Take a look at performance trends calculators here. The 4 link calculator allows you to design, cost, and order complete linkages of multiple different styles, length, sizes and configurations. Design of a rear suspension configuration for a live. Can i modify a 32 triangulated suspension to work on my 23 tbucket. From heidts and ridetech, to detroit speed and helix, and many more, summit racing carries a massive selection of fourlink suspension kits from the most trusted brands in performance suspension. Oct 26, 2017 i am trying to model a triangulated 4 link suspension setup and am having difficulties in setting up the joints. Another fourlink design is the triangulated fourlink. Ridetech triangulated 4link systems are designed for the the professional builder who wants a straightforward, nocompromise rear air ride suspension. Apr 30, 2009 performance trends 4 link calculator demo movie saving and more. The kit can be used with rear coilovers and daves customs unlimited rear outboard shock tower kit or rear coil springs with our universal upper mounts and our lower coil mounts. Installation instructions 1932 ford rear triangulated 4link kit these two axis should be parallel figure 5 2 2714 2 figure 3 37 pinion angle of 2o see step 1 figure 1 figure 2 figure 4 16 1. It a pain in the ass to fit a fully triangulated 4 link setup under the front of your rig which is why you see a lot of people running a 4 link in the rear and a 3 link setup in the front. Designed to fit a tj or yj this is your change to get a screaming deal on our most popular brackets as a package. The triangular layout of the top links resists sideways motion, and the lower links resist thrust.
I am trying to model a triangulated 4 link suspension setup and am having difficulties in setting up the joints. Whether it is for a jeep, rock bouncer, rock crawler or even a. One of the issues with a triangulated 4 link, always seems to be the space and clearance they require to have them work correctly. The parallel four link needs a track bar to locate the axle side to side. Suspension geometry software for purchase if you are on the market for a more indepth, customizable 4 link suspension calculator, you will likely need to purchase software. Another four link design is the triangulated four link. Here is ridetechs universal triangulated 4link rear suspension system. Pressing the edit button immediately switches to edit mode listing more details about the dimensions of the model and allowing you to alter the model by dragging any of the tether points. Design of three and four link suspensions for off road use. As you drag the mouse or the scroll bar, the car moves up and down in response. To find the simple roll center of a triangulated link system, you would first find the instant center of the overhead bars figure 10. Performance trends 4 link calculator demo movie saving and.
In fact a great deal could be due to your front suspension setup. It worked great until i blew it apart for painting after shaking it out for three months. Compliance under load can have an important effect and must be checked using a multibody simulation software. Along with the movement of the chassis, the front link attachment points move, and the rear ones move correspondingly. At ride height, rear to front, bottom bars are 1 degree down and upper bars are 5 degrees up. Putting a triangulated 4 link under your car or truck is one the best upgrades you can make. We can make a triangulated 4 link to the specifications of your frame and chosen rear end. One of the most common questions we get about suspension setup and tuning is how 4 link geometry affects the performance and handling of a vehicle. Theres a couple reasons why you would choose a 3 link setup vs a 4 link with the main reason being packaging. One of the most common questions we get about suspension setup and tuning is how 4link geometry affects the performance and handling of a vehicle. The center of the hole marked hole a in figure 3 should be exactly 4516 measured vertically from the center of the top hole on the lower crossmember, and exactly 38 measured horizontally. A guide to tuning your four link suspension system posted by wayne scraba on april 23. Performance trends 4 link calculator demo movie saving and more.
It will take some time sitting under your rig seeing what you have to work with and playing on the 34 link calculator. Mock up the suspension using the 4 link bars to locate the triangulated frame mounts. Geometry being what it is, all suspension systems have. Choosing the right shocks, coilovers or air, reservoir of mono tube all details will be discussed, plus ian builds a mock up chassis and gives stepbystep instructions on. Apr 01, 2008 to find the simple roll center of a triangulated link system, you would first find the instant center of the overhead bars figure 10. Chris alstons chassisworks, inc chassisworks weldin. I wouldnt rush right out and start changing 4 link geometry. Like all ridetech 4links, this design features rjoint rod ends. A newer style that has come stock in many vehicles and that works well as an allaround type of suspension. Rear suspension design three link four link two link. If you are on the market for a more indepth, customizable 4 link suspension calculator, you will likely need to purchase software.
