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Old 06-07-2006   #1 (permalink)
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Default Rear anti-sway bar question

I understand that the GT comes stock with some form of a rear anti-sway bar (hollow, I think). I have also heard many people talk about upgrading the stock one with one from Steeda or Eibach or such. Would a 24mm solid rear anti-sway bar make a significant difference over the stock hollow rear anti-sway bar in performance? Furthermore, I am about to install my Saleen suspension/lowering kit (along with my 14" brakes when they come in), but the Saleen kit does not come with a rear anti-sway bar or a panhard bar. Would I notice a significant difference in performance and/or handling if I go ahead and upgrade the rear anti-sway bar with installation of the Saleen kit and/or install a panhard bar? Or is the installation of both a rear anti-sway bar and a panhard bar over kill?
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Old 06-07-2006   #2 (permalink)
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Quote:
Originally Posted by mrvandermey
I understand that the GT comes stock with some form of a rear anti-sway bar (hollow, I think). I have also heard many people talk about upgrading the stock one with one from Steeda or Eibach or such. Would a 24mm solid rear anti-sway bar make a significant difference over the stock hollow rear anti-sway bar in performance? Furthermore, I am about to install my Saleen suspension/lowering kit (along with my 14" brakes when they come in), but the Saleen kit does not come with a rear anti-sway bar or a panhard bar. Would I notice a significant difference in performance and/or handling if I go ahead and upgrade the rear anti-sway bar with installation of the Saleen kit and/or install a panhard bar? Or is the installation of both a rear anti-sway bar and a panhard bar over kill?
The stock GT anti-sway bar is NOT hollow, it is solid steel and works / performs quite well.
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Old 06-07-2006   #3 (permalink)
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Quote:
Originally Posted by mrvandermey
I understand that the GT comes stock with some form of a rear anti-sway bar (hollow, I think). I have also heard many people talk about upgrading the stock one with one from Steeda or Eibach or such. Would a 24mm solid rear anti-sway bar make a significant difference over the stock hollow rear anti-sway bar in performance? Furthermore, I am about to install my Saleen suspension/lowering kit (along with my 14" brakes when they come in), but the Saleen kit does not come with a rear anti-sway bar or a panhard bar. Would I notice a significant difference in performance and/or handling if I go ahead and upgrade the rear anti-sway bar with installation of the Saleen kit and/or install a panhard bar? Or is the installation of both a rear anti-sway bar and a panhard bar over kill?
If you get a competition rear, you should get a matching front as well -otherwise you may get some squirrely handling.
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Old 06-07-2006   #4 (permalink)
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Quote:
Originally Posted by kscoyote
If you get a competition rear, you should get a matching front as well -otherwise you may get some squirrely handling.
I did not consider that possibility. Things that make you go hhhmmmm.... What about the panhard bar, should that be used in conjunction with the Saleen suspension/lowering kit? Also I know that the Saleen lowering kit (springs) are essentially eibachs, so one may conclude that the Saleen front sway bar is also essentially an Eibach as well. Does any one know this to be true or false?
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Old 06-07-2006   #5 (permalink)
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Quote:
Originally Posted by mrvandermey
I did not consider that possibility. Things that make you go hhhmmmm.... What about the panhard bar, should that be used in conjunction with the Saleen suspension/lowering kit? Also I know that the Saleen lowering kit (springs) are essentially eibachs, so one may conclude that the Saleen front sway bar is also essentially an Eibach as well. Does any one know this to be true or false?
Your rear suspension geometry will be upset by the lowering -To what degree, I can't say, but it would be more than a 4 link. The panhard bar location would be compromised . . .

I'd lower it first, drive it & see -before purchasing anything . ..
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Old 06-07-2006   #6 (permalink)
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Quote:
Originally Posted by kscoyote
Your rear suspension geometry will be upset by the lowering -To what degree, I can't say, but it would be more than a 4 link. The panhard bar location would be compromised . . .

I'd lower it first, drive it & see -before purchasing anything . ..
How will I know if I need a panhard bar? What should I be looking for in the car once it is lowered? I have already purchased the full Saleen suspension (front sway bar, shocks/struts, bushings)/lowering (springs) just waiting to install (waiting on brakes). I have also purchased an aluminum adjustable panhard bar (brand unknown). I have not yet pruchased a rear anti-sway bar, hence why I started this thread.

My concern is two fold, first, I want to lower my car and upgrade the handling, but I do not want to be hit by any "surprises" upon installation. Also, if I discover I need something to compliment the suspension/lowering kit, I figure economically speaking, it would be best to do it all at once.

