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Old 07-18-2014, 05:04 PM   #1
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BMR Suspension Trailing Arms

Trailing Arms, and their associated bushings, are one of the most commonly upgraded suspension components on the 5th Gen Camaro. The Trailing Arms work in conjunction with the rear upper and lower control arms and toe rods to stabilize and hold your rear wheels in the proper position while driving. Unfortunately, the OEM trailing arms leave a lot to be desired when subjected to the heavy loads seen in "performance" driving. Unwanted deflection and movement are common issues with the thin stamped steel factory components and soft rubber bushings. This unwanted movement and flexing can lead to inconsistent handling characteristics and loss of traction whether going in a straight line or cornering. This repeated loss of traction is ultimately one of the leading causes of the dreaded wheel hop issues on the 5th Gen Camaro. BMR offers a full line of aftermarket Trailing Arms to correct these issues, stabilize your rear end, and provide the proper suspension geometry needed to transfer all that horse power to the pavement.

The non-adjustable TCA026 is our most popular replacement Trailing Arm. It is constructed of heavy duty 1" x 2" boxed steel tubing to eliminate any torsional flexing of the arm. The outer connection pocket is manufactured from CNC laser cut and CNC formed 3/16" steel plate for the strongest arm possible. Internally-fluted Pro-Version (95 durometer) polyurethane bushings are included on the inner connection point, and a grease zerk fitting is pre-installed for easy lubrication with a grease gun. The TCA026 is the best fit for those looking to improve handling performance, reduce wheel hop, and still keep an acceptable level of NVH suppression and ride quality.

The non-adjustable TCA027 has the same construction of the TCA026, but adds a Teflon-lined spherical bearing which replaces the polyurethane bushings. The spherical bearing provides the low friction articulation necessary for proper suspension geometry, but completely eliminates the high compression load deflection commonly seen with bushings during hard launches. The TCA027 is best-suited to high-horsepower applications where maximum rigidity and performance is the goal. Although the TCA027 is completely "streetable", a small amount of increased NVH should be expected.

The single-adjustable TCA033 is our newest addition to the BMR Trailing Arm line up. It is constructed of 1.25" (.095" wall thickness) DOM tubular steel, with double-overlap welded 3/16" outer mounting plates. A Teflon-lined spherical Rod End is utilized on the inner connection point. Because of the reduced size of the main beam, this is the same trailing arm we use in our 15" Drag Conversion Suspension Kit, and on our own BMR "Project Trilogy" shop car. The TCA033 will provide additional clearance for smaller drag wheels, without compromising strength or functionality. Don't be fooled by it's smaller size, it is more than capable of handling any power level. The TCA033 is not restricted to full-blown drag cars, it is "streetable" and perfectly compatible with the rest of our performance suspension components. But as mentioned before, because of the spherical rod end, a small amount of increased NVH should be expected.

And when you're swapping out your new trailing arms, don't forget to include a set of outer trailing arm bushings. These are the bushings that are pressed into the spindle at the outer connection point of the trailing arm....and are sold separately. It is HIGHLY recommended to replace these bushings any time you replace the trailing arms. Without them, you won't get the full performance benefit of your new arms!!! BMR offers two options for these bushings. The BK006 is a 2-piece design that is made from our Pro-Version 95 durometer compound. We also offer the SuperPro SPF-2866K, which is a little bit softer (80 durometer), but is a 1-piece design, and carry a lifetime warranty.

When lubricating ANY BMR or SuperPro Bushing, make sure you use a high quality FULLY-SYNTHETIC grease. Do NOT use a petroleum-based grease which will soften and deteriorate the performance of your bushings over time. We strongly recommend any of the following.....

http://www.bmrsuspension.com/index.c...&productid=852

http://www.amsoil.com/shop/by-produc...ode=GPTR2CR-EA

http://www.greengrease.net/

And a NOTE about spherical rod ends and/or bearings. These are NOT totally maintenance-free. Cleaning, lubrication, and frequent inspection are recommended at regularly scheduled intervals (I would suggest at every oil change).

