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Modifying Your Foxbody Mustang's Suspension For Performance & Comfort

Written By: Connor MC

Foxbody Suspension Parts

There's little point in adding power to your Mustang if you do not have a suspension setup that allows you to get that power to the ground. If you have trouble gaining traction or suffer from flex or wheel hop the aftermarket is your answer.

Shop Suspension

True to the classic stereotype of American muscle cars, Foxbodies (1987-1993) are real good at thundering down a straight track. However, when a corner comes into view, the modified-MacPherson setup is unsure of how to cope. The good news is, there are many solutions to fixing this, read on to learn what options are available to correct these handling issues.

American Muscle

Why Upgrade my Fox Body Mustang's Suspension?

There are many reasons to upgrade. Some people would like their Mustang to be a drag king. Others, an auto-cross master (track racing). Many Mustang enthusiasts just want an improved ride over the stock components. All of these situations are entirely feasible and use different suspension components to attain the desired result. To get the ball rolling, we'll start with over viewing a basic suspension upgrade to restore ride quality to your Mustang. From there we can motor on to more complicated and performance-enhancing applications.

1993 Convertible Foxbody Ready for a Drag Run

Restoring your Mustang's ride – OEM upgrades

As mentioned, some Mustang owners are just seeking to restore the ride quality of their Mustang. Over the years, wear and tear, use and abuse will take its toll on the stock suspension components. As such, performance, handling and even braking will suffer. Replacing the worn components with today's modern counterparts is a sure fire way to improve handling, ride characteristics, poise and perhaps most importantly, safety of the car. Let us take a look at what is available in terms of retaining the stock strut and coil setup. There are three main suspension components to examine:

  • Struts -  adjustable struts such as Koni, Bilstein and Eibach are a major upgrade over the stock unit
  • Coil springs - stiffer springs, tighter handling
  • End-links - brand new links rejuvinates handling 
Foxbody Springs, Shocks, Subframe Connectors, and Caster/Camber Plates

A Mustang's Struts

The world of struts has come a long way since the implementation of those barbaric struts installed back in the 80’s. Offerings from Bilstein, Lakewood, Tokico and KYB are widely popular replacement struts and range from an economical basic strut to an all-out road warrior piece. These aftermarket companies produce high quality struts for every type of application.

KYB: KYB offers 2 models of front struts – the AGX series and GR2 series. The GR2 are rated as an OE-quality replacement, perfect for those looking to improve their ride without breaking the bank. The AGX series is their higher end version. It offers improved performance over the basic GR2 and boasts full adjustability to fine-tune the struts dampening effect dependent on your preference. 

KYB Mustang Shock

Tokico: Similar to KYB, Tokico employs a two stage offering. Commonly referred to as Tokico ‘Blues’ (hence their blue color), Tokico’s HP series is an entry-level performance strut designed to maximize stock ride like characteristics but add an additional edge when tracking through curves. Their next level is the D-Specs, also featuring an adjustable dampening system. This allows for the driver fully customize the performance characteristics of the strut. Dampening rates fit for comfort to drag racing can be activated, all thanks to the well-engineered valves inside the strut.

Lakewood: Lakewood is largely known in amongst the drag racing pool, but they too have developed a mild street/strip strut for the Foxbody. Lakewood has engineered a nice blend of performance without sacrificing comfort or poise with their 70/30 labeled struts.

All of the aforementioned struts range in price from a mild $60/piece to a moderate $140/piece, offering varying levels of performance in parallel with price. The next set of struts can cost as much as those listed above. However, these struts are considered to be a popular option amongst Mustang modifiers.

Tokico Mustang Strut

Bilstein: As stated, these bad boys are heavy hitters. They’ll cost you more, but accompanying that price tag comes undisputed performance, recognition and popularity amongst the aftermarket Mustang crowd. Bilstein HD’s (Heavy Duty), of all the struts listed, are the most orientated to vehicle handling and performance. Due to this, their ride can be stiffer compared to the other struts. However, if you’re looking to carve corners like your car is on rails, you can’t go wrong with Bilstein HD’s. Among stock geometry suspension setups, Bilstein HD’s are among the highest performing.

When buying and installing new struts it is strongly recommended to replace the mounting hardware as well. MOOG provides a quality front strut assembly mounting kit with all the necessary components to get the job done right.

Bilstein Heavy Duty Mustang Strut

Mustang Coil Springs

The second suspension component that needs to be addressed (on the front end) are the coil springs. After years of use, the coils will certainly have lost some of their ‘bounce’. Replacing the old-worn out springs with new coils are the preferred solution. They will rectify your Pony’s off-balance stance and add a new ‘spring’ to its step at very little cost. Just make sure to select the right spring set according to your car’s trim and equipment. i.e: AC equipped cars may use a slightly different spring to accommodate the added weight of the charging system. Coil springs are also called lowering springs as you can select a set that will drop the front end of your Foxbody and fill in the gap between your tire and the fender.

Foxbody Front Coil Springs
Front Coil Springs

Fox Body Suspension - End-links

The last components to be examined are the stabilizer bar end-links. What are these end-links? They attach the front stabilizer bar to the lower control arm, one on each side. Often overlooked, these simple components can play a big role in handling and overall feel over the car. Over time, the stock bushings wear and the links themselves can even break. Replacing these with a simple OE replacement kit is highly recommended. If you’re looking for a slighter stiffer, better performing ride, opt for a kit with polyurethane bushings.

Replacing the Big Three (struts, coil springs and end-links) up front, using any of the parts listed, are guaranteed to give your Fox Body a whole new ride – even if you have selected simple OE replacement components. Any of the above parts will make a capable road machine; fun to drive but uncompromising in comfort. If you’re looking to go one step further and take your road warrior to a track monster, check out the next section: Fox Body Suspension Pt. 2 - Building For Performance.

BMR Suspension Adjustable Mustang Control Arm