Position rear end housing in place with 4 of clearance between top of axle tubes and bottom. A fourlink suspension uses links to locate the axle from moving side to side and. A custom 1949 mercury on full air ride suspension to be exact. With frame leveled side to side and sitting at the rake if any front to rear that it will be finished, locate rear axle centerline and mark on frame rail sides. Performance trends offers a few different options, including a free trial. A 4links is a great way to upgrade your cars performance and ride quality especially when compared to leaf springs. There are many thick textbooks, expensive software, and hundredpage internet forums out there on the subject of 4link geometry and it is very.
How to choose a custom suspension, building a double triangulated 4 link, plus rock racing from jellico, tn. Computer program to simulate and analyze rear suspension 4link. Ridetech triangulated 4 link systems are designed for the the professional builder who wants a straightforward, nocompromise rear air ride suspension. You enter heights above the ground and distance ahead of the front axle for up to 6 holes for all 4 brackets for your car, or any number of cars. Ridetech triangulated 4link systems 18987999 free shipping. The parallel fourlink needs a track bar to locate the axle side to side.
In this kit you get a square tubing 4link that has 2x2 bottom bars that have a 14 wall thickness. Although there are several theories as to which type of 4link is better, it comes down to available space and preference. They use rubber bushings to improve ride quality, do not require a panhard bar, and feature round, 0. The 4 link calculator lets you input, view, save, analyze and compare your 4 link rear suspension geometry. This item does not ship for free place your order and an avs representative will call you with a shippingfreight total before final processing. When connected securely to the axle and the frame, they form a triangle. Four heavy duty 24 steel bars four zinc plated steel rod ends w urethane bushings two steel, weldon axle mounts two steel, weldon fame mounts four steel, weldon center link axle mounts ten hex head bolts with nyloc nuts. This item does not ship for free place your order and an avs representative will call.
I am putting a triangulated 4 link in my 71 duster and i understand all the geometry for a 4 link but i am wondering if there is an advantage of having the top bars angle from the center of the axle to the frame rail over having the bars come from the axle to the center of the vehicle via a cross member. Note the two pairs of links, the coilover shocks and their mounts, and the panhard bar in the rear. Chandler spent nearly 800 hours using a cad program to design and refine. Heavy duty rod ends are a must on any 4 link that will take right pedal abuse. Triangulated four bar rear suspension tbucket forums. Jul 19, 2004 to answer the original question, i concur that what the lift kit manufacturer is saying is that the triangulated 4 link eliminates the tracbar or panhard rod that controls the axle laterally. Whether or not it will hang low enough to get the tire off will depend on the geometry of the suspension, body, and air bags. Pressing the edit button immediately switches to edit mode listing more details about the dimensions of the model and allowing you to. Like the front system, the vertical separation of the links resists the drive and braking torsion.
The universal triangulated 4 link enables you to install a hightravel rear suspension using a minimum of components and custom fabrication. Summit racing has everything you need to build the triangulated or parallel 4link suspension setup you want. In this article well cover what we consider to be the three most important elements. Installation instructions 19551957 chevy triangulated 4link. Anytime you add a pivot, you add a wear item and the potential for deflection. Please practice handwashing and social distancing, and. This will eliminate side to side deflection of the axle, as the suspension cycles vertically, that would otherwise be present with a panhard rod. A guide to tuning your fourlink suspension system posted by wayne scraba on april 23. Oct 01, 2014 triangulated four bar rear suspension. Putting a triangulated 4link under your car or truck is one the best upgrades you can make.