For lubrication and protection of spherical rod ends and bearings, this stuff is the absolute BEST.....

http://www.amsoil.com/shop/by-produc...?code=AMHSC-EA

Finally, here's a good thread about BMR Toe Rods too....

http://www.camaro5.com/forums/showthread.php?t=365127
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Last edited by BMR Sales; 07-21-2014 at 08:53 AM.
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Old 07-18-2014, 05:13 PM   #2
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What timing

Looking for:
BMR Fabrication Trailing Arms, Rear, Single Adjustable, Rod Ends #TCA033

and the trailing arm bushings (BK006 2 Piece)! 2011 2SS L99

PM price -- also if you have specials on your suspension kits w the sway bars etc.

Amsoil grease -- which one for the TCA033 (btw are those 'heim spherical bearings'?)
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Old 07-18-2014, 05:25 PM   #3
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Nice informative post Keith!

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Old 07-18-2014, 05:31 PM   #4
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FYI, removing the stock outer trailing arm bushings without a press is very difficult. I was able to do so by fabricating a make-shift press with a piece of PVC pipe, bolt, washer and nut.
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Old 07-18-2014, 06:08 PM   #5
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Yep, that's what I figured. I used to use an old ball joint press for these types of bushings -- need to see if I have one that fits ;o)

Getting the FE4 update while I'm at it....

Thanks for the input!
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Old 07-18-2014, 07:33 PM   #6
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Great post! Thanks BMR!
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Old 07-18-2014, 07:36 PM   #7
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Originally Posted by Dexman1349 View Post
FYI, removing the stock outer trailing arm bushings without a press is very difficult. I was able to do so by fabricating a make-shift press with a piece of PVC pipe, bolt, washer and nut.
No its not. 5 minutes tops with a 2 jaw puller.
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Old 07-18-2014, 08:31 PM   #8
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No its not. 5 minutes tops with a 2 jaw puller.
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Old 07-18-2014, 08:53 PM   #9
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Or a guy with the right tool.
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Old 07-18-2014, 09:24 PM   #10
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I have hands of steel ;o)

and the tools fortunately
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Old 07-19-2014, 02:15 PM   #11
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This 2013 2SS is a joke in the corners with factory suspension. I purchased the BMR front and rear sway bars, BMR trailing arm and toe rods.

WOW, this car is a blast to drive.........My commute to work every day is very twisty. The thing that blew my mind is how cheap this package is for what you get...Made in America to last. This car is so much fun now.
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Old 07-19-2014, 04:00 PM   #12
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Quote:
Originally Posted by hammdo View Post

Amsoil grease -- which one for the TCA033 (btw are those 'heim spherical bearings'?)
I would recommend using this grease from AMSOIL, resistant to pound-out and being a full synthetic is also an advantage.

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Old 07-21-2014, 09:01 AM   #13
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Fixed my links in the first post. Should all be working now. And yes, a 2-Jaw puller works pretty good for pushing the OEM outer trailing arm bushing out of the spindle. A little cumbersome, but it works. Also, if you want to protect your spherical rod ends from dirt and road grime, these are a good option. For the TCA033, you'd need the 3/4" male boots.

http://www.sealsit.com/rodendboots.asp
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Old 07-21-2014, 09:02 AM   #14
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I would recommend using this grease from AMSOIL, resistant to pound-out and being a full synthetic is also an advantage.

Yep, the same stuff I tried to link above (should be fixed now)....great stuff for poly bushings!!! Thanks for the confirmation direct from a AMSOIL dealer!!!
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Old 07-22-2014, 12:31 AM   #15
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Green grease is a petroleum based product. I argued with one of the techs at Bmr till I was blue in the face even reads on there website. Buddy had a set soften after 1 year suspension started creaking and poping had to replace all bushings.I recommend using Superlube it is made from silicon. 5 yrs later all bushings hard as a honeymoon dic*!

Green grease is petroleum don't use it. Don't believe me smell it haha. Mineral oil is the main ingredient.
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Old 07-22-2014, 08:48 AM   #16
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Green grease is a petroleum based product. I argued with one of the techs at Bmr till I was blue in the face even reads on there website. Buddy had a set soften after 1 year suspension started creaking and poping had to replace all bushings.I recommend using Superlube it is made from silicon. 5 yrs later all bushings hard as a honeymoon dic*!

