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Steeda X-Series Ball Joints For Lowered Mustangs

Old 05-13-2010, 06:01 PM
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Steeda X-Series Ball Joints For Lowered Mustangs

Suspension geometry is a very complicated subject, one that few people fully understand. Relative to our Mustangs, what most people do not realize is that whenever you alter the ride height of your car, as you do when installing lowering springs, you dramatically alter your suspension geometry. We are not talking about wheel alignments here – rather we are talking about steering geometry changes that have a discernable impact on your overall vehicle’s performance.

That is why Steeda have announced their X2 and X5 Balljoint kits for 1994-2009 Mustangs. These provide an easy fix to correct the problem that every lowered Mustang will experience. Their X2 / X5 Balljoints improve your vehicle’s suspension geometry on by raising the spindle relative to the balljoint pivot-point. This in turn raises the vehicle’s roll center back into the correct range for optimum handling, resulting in reduced body roll, quicker steering response and improved front tire grip – all key components for maximum vehicle performance.

This is necessary because when a Mustang is lowered, the front roll center changes due to the new position of the suspension pivot points. Lower the car too much and the front roll center drops to well below ground level, and worse than that, the roll center moves side to side as the body rolls, resulting in lost grip and erratic handling. Additionally, the lower roll center causes the body to roll more easily. Countering this tendency usually requires a significant increase in front spring rates to simply control the added roll due to the lowered the roll center. This higher spring rate not only hurts ride quality, but it also reduces grip on rough surfaces, as the stiffer springs cause the tire to skip over bumps instead of following the contours of the road. Steeda says the X2 /X5 balljoints were designed eliminate these problems by correcting the front roll center geometry perfectly.

The Steeda X2 balljoint has a longer shaft which rasies the spindle relative to the balljoint pivot point. Spacers for the springs are included in the X2 kit to maintain the same ride height as a stock balljoint, but with a much improved roll center height. With the roll center restored to proper height, smaller front swaybars and softer springs can be utilized. The result is a suspension that works for you to accommodate the small and large imperfections that are in any road or track, allowing the tires to remain firmly planted on the ground where they belong.

Last edited by VAEM; 05-23-2010 at 07:25 PM.
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Old 05-13-2010, 08:18 PM
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This is one of those things i keep in the back of my mind.Is it really important to install these on a lowerer stang that is only used for pleasure,and best kept for the hardcore guy?My GT is pretty low,and i think it steers,and handles fine as is.Buuuut i'm not a corner carver either.
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Old 05-14-2010, 08:15 AM
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Should this be used if you have the bumpsteer kit installed?
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Old 04-26-2012, 09:03 AM
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forgive my lack of technical information knowledge. this female has always loved mustangs but hasn't always loved learning the mechanics and technical jargon that goes with car maintainence. i own a lowered 2005 mustang gt-r convertible and i have wondered ever since i bought it about the scary touchy handling on our awful roads here in manitoba. for example, most older highways have the well-worn grooves in the road from wear and tear that you have to come out of to change lanes. when i am doing this it is really jerky or unsmooth (nice word) almost like you are momentarily losing control. is this what you mean? will the steeda ball joints help with this? or is it due to my low profile tires? it just seems that you really have to be on your toes when you are on the highway.....very touchy steering.
looking for answers if anyone has any.
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Old 04-26-2012, 10:30 AM
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First thing to check would be for proper alignment, and any worn suspension components or abnormal tire wear. Also, the steering getting pulled around by ruts and grooves in the road is more commonplace with lower profile stiff sidewall tires.

A "GT-R" Mustang doesn't exist from the factory, was this car a dealer conversion package maybe? Did they put larger aftermarket or Ford Racing wheels with bigger tires on? What size and model of tires are on the car? Maybe lowering springs? Knowing what components are on the car would help us advise you. If it has lowering springs without upgraded shocks, that could be part of the trouble.

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Old 04-26-2012, 11:03 PM
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Ed has it covered and thanks for the info V
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Old 04-29-2012, 12:13 PM
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Anytime ... I've got the Steeda X-series on my rides. love em
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Old 04-29-2012, 10:11 PM
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personal experience, can't beat that
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