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Old 02-07-2014, 07:58 AM   #1
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New control arms

Thanks to the payback on the loan I gave my rich uncle Sam, I'm finally replacing the Skycrapper lower control arms on my '03 X. I'm looking at Metalcloak - a good price for a well reviewed product. They have a video on their site showing the amount of flex the arms are capable of. Will that relate to lateral sway? My current arms let the tub swim around corners, and I suspect, contribute to a more than normal harshness in the ride.
Thanks for the feedback!


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Old 02-07-2014, 08:21 AM   #2
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My next purchase after my Anti-rock is going to be MC control arms. My stock bushings are shot and it was either the Currie or the MC, probably would be happy either way. I don't know how much movement you're talking about but it sounds like a lot the way you said it. Is (are) your track bar(s) in good shape bushing wise?

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Old 02-07-2014, 08:40 AM   #3
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Will that relate to lateral sway? My current arms let the tub swim around corners
cornering problems: sway bar, track bar and alignment.
harsh ride: shocks
noisy: control arm bushings, among other things.
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Old 02-07-2014, 09:59 AM   #4
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When I got tired of replacing bushings on my Rubicon Express Superflex arms, I ended up going with Rokmen arms. They are pretty beefy and they come with OEM style rubber bushings at one and and a Currie Johnny Joint at the other, or with Johnny Joints at both ends. Since I rock crawl and flex my rig out all the time, I decided on the double Johnny Joint arms as I've seen guys rip the rear tabs that mount the arms to the frame completely off the jeep because the arms didn't support enough flex. These arms do transmit a little noise into the tub, but I don't find it to be too bad and for me, the extra flex and piece of mind was worth it. And my rig drives totally tight down the highway with these new arms.


...and this is what happened to the rubber bushings end on my RE arms at about 5k miles (I only use my rig for offroading, so nearly all miles are trail miles). Even with a superflex joint at one end, the rubber bushing at the other end of the arm was forced to flex so much, and the bushing design didn't provide enough support to the rubber that it would fail as shown below. The good news is that if the center bolt of the bushings hadn't ripped through, it would have put a lot of stress on the frame tab and may have caused some damage there that would have been much more effort to repair:
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Old 02-07-2014, 10:42 AM   #5
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I wasn't familiar with the MC arms, but just took a look at their website. I think they have an interesting design and are certainly a cost affordable upgrade over those crappy no-flex Skyjacker arms you currently have. They look like a great deal. I'd be intersted to hear how the MC arms hold up over time.
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Old 02-08-2014, 09:42 AM   #6
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Very interesting information all - especially Unlimited! I had never considered the sway bar as an issue. I bought my jeep lifted, and had always assumed (yes, I know ) all the bits were there. After reading a little bit, I see it's a common thing to take the sway bars off. And the symptoms are exactly as described - my tub wallows in turns and seems just a little late in catching up up with the drivetrain. I need to get underneath and check things out. Regardless, I think I'll go with the Metalcloaks to replace the current arms. Thanks all!
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Old 02-08-2014, 10:35 AM   #7
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Old 02-08-2014, 12:31 PM   #8
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Most of the reviews on them are pretty darn positive. I did read one where the guy had an extreme rig and he indicated that the bushing started to fail after about a year, but by far most people seem really happy with them. Even if they did fail at some point, they look really easy to replace.
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Old 02-08-2014, 12:53 PM   #9
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I was going to try duroflex arms as well when I get around to it. My jacker arms + shocks ride like crap ( surprise ). JJs are tried and true but here in the rust belt I wanted to try some new rubber.
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Old 02-08-2014, 01:06 PM   #10
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When I got tired of replacing bushings on my Rubicon Express Superflex arms, I ended up going with Rokmen arms. ...These arms do transmit a little noise into the tub...
Interesting, I like my Rokmen CAs. Very stout!