Green grease is petroleum don't use it. Don't believe me smell it haha. Mineral oil is the main ingredient.

Quoted from the Green Grease Website....

"Waterproof Green Grease™ is a professional-grade high performance synthetic polymer grease developed for mining, manufacturing, marine and off-road. Used in extreme environments for over 25 years, Green Grease lasts longer than ordinary grease, provides superior parts and equipment protection, and is compatible with lithium and petroleum-based greases."

You can smell whatever you would like to smell, but I don't see anything anywhere on their website that would lead me to believe it is petroleum-based grease. I will agree that I do like the SuperLube and AMSOIL stuff better, but the Green Grease is a good synthetic alternative that is readily available, and we have had very good results with it (especially with our G8 customers and their "squeaky" sway bar bushings), and will continue to recommend it.
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Old 07-22-2014, 05:51 PM   #17
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Is it just me, or do the arms seem to get smaller from bottom to top? Weird camera angle?
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Old 07-22-2014, 06:00 PM   #18
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Is it just me, or do the arms seem to get smaller from bottom to top? Weird camera angle?
The fact that their lengths get shorter as they go up suggest it's a camera angle thing (bottom ones closer). I don't believe they vary from stock length (although the adjustable ones could be changed)
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Old 07-22-2014, 06:25 PM   #19
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Very helpful thread..
Correct me if I'm wrong but you do not need to remove stock bushings from stock trailing arms if you buy new bushings with the BMR arms right?
Because I don't have a press....
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Old 07-22-2014, 06:37 PM   #20
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No its not. 5 minutes tops with a 2 jaw puller.
Quote:
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Very helpful thread..
Correct me if I'm wrong but you do not need to remove stock bushings from stock trailing arms if you buy new bushings with the BMR arms right?
Because I don't have a press....
Outer bushing gets removed still. And I already said how to remove it
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Old 07-22-2014, 06:46 PM   #21
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Outer bushing gets removed still. And I already said how to remove it
I can read, just trying to understand the installation process because it says nothing of having to remove outer bushings on the installation instructions on the BMR website. I would think they would mention something like a press in the instructions if you needed one for installation. And I do not know what a 2 jaw puller is either. This is why I am asking because I'm not really a DIY type guy and for sure not a mechanic.
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Old 07-22-2014, 06:53 PM   #22
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Quote:
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I can read, just trying to understand the installation process because it says nothing of having to remove outer bushings on the installation instructions on the BMR website. I would think they would mention something like a press in the instructions if you needed one for installation. And I do not know what a 2 jaw puller is either. This is why I am asking because I'm not really a DIY type guy and for sure not a mechanic.
That's because they're sold as separate parts. You don't have to replace the outer bushings, but it'd be silly not to while you're there.

BK006 instructions

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Old 07-22-2014, 07:28 PM   #23
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That's because they're sold as separate parts. You don't have to replace the outer bushings, but it'd be silly not to while you're there.

BK006 instructions

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I see now, thanks
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Old 07-22-2014, 10:41 PM   #24
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Fixed my links in the first post. Should all be working now. And yes, a 2-Jaw puller works pretty good for pushing the OEM outer trailing arm bushing out of the spindle. A little cumbersome, but it works. Also, if you want to protect your spherical rod ends from dirt and road grime, these are a good option. For the TCA033, you'd need the 3/4" male boots.

http://www.sealsit.com/rodendboots.asp
Nice! I'm ordering those -- great idea.

-Don
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Old 07-23-2014, 09:51 AM   #25
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Nice! I'm ordering those -- great idea.

-Don
Since those come as a 6-pack, mind selling me an unused pair?
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Suspension: Pfadt subframe bushings, Pfadt rear UCA bushings, Spohn Trailing arms with del-sphere ends & BMR outer bushings, ZL1 Toe Rods and springs, Prothane radius arm inserts and steering rack bushing, Pfadt Sport sways & endlinks, Pfadt strut brace

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