Time for Suspension Upgrades

[99Pony3.8]

The sub frame connectors are the single best thing you can do for your Mustang. You will not notice a huge diffrenece after installing them, but it is important. The Mustang is a unibody chassis, which over time has a tendancy to sag and losen up. The subs will connect the front sub frame with the rear one, stiffening the chassis. Make sure you get full length subs with the seat mounts. This is very important if you are going to stiffen the springs, because stiffer springs will put more stress on the chassis. The suspension will be stiffened so it absorbs less, transmitting more loads up into the chassis. The subs will prevent chassis flexing under load, which will make the car feel more solid and will make the suspension absorb more of the force, instead of a combination of suspension and chassis. Mustangs that are driven hard over time will have quite a bit of chassis sag, which is why the doors never seem to line up right. Subs will prevent that.

Maximum Motorsports makes awsome subs. Check them out http://www.maximummotorsports.com/index.html. Max MS subs are as good as any on the market, if not better. I avioded the Steeda subs because they did not say if they are full length or not.

The strut tower brace will prevent the strut towers from defelcting during hard cornering and will stop the towers from vibrating at high speeds. It will not stiffen the suspension or prevent rolling like a roll bar. It will make the Stang feel a little more crisp through hard corners and eliminates vibrations coming from the towers. Max MS make a very unique strut tower brace that attaches at the pinch welds on the firewall (which is the strongest part of the firewall) instead of in the center like all other braces. Also, according to Max MS, the strut tower braces that attach to the center of the firewall can crack the firewall because that is the weakest point. They claim their ST brace will not crack the FW because it attaches to the strongest point. Don't know if their claim is true, but I have had no issues with their brace, so I can endorse it with a clear conscience.

One more thing, especially if you are going to stiffen up the springs. Get a 4-point K-frame brace -- also called a g-load bar or g-force bar. Like I said above, stiffer springs will place more load on the chassis. The front suspension arms attach to the K-frame, which will carry most of that extra force. The 4-point bar will attach between the 2 legs of the K-frame and tie back in to the chassis. This will stiffen the K-frame quite a bit and will help offset that extra load. I have stock springs and noticed a huge difference after putting on the brace. Much less vibration coming through the steering wheel and firewall because the K-frame is not vibrating at all. GT's and Cobra's come from Ford with a 2-point brace, so even they know it is needed. Maximum Motorsports makes the best 4-point K-frame brace out there (Steeda only sells a 2-point brace which does not tie the K-frame into the chassis). Check out the Max MS chassis combo kit for about $350. It comes with the full length sub frame connectors with seat mounts, 4-point K-frame brace, and strut tower brace for less than the 3 parts individually. They also have very good descriptions of each part, why they are needed, and what they will do for you on the page for each individual part.