Choose from jegs, competition engineering and other high strength 4 link suspension kits or replacement parts. The 4link calculator lets you input, view, save, analyze and compare your 4link rear suspension geometry. Of all of the systems, the most common youll see today is the equal length fourlink, probably followed by the ladder bar. There are many thick textbooks, expensive software, and hundredpage internet forums out there on the subject of 4link geometry and it is. The rock slayer offroad 4link kits eliminate the panhard bar its a true 4link. Unmatched in strength, reliability and quality, the adjustable 4link suspension system uses the finest nas hardware available and is compatible with several different sizes and designs of rod ends, including 78 and 34. If your car wheel stands too much, you can angle the 4 link bars closer together at the. Most of our 4links are sold in complete rear suspension packages. The metric fourlink suspension design is a bit different than most other rear suspensions. With this easy to use microsoftwindows friendly software you are able to save, rename, and also print multiple 4 link setups for future reference. The air suspension provides increased operator and passenger comfort, ease of access. Part 6 in our series of tutorial videos that explain how to set up your rear suspension takes a look at basic 4link set up and adjustments.
Over the years, drag racers with door cars have gone through all sorts of suspension arrangements. They include the 4link with frame and housing brackets, coilover rear shocks with springs ratematched to your application and a choice of a panhard bar for street use or diagonal link race. Ridetech triangulated 4link systems are designed for the the professional builder who wants a straightforward, nocompromise rear air ride suspension. Looking for downloadable 3d printing models, designs, and cad files. If you are on the market for a more indepth, customizable 4 link suspension calculator, you will likely need to purchase software. A typical 4 link will have the rear attaching point of the top bar a few inches above the axle center but will have the attaching point of the bottom bar several more inches below the axle center. This is a stronger upgrade that comes standard in our kits, vs most kits on the market. Get worryfree extra bolt strength, and precision fit reducing the slop in your 4 link system from our nas bolt kit. Complete graphs and reports are included, and several new. The quartermax 4 link kit can be used in most sportsman and streetstrip applications. The 4 link calculator lets you input, view, save, analyze and compare your 4 link rear suspension geometry.
Upper lateral link, lower reversed aarm, twin trailing links rear the classis 60s sports and racing car rear 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. Link will be exhibiting at the 20th annual ntea work truck show. Apr 23, 2015 of all of the systems, the most common youll see today is the equal length fourlink, probably followed by the ladder bar. Jerry bickels 4link wizard professional version jerry bickel race cars, in cooperation with etc, inc. 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. Performance trends features engine simulation software as well as data acquisition and drag racing software, suspension software, race car software. Build your own 4 link suspension system with our shock brackets, tabs, and towers, coil spring bucket parts, 4 link dom kit, and our full line of enduro joints, heims and hardware. Along with the movement of the chassis, the front link attachment points move, and the rear ones move correspondingly. In this article well cover what we consider to be the three most important elements.
The popularity of the 4link suspension is due primarily to its ability to let the race car turn freely in the middle of the corner without compromising forward bite. Jun 25, 2019 unsure how what exactly to measure when it comes to our new 4 link software. Includes 8 nas bolts, an washers, and 12 point arp nuts. This is a triangulated 4link rear kit that is universal that can be used on any jeep cj, yj, tj, early bronco, or toyota. Susprog3d is the premier kinematic suspension design and analysis tool. Ultraride is a total conversion suspension that replaces a standard leaf spring suspension system. Lower lateral link, upper reversed aarm, twin trailing links rear a variation on the above. Besides these links controlling and transmitting the loads placed on the axle during acceleration and braking, the bottom links also control the axle placement front to rear.
Adjustable 4link suspension system is infinitely adjustable with 18 inch increments allowing hundreds of instant center options. The suspension analyzer does a complete 3d suspension analysis, including bump steer, ackerman, caster gain, anti dive, tire scrub, camber gain and much more. It makes sense, since this is the bar that also dictates the ic once the rest of the parameters are set. Universal rear 4link kit daves customs unlimited, llc. Chad discusses the proper way to to ensure accuracy and understanding within our 4link suspension software. This front forged four link upgrade kit has been specifically designed for your 4wd 20172018 ford f250f350 dually, and is an excellent way to upgrade any 46 lift kit. The universal 4link plotter will work on any 4link brackets both standard and adjustable. Actual link bars finish color is texturedblack powder coat. Quickly change instant centers without affecting pinion angle, preload, or wheelbase. Universal rear weldon parallel 4 link suspension kits. This configuration is common in general motors cars built in.
Track all chassis information including corner weights and center of gravity. The universal 4 link plotter will work on any 4 link brackets both standard and adjustable. Heavy duty rod ends are a must on any 4 link that will take right pedal abuse. Fourlink kits create a definitive center for a rear suspension, and are commonly used with a. The angle of the top bar is the final ingredient to determining how much bite the tire will have, and for how long. The popularity of the 4 link suspension is due primarily to its ability to let the race car turn freely in the middle of the corner without compromising forward bite. This front forged four link upgrade kit has been specifically designed for your 4wd 20172018 ford f250f350 dually, and is an excellent way. Add a 4 link suspension kit to your car or truck to add performance and adjustability to your suspension. Finally get a handle on your instant centeric location, to help you hook up and go fast. Jul 29, 2019 a demo of our 4 link suspension software. Not sure which suspension kit is the best fit for you. For windows 7, 8 and 10 with opengl see the faq for more details faq for more details. The jbrc 4 link rear suspension kit is manufactured with 4 moly 4 link brackets, 11 4 x.
