This is a must for rear end centering after vehicle lowering, as well as 60 ft times. Hawks sinister tubular oncar adjustable torque arm replaces the flimsy stock stamped torque arm while adding increased strength and rear end adjustment. Bmr suspension tas001 torque arm suspension kit, gm 12bolt. As production cars became wider and lower in the 80s, the classic fourlink suspension evolved into the torque arm rear suspension most widely used in the thirdgeneration, 82 to 92 camaros. Hundreds of photos and illustrations illustrate what it takes to design, build, and tune the ultimate chassis for maximum cornering power on and off the track.
Buy torque rods and torque arms for volvo trucks at or call 18003584751. Nov 01, 2010 we take a look at bmr fabrications torque arm suspension conversion kit on a 1970 chevy camaro. The torque arm mounts in the factory mount with a 95durometer polyurethane bushing. I am trying to build a car that is capable of running at multiple types of racing, and still be good on the street. Nbpower torque armuniversal for ebike electric bicycle front or rear,m14 for w or 1500w ebike conversion kit,electric bike kit torque arm for bldc hub motor 1pcs by nbpower. Torque arm mount bushing, camarofirebird 822002 energy. A pair of flanged adjusters, when rotated, shift the rear section of the arm between the mounting tabs and aligns the position of the front pivot to chassis mount. Torque arm glink suspensions chassisworks torque arm glink suspension brings superior protouring handling performance to nearly any vehicles. In addition to our torque arm kits that can be added to leafspring cars, bmr also offers complete torque arm suspension systems for first and secondgen. The heavyduty chromemoly adjuster in the torque arm allows for oncar fine tuning of pinion angle. I did have to convert it to a slip joint telescopic like some of the first gen bolt in kits use. A torque arm suspension is a variation of a 3link suspension. Depending on the type of racing for race cars, the road surface and evolution of the vehicles, the suspension is designed to accommodate multiple requirements. Chassisworks gstreet torque arm pinion angle adjustment youtube.
Suspension tuning is a critical part of getting the ultimate performance package, it is even possible to have a more competitive car then a rival with superior upgrades by having a well balanced set up, which maximises the available grip levels. Bmr suspension ta001h fbody torque arm adjustable bolt in. Subframe gconnectors and center support create the torque arm chassis mount and are required for operation. The types of rear suspension systems in use on most production chevrolet cars include two leaf springs, two coil springs with a fourlink system, and two coil springs with a twolink system, a. It looks pretty good, im planning a similar setup on a 4407278. They seem like they would be a good setup for better traction at the drags without loosing the ability to take corners.
Ideally any other locating arms should be parallel to the ground with the car at ride height and if those arms are short compared to the length of the torque arm there should be some means for the torque arm to move back and forward at the forward mount. A big ass torque arm in the middle with two outboard control arms made out of 3536 bones. Torque arm kit the tcp torque arm is a bolton, pinion angle adjustable, traction device that can be used with our rear pushrod or factory leaf spring suspensions. How speed tech prevented the torque arm from binding is unique as far as we know. The cortex torque arm changes the antisquat and antilift geometry of the rear suspension. Fine tuning your suspension setup for your driving style. The system helps out by converting the stock leaf springs to. Since suspension components must endure tremendous loads, only the finest materials are used to ensure that bmrs torque arm kits are as durable as possible. Development of the unbalanced engineering decoupled torque arm for the 4th generation fbody platform design goals. Nbpower torque arm universal for ebike electric bicycle front or rear,m14 for w or 1500w ebike conversion kit,electric bike kit torque arm for bldc hub motor 1pcs by nbpower. All in all it seemed to help with wheel hop when getting out of the gas and getting on the brakes. I have a 68 firebird and i am seriously considering either the torque arm or 4 link suspension. We take a look at bmr fabrications torque arm suspension conversion kit on a 1970 chevy camaro.
Aftermarket manufacturers make kits that retrofit an existing radius arm suspension to a parallel fourlink design and use coil springs and a track bar to center the axle. All round tubing used in the construction of our torque arm kit is 0. A torque rod can also be called a radius rod, radius arm, torque arm, or dog bone. Jun 30, 2015 a skillfully engineered system with multiple geometry and setting adjustments for tuning and refinement, chassisworks torque arm glink suspension directly replaces the oem leaf springs and shocks for significant performance increases in cornering ability, throttle response, and braking stability. Tuning 4 link rear suspensions for the drag stripleaf springs rear suspension systemtriangulated 4 link rear suspension systemparallel 4 link rear suspension system3 link rear suspension system. Bmr suspension torque arm adjustable boltin red 1982. Similar to traction bars, the arm converts torque to downward force at the tires, but has the benefit of providing improved traction during both straight line and cornering acceleration. A skillfully engineered system with multiple geometry and setting adjustments for tuning and refinement, chassisworks torque arm glink suspension directly replaces the oem leaf springs and shocks for significant performance increases in cornering ability, throttle response, and braking stability. Bmr torque arm suspension conversion kit car craft magazine. While eds car was already a torque arm suspension car, we mostly build our custom torque arms for customers who want to install a torque arm suspension into a car that had a leaf sprung or other type of rear suspension system from. When a mustang is lowered from the factory ride height the rear suspension geometry is compromised reducing rear grip under acceleration.
Pinion angle is adjustable using a heavyduty cnc machined 4 chromemoly adjuster. The torque arm cross member gives you five positions for instant center and pinion angle adjustability. A delrin bushing bolted to the forward end of the arm slides into a tube at the kits center crossmember. Torque arm suspension is an evolution of the older torque tube suspension system.