So if I understand what you are saying, first, I should only upgrade or replace the rear sway bar if it is matched with the front sway bar (presumably same brand); second I may need a panhard bar due to the loweringof the car, but should not buy anything until after the install to determine exactly what I will need? Did I sumarize it correctly? By the way, what is a 4 link (you mentioned ) and how does it differ from a panhard bar?
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Old 06-07-2006   #7 (permalink)
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Quote:
Originally Posted by MakeMyStang
The stock GT anti-sway bar is NOT hollow, it is solid steel and works / performs quite well.
Are you sure the stock rear anti-sway bar is solid, and not hollow. I thought I read somewhere (probably an advertsiement or such for an aftermarket rear sway bar) that the stock rear anti-sway bar is a hollow tube as opposed to a solid bar. Do you by chance know the measurement of the stock rear sway bar?
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Old 06-07-2006   #8 (permalink)
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At least one of the stock sway bars is hollow (I'm thinking the front because it is a bigger diameter) and supposedly filled with sand or buck-shot, depending on when the bar was made (sand in the earlier cars) in order to reduce NVH.

Edited... Crap I think I was thinking about the panhard bar being filled with sand or shot. sorry!
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Old 06-07-2006   #9 (permalink)
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I can't cite the source, but my recollection is the FRONT sway bar on the '05 Mustang GT is a hollow 34 mm tube, and that the rear is a solid bar.
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Old 06-07-2006   #10 (permalink)
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Quote:
Originally Posted by mrvandermey
How will I know if I need a panhard bar? What should I be looking for in the car once it is lowered? I have already purchased the full Saleen suspension (front sway bar, shocks/struts, bushings)/lowering (springs) just waiting to install (waiting on brakes). I have also purchased an aluminum adjustable panhard bar (brand unknown). I have not yet pruchased a rear anti-sway bar, hence why I started this thread.

My concern is two fold, first, I want to lower my car and upgrade the handling, but I do not want to be hit by any "surprises" upon installation. Also, if I discover I need something to compliment the suspension/lowering kit, I figure economically speaking, it would be best to do it all at once.

So if I understand what you are saying, first, I should only upgrade or replace the rear sway bar if it is matched with the front sway bar (presumably same brand); second I may need a panhard bar due to the loweringof the car, but should not buy anything until after the install to determine exactly what I will need? Did I sumarize it correctly? By the way, what is a 4 link (you mentioned ) and how does it differ from a panhard bar?
4-link => Upper and lower control arms (Fox/Fox4 suspension).

Here's a couple of links

http://www.automotivearticles.com/Su...pensions.shtml
http://www.automotivearticles.com/Su...Design_2.shtml

*****************************************

I seem to recall an article, I'll see if I can find it on Panhard suspenstion . . .
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Old 06-07-2006   #11 (permalink)
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I installed the FRPP front and rear sway bars on my 06 and man what a difference. Much improved handling. I recommend it.
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Old 06-07-2006   #12 (permalink)
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Quote:
Originally Posted by kscoyote
4-link => Upper and lower control arms (Fox/Fox4 suspension).

Here's a couple of links

http://www.automotivearticles.com/Su...pensions.shtml
http://www.automotivearticles.com/Su...Design_2.shtml

*****************************************

I seem to recall an article, I'll see if I can find it on Panhard suspenstion . . .
Okay, I read both of these articles, and I still do not see how a panhard bar works or if I will even need one when I lower the car. I am taking it by the posts here, that the stock rear anti-sway bar is fine jsut the way it is. However, now I am concerned that if I swap the front sway bar for the new Saleen sway bar that I am going to have problems because the stock rear sway bar may not work as efficiently with an upgrade front sway bar.

If lowering the car will cause my rear end to be misaligned, then I am going to have to rethink my need to lower the car. I think I am getting to the point that lowering the car is no longer a good plan. It appears that lowering will improve the looks of the car and improve some aspects of performance but cause other issues. I may have to go with the theory that Ford knew what they were doing and installed the most appropriate suspension as a stock set up.
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Old 06-07-2006   #13 (permalink)
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http://www.modifiedmustangs.com/issuepreview/index.html

S197 Lowering - Yes sir, this is an all-new car and it has all-new issues to consider when you drop it. Thankfully, there are plenty of solutions and we check them out for you.
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Old 06-07-2006   #14 (permalink)
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My car has a pretty good drop, but i went with a coil over it VS. standard springs and it is pretty dropped and had it aligned at a good shop. I have no regrets, it rides nice and handles great....i did add a panhard bar from BMR because i got a good deal on it $50.00 I noticed the rear is stiffer and it does make a little more noise because of the eurethane bushings. My advice is when your done lowering the car, make sure you bring it to a good shop.

MRVANDERMAY....since you live in they bay area....the shop i took my car is in Mt. View just off the 101/rengstorff ave. Its called Custom Alignment....these guys are the best shop in northern california for any suspension issues. They cost more, but they are worth it. Bascially all the guys that work there has or have owned a race car with a tuned suspension so they really know their stuff and their equipment is top notch. I hope this helps
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Old 06-07-2006   #15 (permalink)
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I put in the Roush springs in the back which lowered it 1" and leveled the car out. I think that there is a little handling performance increase, but overall, I think the look of the car is better with the back lowered 1"

-danny

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