Are poly balljoints stronger than stock? - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 7 Old 05-09-2011, 08:46 AM Thread Starter
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Are poly balljoints stronger than stock?

What makes them better? I've put dynatracs in before and they are pretty beefy, but I don't want to waste 600 bucks on a d30.

But I will before I put balljoints in that are the same or marginally better than the stock ones. So what makes the poly ones better?

Thanks guys!

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post #2 of 7 Old 05-09-2011, 09:12 AM
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No nylon cup, they use a sintered metal bushing instead. The are also greasable. I would put them close to 100% stronger than stock, but that is based on my experience and usage, not on anything formal.

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post #3 of 7 Old 05-09-2011, 09:15 AM
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WAY better!
Just read the this entire page with diagrams and cut-away's at the bottom.
Not comparison, stock balljoints are absolute crap.
http://www.polyperformance.com/shop/...s-p-26182.html
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post #4 of 7 Old 05-09-2011, 09:17 AM
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I think anything is better than stock. I am at 52k on my 2007 and now on my 3rd set of BJ.

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31k Crowns ( the uppers were still in great shape when removed)
2K Poly so far no issues
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post #5 of 7 Old 05-09-2011, 09:17 AM
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And some more oem and crown cross sections for reference

https://www.jkowners.com/forum/showthread.php?t=37259

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post #6 of 7 Old 05-09-2011, 10:33 AM
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Quote:
Originally Posted by 09rubicon View Post
No nylon cup, they use a sintered metal bushing instead. The are also greasable. I would put them close to 100% stronger than stock, but that is based on my experience and usage, not on anything formal.
Sums it up right there! They are awesome... enough said!

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post #7 of 7 Old 05-09-2011, 04:46 PM
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I did Prosteers on my built 44, this was before PP made thiers. When my wifes ball joints go I will use Poly's
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