A variation on the radius arm suspension is the parallel fourlink, shown in the figure above. Diy torque arm fabrication part 1 after buying the mathis book mustang performance handbook 2, i got all inspired on fabricating my own torque arm. These systems have the driveshaft and suspension combined into a single unit, which is rigidly attached at the axle end and pivoted in a single massive pivot ball at the transmission tailshaft. Development of the unbalanced engineering decoupled torque.
A good rule of thumb is to add 1520 pounds for gear. So, as ed pointed out, if you lower the rear pivots for the lower links. If ever you see the explosion it means that a clash or breakage would occur. Reason, the bottom of the strut for 987s is about 18 wider, hence, the bottom of the strut will not slip in between the 986 wheel carrier. Torque arm glink suspensions chris alstons chassisworks. There are dozens of variations of suspension types used on race and passenger vehicles. The tci torque arm features a unique joint on the front of the arm that slides for and aft and rotates as the car goes through suspension travel thus allowing the cars handling to be controlled by the coilover shocks and the rear sway bar with no suspension binding variables. In the past on my previous rides, after initially getting some good ideas on the raw materials required on several suspension parts and checking prices i got really inspired seeing how cheap and readily available most of the materials are,so i. This is the single most important initial adjustment you can make, matching the sled to the rider weight. Hello, has anyone installed and tested speedtechs torque arm suspension.
The system helps out by converting the stock leaf springs to torque arms and helping with the. Apr 24, 2012 in addition to our torque arm kits that can be added to leafspring cars, bmr also offers complete torque arm suspension systems for first and secondgen fbodies that replace the leaf springs. A mustang torque arm is considered by many to be the ultimate rear suspension component for any road race, drag race, autocross or street mustang. Camaros and firebirds from 1982 to 2002 used this type of suspension and performed great. Torque arm suspensions are very common on medium and heavyduty trucks and trailers. Bmr suspension tas001 torque arm suspension kit, gm 12. Torque arm suspension systems chevy high performance. The initial setup procedure should be to adjust the rear sag of the sled, specific to the riders weight with gear. Essentially a third gen camaro rear suspension using all early ford parts. The torque arm mounts to the cross member with a 95durometer polyurethane bushing and a heavyduty. Stability results whereas a neutral camber would result in. Chassis engineering explains the complex principles of suspension geometry and chassis design in terms the novice can easily understand and apply to any project. Most of the good torque arms are adjustable, and theres no reason to buy an aftermarket torque arm thats not adjustable unless you dont plan on drag racing.
Ray is right about the johnny joint which is very similar to the rotojoint i modified my wifes 02 trans am torque arm i said bmr,but it is actually a umi torque arm with. The hot rod torque arm rear suspension picture thread. You can use this as a gauge to work out the extents of the suspension travel. The torque arm uses the rear factory mounting locations with heavyduty rod ends. Sep, 2010 it looks pretty good, im planning a similar setup on a 4407278. Torque rods are suspension links that are meant to limit the movement of the axles without limiting suspension articulation. Porsche boxster frontrear suspension overhaul 986 987. The angle of the wheel hub in relation to the suspension arm is described as the angle of caster. Ed needed a torque arm to work with the custom crossmember set up he built for his 2001 pontiac trans am ws6. Torque arm suspension systems chevy high performance magazine.
Innovative design and careful engineering helped to create a modular component system that adapts easily to oem or custom frame rails. Stability results whereas a neutral camber would result in the wheel wobbling around the axis. Tci 67 68 69 camaro firebird torque arm 3 link rear. The torque arm does need to be rigid at the rear end if you want it to act as a torque arm. Decrease rear wheel hop under braking the first design goal is an outgrowth of the increase in torque output of the 4th generation. Other systems come with a wishbone instead of a control arm which technically attaches the suspension frame at two points. The positive caster keeps the wheel straight when going along a bit like a pram wheel the connecting arm to the hub is set slightly back. Together these components create a superior handling suspension system with multiple geometry and setting adjustments for further tuning and improvement. Finetuning suspension for maximum traction march 15, 2015 by muscle car diy this chapter explains some of the methods to correct or adjust the rear suspension of your illhandling race car. Torque arm suspensions have been stock on many cars for a long time, from the 1930s to the current day. Suspension setup and suspension settings and fine tuning.
The heavyduty design eliminated torque arm deflection, allowing power to transfer. Bmr suspension torque arm tunnel mount red 199302 gm. Torque arm mount bushing, camarofirebird 822002 energy suspension, select application. Bmr suspension designed the ta001 for street performance, drag race, and handling applications. Sep 21, 20 since suspension components must endure tremendous loads, only the finest materials are used to ensure that bmrs torque arm kits are as durable as possible.
Hawks sinister 8202 camarofirebird adjustable torque arm. Leaving the upper control arms in place would cause massive suspension binding because you would have both a 4link and a 3link suspension on the same car, with both systems trying to cause their own particular rear suspension motion. This could be the chassis hitting the ground, a control arm hitting a wheel or a control arm being stretched to the point it would break. The torque arm allows for oncar pinion angle adjustability. Youd like to remove the front mounting point from the transmission, and to place it where the gload brace is, or to tie it laterally to your subframe connectors. The correct positioning of each car suspension parts in a front wheel independent suspension system is crucial to maintaining full control of the wheels while ensuring consistent wheel alignment. Now its easy to install a modern triangulated 4bar rear suspension in most any chassis with this convenient package. Jun 08, 2011 how speed tech prevented the torque arm from binding is unique as far as we know. Dramatically improve rear traction in and out of corners with a mustang torque arm while reducing rear axle movement and body roll when cornering. This transfers power efficiently, without huge increases in nvh.
1433 916 638 294 1377 437 878 1506 848 287 1263 1333 958 938 1333 1360 220 248 1381 640 917 1162 868 972 625 840 109 320 1332 629 233 1376 797