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1979-2004 Mustang BMR Adjustable Upper Control Arms - Review & Install
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Published on 2017-07-14
Mustang BMR Adjustable Upper Control Arms.
Reduce wheel hop to improve times at the track with BMR's 1979-2004 Mustang rear upper control arms! The factory upper control arms are prone to flexing under load, which causes wheel hop and bushing deflection. BMR designed their upper control arms to not only reduce wheel hop, but also allow you to adjust the arm to your preferred position. This means you can dial in your pinion angle and your preferred articulation point!
Their adjustable control arm kits are constructed with heavy duty MIG welded, 1-1/4" DOM steel tubing to greatly reduce control arm flex. BMR utilizes a chrome moly steel, CNC machined, center adjuster that provides the best strength and durability for long lasting performance. 95 durometer polyurethane or spherical bushings take the place of your original rubber bushings to reduce bushing deflection under heavy loads. BMR tops off this Made in The USA control arm kit with a gloss red or hammertone powder coat finish for durability that lasts!
- Will NOT fit 1999-2004 Cobra.
Application: 1979-2004 Mustang
How’s it going everyone? Landan with Late Model Restoration. Today I’m going to be checking out BMR Suspension’s rear upper control arms and why need them for your 1979 to 2004 Mustang.
First things first, BMR is known for making top notch suspension components for several year ranges of the Mustang. Their keen eye for detail and dedication to perfection makes every BMR product a must have for Mustang owners.
These rear upper control arms are currently available in two different options. One is a ninety-five series durometer polyurethane bushing and the other features a spherical bushing on the body side.
Both of these are currently available in BMR’s signature glossy red or hammertone powder coated finishes and designed to fit all solid axle equipped 1979 to 2004 Mustangs.
Features will include one and a quarter inch DOM or drawn over mandrel tubing for exceptional durability, and of course your choice of very strong ninety-five durometer polyurethane bushings or spherical bushings with teflon-lined rod ends for added strength.
These BMR rear upper control arms will benefit your Mustang in several key ways. Those benefits include firmer launches, improved handling, reduced wheel hop, and they’re even on car adjustable to help dial in pinion angle and the instant center of gravity.
To begin, support the car via a lift or jack stands.
Remove both rear wheels and support the rear end center section.
Remove the lower shock hardware from both sides with a 15mm socket on the bolt head and an 18mm socket on the nut.
Lower the rear end enough to remove both springs.
While these steps aren’t needed, it will make removal and installation a little easier.
On either side, remove the axle side hardware with an 18mm box end wrench and 18mm socket.
To remove the body side hardware, use an 18mm box end wrench on the bolt head, and use a combination of a six inch extension, wobble adapter and 18mm socket on the nut.
Remove the control arm from the car.
Do the same for the other side.
Set the factory arm and the BMR control arm on a work bench.
Loosen the jam nuts on the BMR control arm.
Use the factory hardware and slide one bolt through the bushing side of the BMR control arm into the factory arm.
Align the axle side mount on the BMR arm with the bolt hole on the factory arm.
Verify that by sliding the other bolt through each arm.
Once verified, make sure the bushing and axle side bracket are parallel with each other, and tighten the jam nuts.
Do the same for the other BMR control arm.
Position the control arm into the car.
Reinstall the body side hardware and loosely tighten.
Reinstall the axle side hardware and loosely tighten.
Do the same for the other side.
Reposition the springs and then jack up on the rear end.
Reinstall the lower shock hardware and loosely tighten.
Jack up on the rear end to establish some suspension pre-load.
Tighten all of the upper control arm hardware to 90 lb-ft.
Torque the lower shock hardware to 59 lb-ft and then remove the rear end support.
Double check your work and get the car on the ground.
Take it for a test drive and you’re all finished!
From car up to car down, you’re probably looking at no more than two hours from start to finish. This is something you can do with some common hand tools within the comforts of your own garage.
To see more videos highlighting BMR Suspension components for your 1979 to 2004, go ahead subscribe to our YouTube channel. These BMR rear upper control arms are currently available from the real Mustang enthusiasts, LMR.com!