Contents
- 1 How does a triangulated 4 link work?
- 2 Why is 4 link suspended?
- 3 What’s better 3 Link or 4 Link suspension?
- 4 Does a 3 Link need a panhard bar?
- 5 How does a triangulated 4 link rear suspension work?
- 6 What’s the difference between parallel 4 link and triangulated 4 link?
- 7 What are the advantages and disadvantages of triangulated suspension?
How does a triangulated 4 link work?
On a triangulated 4-link the uppers bars are placed at an angle relative to the vehicle centerline. When connected securely to the axle and the frame, they form a “triangle”. This is what keeps the rear axle centered under the vehicle. There is no need for a separate lateral locating device.
Why is 4 link suspended?
The benefits of a four-link over a simple leaf-spring suspension include controlling axlewrap, better departure angles, controlling axle path, and reducing the uncontrolled variables of axle movement down to just spring rate and shock valving.
Do you need a track bar with 4 link?
The point to a triangulated 4 link is to keep the axle centered. So no track bar would be needed. If you do run a tri-4 link up front, your steering needs to be hydro or something else kind of funky. With out a track bar and having a draglink will give you bumpsteer.
What’s better 3 Link or 4 Link suspension?
3 link requires a panhard rod or trac bar to keep the axle from moving left to right. The 3 linl is easier to fit around engine/exhaust/etc… 4 link with dual triangulation done well will locate the axle without panhard rod but is sometimes a bear to fit the upper links and the frame end of lowers.
Does a 3 Link need a panhard bar?
Panhard or Trackbar: The panhard on a 3 link is the part that is used to hold the axle side-to-side within the vehicle. When the vehicle doesn’t have a steering box (like on a rig with full hydro), the general rule is to make the panhard bar as long and flat as possible to reduce side-to-side shifting of the axle.
What does 3 link suspension mean?
A third link runs from a higher point above the differential or elevated above the axle tube back to a point inside a frame rail. Finally, a panhard link connects one end of the axle to the chassis framerail on the opposite side of the vehicle to locate the axle from side to side.
How does a triangulated 4 link rear suspension work?
Triangulated 4-links and parallel 4-links accomplish the same thing. They locate the rear axle in the vehicle in its proper place. The bottom 2 links keep the axle in place front to back. The upper 2 links keep the axle from rotating, keeping the pinion angle as constant as possible.
What’s the difference between parallel 4 link and triangulated 4 link?
With a parallel 4 link you are locked into a side frame link position… with a triangulated 4 link the lower links can be placed beside the frame or under the frame for clearance purposes. Either system is very straight forward to install.
Can a 4 link suspension system be lowered?
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.
What are the advantages and disadvantages of triangulated suspension?
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.