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Triangulated 4 Link Rear Suspension SystemThe triangulated 4 link rear suspension. A newer style that has come stock in many vehicles and that works well as an all-around type of suspension. This is a 4 link suspension with the two upper links angled in toward the differential. The angled upper links hold the axle in place side to side, so a panhard bar is not needed.
Advantages: The triangulated 4 links hold the axle in place and you don't need a Panhard bar. This style of suspension works well for an everyday driver and also works well in cornering on a track. Disadvantages: Sometimes limited in terms of serious racing. Extreme cornering can lead to some roll bind, due to it's geometry. Changing out the bushings to Heim joints or urethane bushings will usually cure it though. This usually happens more in stock factory triangulated 4 links than in aftermarket designs. Another disadvantage if you are going to swap in a 4 link to something not offered with it is difficulty and cost. You will also need to have some welding and fabrication skills. Ok, so how do I lower my ride with a triangulated 4 link system? Well, you don't really... You can lower it a little bit with lowered springs, but if you lower it too much you will change the angle of the 4 links. This can affect how the suspension handles. If you want to lower it a lot for ride height, you will have to raise the mounting points where the 4 links attach to the frame. Some people do use this system for an air bag suspension so they can drop the frame on the ground. However, at ride height you still need the 4 links at the correct angles.
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