- keep an idea of the MM deal of the day, maybe they'll run them.

I still need to get a ride in your car with the TA now!

How much negative camber are you running up front?
Increases camber to 2.5 which helped some.

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post #14 of 14 Old 12-21-2011, 07:03 AM
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As and ye shall receive - 15% off adjustable swaybars on MM's Deal of the Day - Deal of the Day : Maximum Motorsports, the Latemodel Mustang Performance Suspension Leader!

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