Making a Currie Johnny Joint - JeepForum.com

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post #1 of 106 Old 10-21-2013, 11:54 AM Thread Starter
Savvy
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Making a Currie Johnny Joint

I had the opportunity to watch the guys at Currie build some CE-9112 Johnny Joints. They pointed out they only use urethane bushings which last longer than rubber and keep their shape better. Also the ball centers are manufactured in Corona, CA and heat treated. A lot of the other manufactures do not heat treat the centers.

Making a Johnny Joint Part 1

Making a Johnny Joint Part 2


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post #2 of 106 Old 10-21-2013, 12:10 PM
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that's awesome...thanks for sharing.

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post #3 of 106 Old 10-21-2013, 01:58 PM
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post #4 of 106 Old 10-21-2013, 05:15 PM
jeepwrangler97
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Pretty cool.

...I actually need to order some JJ's soon
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post #5 of 106 Old 10-21-2013, 05:19 PM
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Cool! So far just my rear uppers are done....some day the rest
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post #6 of 106 Old 10-22-2013, 10:40 AM
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I want that press.

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post #7 of 106 Old 10-25-2013, 05:47 AM Thread Starter
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Quote:
Originally Posted by JeepAddOnsChris View Post
I want that press.
John can make you one.

Might cost a little.

I know he made one for Ready Lift as they are using JJ's in their suspension systems.

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post #8 of 106 Old 10-25-2013, 06:16 AM
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Nice! I'd love to have a full set of JJs and that shop!

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post #9 of 106 Old 04-06-2014, 06:18 PM Thread Starter
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The Currie Johnny Joint is the Gold Standard of spherical heims and suspension joints on the market today. The JJ has been refined to the best product available.

Most competitor joint do not heat treat their centers. This allow for easy deformation of it if not.

Competitors claims that rubber bushings are better. NOT. Do just a little research on Urethane vs Rubber and you'll see the true difference.

Competitors claim one piece bushing is better. NOT! JJs are however constructed both ways.

Competitors claim self centering. WHY? It doesn't matter. Every competition rig with heims or JJs have never had a problem not centering. The suspension cycles and joints find their home. Self centering actually introduces bind causing premature failure.

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post #10 of 106 Old 04-06-2014, 06:55 PM
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Cool!

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post #11 of 106 Old 04-06-2014, 07:53 PM
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I don't even own a jeep anymore
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post #12 of 106 Old 04-06-2014, 10:45 PM
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Only thing missing was a pimp smiley on that revival post.
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post #13 of 106 Old 04-06-2014, 11:13 PM
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Needs a quagmire steeker on the press shaft.... Gigatee gigatee gigatee gigatee gigatee

I still like my FK 4130 heims and uniballs .. And aurora when I have xtra $$$ to set on fire...

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post #14 of 106 Old 04-07-2014, 09:06 AM Thread Starter
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Quote:
Originally Posted by TJdualsport View Post
Needs a quagmire steeker on the press shaft.... Gigatee gigatee gigatee gigatee gigatee

I still like my FK 4130 heims and uniballs .. And aurora when I have xtra $$$ to set on fire...
I do as well. To say X joint is the best riding in the industry is garbage. That is more a function of tire pressure, springs and shocks. Lower the tire pressure and you won't feel a thing on the road.

Those Aurora are way cool!

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post #15 of 106 Old 04-07-2014, 10:25 AM
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I guess somebody has to do it, so it might as well be me lol.

To me, this post appears to be a direct poke at competitor Metalcloak. I'm not knowledgeable enough to argue the specific strengths/weaknesses of each, but I did do a bunch of research prior to buying the Metalcloak control arms.

IMHO, the joint to go with depends on your ultimate goal/use for them. I don't think anyone will argue that Currie IS the gold standard as they have a steller and proven track record (even Metalcloak has said this!). Currie products were built through years of race design and use. Those products find their way to the general non-racing consumer (usually after a win on race day lol). Competition is the catalyst for invention. That is what makes products get better over the years.

However, I don't race my Jeep. I could however still benefit from the Currie JJ. In my research though, I identified that the Duroflex joint would suit MY needs better. I can't say that I made the correct decision simply because I have never run a JJ...so I can't compare the differences between the two.

If the Duroflex joint was inferior in every way, then why are there WELL RESPECTED members on every forum that are changing to them or recommending them?

Quote:
Originally Posted by Savvy View Post
The Currie Johnny Joint is the Gold Standard of spherical heims and suspension joints on the market today. The JJ has been refined to the best product available.

Not sure many people disagree with this statement (maybe NJO)

Most competitor joint do not heat treat their centers. This allow for easy deformation of it if not.

Does anyone have any photo or documented events where this was an issue? I would be very interested to see a failure

Competitors claims that rubber bushings are better. NOT. Do just a little research on Urethane vs Rubber and you'll see the true difference.

Doesn't rubber do a better job with NVH? I guess you would choose between the two based on your desires. The Duroflex joint really has a smooth ride.

Competitors claim one piece bushing is better. NOT! JJs are however constructed both ways.

Competitors claim self centering. WHY? It doesn't matter. Every competition rig with heims or JJs have never had a problem not centering. The suspension cycles and joints find their home. Center centering actually introduces bind causing premature failure.
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