Actual linkbars finish color is texturedblack powder coat. Our allnew 4 link suspension simulation software is an amazing new setup tool for your program. Ridetech triangulated 4link systems 18987999 free shipping. Helix 9240 trifive triangulated 4 link kit with hardware. Enter the dimensions of your 4 link system and it will automatically calculate wheelbase change, suspension cage index angle, and. The jbrc 4link rear suspension kit is manufactured with 4 moly 4link brackets, 114 x. To complicate things, there has been quite a bit penned over the years regarding suspension setupsome right and some wrong some very seriously wrong.
Our 4link kits set up your vehicle at stock ride height. They use rubber bushings to improve ride quality, do not require a panhard bar, and feature round, 0. Chad discusses the proper way to to ensure accuracy and understanding within our 4 link suspension software. Universal 4link plotter digital download quartermax. Ridetech triangulated 4 link systems are designed for the the professional builder who wants a straightforward, nocompromise rear air ride suspension.
Many people do not take this into any consideration with 4 link or ladder bars or 3 link suspension. 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. A 4 link suspension system is commonly used to replace leaf springs and shocks in vehicles to provide much greater stability while cornering, greater tire contact and traction for drag racers, and reduces body roll in lifted offroad trucks and suvs. Take a look at performance trends calculators here. 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. Competition engineering c2017 standard series 4 link kit. Designed and manufactured with attention to every detail, the product features excellent quality and durability you can count on for years to come. A 4link suspension system is commonly used to replace leaf springs and shocks in vehicles to provide much greater stability while cornering, greater tire contact and traction for drag racers, and reduces body roll in lifted offroad trucks and suvs.
Program software may be freely downloaded on any number of computers, but to activate software requires the purchase of a separate activation codes unique to each computer. To understand how a 4link can be made to provide such handling, you must first understand a few basics about rear suspensions. I am trying to model a triangulated 4 link suspension setup and am having difficulties in setting up the joints. Performance trends offers a few different options, including a free trial. If your car wheel stands too much, you can angle the 4 link bars closer together at the front to move the instant center closer to the rear of the car. Products 3 and 4 link suspension 4link brackets and kits.
Enter the dimensions of your 4 link system and it will automatically calculate wheelbase change, suspension cage index angle, and shock length throughout the suspension travel. Does anyone have a link to a program or even a flash program that lets you test different 4 link suspension setups. Most of our 4 links are sold in complete rear suspension packages. Check out the video below for a quick overview of this system and why its a musthave for any serious racer. The angled upper links provide lateral support for the rearend housing, eliminating the need for an additional panhard bar or watts link system. Used by many of the best teams in drag racing, chassis master is easy to set up and input information. Typical rear suspension screen, here analyzing an angled 4 link rear suspension and driveshaft movement and u joint angles.
The universal triangulated 4 link enables you to install a hightravel rear suspension using a minimum of components and custom fabrication. This lift kit by fabtech is the result of the companys hard work in developing aftermarket suspension solutions for discerning offroad enthusiasts. They include the 4 link with frame and housing brackets, coilover rear shocks with springs ratematched to your application and a choice of a panhard bar for street use or diagonal link race. There is no comparison to any other 4link software available. Allowing you to change things like mount locations, driveshaft angle changes with lift or drop. The 4 link wizard helps you determine the ic choices available with your fourlink bars so you can home in on the sweet spot and reap the benefits of a fourlink suspension. Four link kits create a definitive center for a rear suspension, and are commonly used with a. All rock slayer offroad 4link kits are authentic double triangulated 4link front and rear kits. Upper lateral link, lower parallel links, twin trailing. Chris alstons chassisworks, inc chassisworks weldin. The flatter the top bar, the easier it is to use its pull on the chassis to plant the tire. The quartermax 4link kit can be used in most sportsman and streetstrip applications. The air suspension provides increased operator and passenger comfort, ease of access and overall safety. Helix 9240 trifive triangulated 4link kit with hardware.
Unsure how what exactly to measure when it comes to our new 4link software. Competition engineering c2017 standard series 4link kit. There is no comparison to any other 4 link software available. Calculates all possible instant center locations plus percentage of rise and squat. Ultraride has been the chassis air suspension system of choice for manufacturers seeking to improve the ride and handling of light and medium duty vehicles. The universal triangulated 4link enables you to install a hightravel rear suspension using a minimum of components and custom fabrication. A fullyadjustable 4 link suspension allows you to move the instant center not only up or down, but also forward or back by increasing or decreasing the angle between the bars. Products 3 and 4 link suspension 4link brackets and.
Get worryfree extra bolt strength, and precision fit reducing the slop in your 4link system from our nas bolt kit. As you drag the mouse or the scroll bar, the car moves up and down in response. For windows 7, 8 and 10 with opengl see the faq for more details faq for more. Metric fourlink suspension design circle track magazine. To understand how a 4 link can be made to provide such handling, you must first understand a few basics about rear suspensions. Rear brackets feature upper and lower wheelie bar tabs, lower shock mounts and cross tube provisions. Oct 14, 2015 suspension geometry software for purchase. 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. Lift bars, slapper bars, super stock springs, leaf links, ladder bars, threelinks, fourlinks, and torque arms there may be others too, but its a start. Vehicle travel is simulated by dragging the image with the mouse or with a scroll bar. The four link rear suspension is designed to locate the rear axle with four links, two on each side. Upper lateral link, lower parallel links, twin trailing link rear a variation of the reversed lower aarm style. We also offer a several 3 link suspension kit options. Chassis master software tim mcamis performance parts.
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