The image above shows the parts of a 4 link suspension system, laid out as it would be installed on the rear chassis and axle housing. Triangulated 4 link rear suspension system chassis fabrication. Im able to get the motion to work correctly until i add the upper bar shown in the attached image in red im wondering if the joints think they are conflicting the bottom bar joints. To answer the original question, i concur that what the lift kit manufacturer is saying is that the triangulated 4link eliminates the tracbar or panhard rod that controls the axle laterally. I would rather do a 3 link in the front for steering reasons and i would use coil overs with a stiffer spring rate to help with stability around corners. Looking at various rear suspension configurations, design a rear suspension. Including genuine currie johnny joints not like what is used by our competition, 4 x. On this episode of rock rods tech jake burkey teaches us about the dos and donts of building a double triangulated 4 link suspension. Lets compare two popular types of 4link rear suspension systems.
Triangulated 4 link question for a bodies only mopar forum. This is a builders package with our 3 link front and our double triangulated 4 link rear suspension bracket kits. This thesis outlines the process of designing a three link front, and four link rear suspension system. Apr 6, 2017 the triangulated 4 link rear suspension. What the parallel fourlink gives up in strength compared to the radius arm, it makes up for in better ride quality and handling. Choosing the right shocks, coilovers or air, reservoir of mono tube all details will be discussed, plus ian builds a mock up chassis and gives stepbystep instructions on how to calculate and build his favorite set up. What the parallel four link gives up in strength compared to the radius arm, it makes up for in better ride quality and handling.
Since reassembly, i can feel it bounce and skate through bumpy corners. I have built several vehicles with triangulated 4link suspensions previous as well as a couple parallel 4 bar setups. The angled upper links provide lateral support for the rearend housing, eliminating the need for an additional panhard bar or watts link system. This is a 4 link suspension with the two upper links angled in toward the differential. The universal triangulated 4link enables you to install a hightravel rear suspension using a minimum of components and custom fabrication.
We can make a triangulated 4link to the specifications of your frame and chosen rear end. Vehicle travel is simulated by dragging the image with the mouse or with a scroll bar. Personally for the type of vehicles im dealing with i typically prefer a triangulated 4link so i. Triangulated 4link rear suspension street rod engineering. This is a triangulated 4link rear kit that is universal that can be used on any jeep cj, yj, tj, early bronco, or toyota. The 4link calculator lets you input, view, save, analyze and compare your 4link rear suspension geometry. Universal rear 4link kit daves customs unlimited, llc.
This is the 4link kit from our legend suspension kit. These systems are commonly found on vehicles used for the. From heidts and ridetech, to detroit speed and helix, and many more, summit racing carries a massive selection of four link suspension kits from the most trusted brands in performance suspension. Five years ago, i fabricated and installed a triangulated 4link rear suspension on my 29 hiboy w32 frame that was originally built in the 80s, so this was a major upgrade. Image result for triangulated 4 link suspension geometry. Universal weldon triangulated 4 link suspension kit. On a triangulated 4 link the uppers bars are placed at an angle to the lowers. This 6372 c10 rear back half kit by choppin block allows you to lay frame, all while gaining better geometry and strength. The four link rear suspension shown in figure 4 three link front left and four link rear right uses four primary links and no secondary links. This document, the associated hardware, software, drawings, and other material. This is the 4 link kit from our legend suspension kit. Summit racing has everything you need to build the triangulated or parallel 4 link suspension setup you want. Designed to fit a tj or yj this is your change to get a screaming deal on. I feel a 4 link is superior to ladder bar, but more time.
This is what keeps the rear axle centered under the vehicle. Choose from jegs, competition engineering and other high strength 4 link suspension kits or replacement parts. Installation instructions 1932 ford rear triangulated 4link. Oct 14, 2015 suspension geometry software for purchase. You can easily design a 34 link to drive well down the road. At some point you will want to enter your own suspension geometry data or even just just view the current model in more detail.
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