I didn't really notice the noise and tub thing, but I do run MT tires and the tire lug hum must cancel out the CA noise .
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Old 02-08-2014, 03:31 PM   #11
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Looking at replacing my RE arms soon. Looking at savvys aluminum arms
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Old 02-08-2014, 03:44 PM   #12
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I dont think the MC arms are not double adjustable are they? that's the only thing I think would be better with rokmen or currie
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Old 02-09-2014, 12:54 AM   #13
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Most of the reviews on them are pretty darn positive. I did read one where the guy had an extreme rig and he indicated that the bushing started to fail after about a year, but by far most people seem really happy with them. Even if they did fail at some point, they look really easy to replace.
Take a look at my TJ. It's no mild street queen. Zero durability concerns thus far. The fella running them at KOH had extremely positive results with no durability issues. If someone wore one out in a year then I'm questioning how he had it oriented (misaligned at ride height, etc).
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I dont think the MC arms are not double adjustable are they? that's the only thing I think would be better with rokmen or currie
A simple visit to their website will solve that question for you.
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Old 02-09-2014, 10:10 AM   #14
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Imped - This is the MC arm test thread that I was referring to. This is obviously not your typical JK, but this guy did a year long test with some extreme wheeling and posted his results. Unfortunately his joints started to fail after about a year, but I believe for most jeepers these joints will last a really long time. People certainly love the way they ride based on most of the reviews out there. I find the design interesting and I still would not hesitate to recommend these arms to a friend based on the reviews out there including yours. But, it will be interesting to see what your experience and others are after 5 or 10 years.

Control Arm End Joints Comparison and review [Archive] - JKFreaks 2007-2014 Wrangler JK Forum
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Old 02-09-2014, 02:29 PM   #15
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Take a look at my TJ. It's no mild street queen. Zero durability concerns thus far. The fella running them at KOH had extremely positive results with no durability issues. If someone wore one out in a year then I'm questioning how he had it oriented (misaligned at ride height, etc).

A simple visit to their website will solve that question for you.

pretty sure they are not double adjustable. unless you buy the aluminum arms. their steel arms are not. per the website. I like what I see just making a point.

BTW your review o the jeep forum= solid
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Old 02-10-2014, 11:22 AM   #16
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Imped - This is the MC arm test thread that I was referring to. This is obviously not your typical JK, but this guy did a year long test with some extreme wheeling and posted his results. Unfortunately his joints started to fail after about a year, but I believe for most jeepers these joints will last a really long time. People certainly love the way they ride based on most of the reviews out there. I find the design interesting and I still would not hesitate to recommend these arms to a friend based on the reviews out there including yours. But, it will be interesting to see what your experience and others are after 5 or 10 years.

Control Arm End Joints Comparison and review [Archive] - JKFreaks 2007-2014 Wrangler JK Forum
Read very carefully. They did not fail and the extra wear could have very easily been caused by how his suspension was configured--Duroflex bushing at one end of the arm and something else at the other. After dealing with these, I firmly believe that they'll last a very, very long time if configured correctly--using them at both ends and neutral (non misaligned) at static ride position. I'm looking forward to pulling mine out in the spring and taking some pictures. Two harsh winters, tons of street miles, and plenty of articulation and I expect virtually no wear.
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pretty sure they are not double adjustable. unless you buy the aluminum arms. their steel arms are not. per the website. I like what I see just making a point.

BTW your review o the jeep forum= solid
They have steel standard, single-threaded arms and aluminum arms with LH/RH threads ("double adjustable").
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Old 02-10-2014, 12:14 PM   #17
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That's what I meant when I said unless you buy the aluminum ones
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Old 02-10-2014, 01:18 PM   #18
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Neither one will give you issues. Having RH/LH arms makes installation and adjustment a breeze.
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Old 02-10-2014, 02:31 PM   #19
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Quote:
Originally Posted by LJ Dave View Post
Imped - This is the MC arm test thread that I was referring to. This is obviously not your typical JK, but this guy did a year long test with some extreme wheeling and posted his results. Unfortunately his joints started to fail after about a year, but I believe for most jeepers these joints will last a really long time. People certainly love the way they ride based on most of the reviews out there. I find the design interesting and I still would not hesitate to recommend these arms to a friend based on the reviews out there including yours. But, it will be interesting to see what your experience and others are after 5 or 10 years.

Control Arm End Joints Comparison and review [Archive] - JKFreaks 2007-2014 Wrangler JK Forum
What a mess, his "test" is to run 4 different joints at one time... Not to say the issue isn't valid, but the test makes no sense because variables are not equal. I don't think he said what joint was on the other end of DF joints that "failed". If the other joints don't have the same misalignment capabilities as the DF joint then the DF joint will make the DF joint work significantly harder.

I suspect the DF joints that didn't have an issue had a heim at the other end.
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Old 02-10-2014, 08:11 PM   #20
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I agree freeskier. I understand the testing method but if I was conducting an audit, I'd deem it invalid.

Run the joints all around and run them so that they're neutral/non-misaligned at static ride height. I think you'll find that durability is not a concern.

By the way, a car ran these bushings at KOH. They ran the same set for testing, prep and the race--close to 1,000 miles once all was said and done. No issues.

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