POLY PERFORMANCE JK LONG ARM KIT SPY PICS-------------------------------------------> - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 93 Old 02-09-2009, 04:46 PM Thread Starter
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POLY PERFORMANCE JK LONG ARM KIT SPY PICS------------------------------------------->

Well here you go..... The 2 door just came back from a weekend of testing at Johnson Valley............
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post #2 of 93 Old 02-09-2009, 04:47 PM Thread Starter
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post #3 of 93 Old 02-09-2009, 04:49 PM Thread Starter
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Running for 2.5 reservoir shock all the way around with the prototype 2.0" FOX air bumps in the front...
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post #4 of 93 Old 02-09-2009, 04:49 PM
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um....

When, how much? And action pics please.....

Last edited by a-squared; 02-09-2009 at 05:11 PM.
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post #5 of 93 Old 02-09-2009, 05:13 PM
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Interesting sideways mount for the upper arm(s).....
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post #6 of 93 Old 02-09-2009, 05:22 PM
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Interesting sideways mount for the upper arm(s).....
Yeah, how's that work?
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post #7 of 93 Old 02-09-2009, 05:38 PM
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Interesting sideways mount for the upper arm(s).....
X3???

Further away pics???

Action pics???
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post #8 of 93 Old 02-09-2009, 05:57 PM
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Interesting sideways mount for the upper arm(s).....
X4.. with a normal looking bushing?? How does that articulate?

Inquiring minds want to know!

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post #9 of 93 Old 02-09-2009, 06:08 PM
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It articulates fine mounted like that because there isn't much movement there.
My guess is its some sort of cartridge joint judging by the grease zerk.
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post #10 of 93 Old 02-09-2009, 06:57 PM Thread Starter
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It articulates fine mounted like that because there isn't much movement there.
My guess is its some sort of cartridge joint judging by the grease zerk.
Yes....
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post #11 of 93 Old 02-09-2009, 08:09 PM
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Is the rear end a trilink or is that a narrow mount for the upper arms?
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post #12 of 93 Old 02-09-2009, 09:17 PM Thread Starter
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Is the rear end a trilink or is that a narrow mount for the upper arms?
Yes, single upper link...
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post #13 of 93 Old 02-09-2009, 09:22 PM
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Yes, single upper link...
What's Poly's thought behind that? Isn't Rock Krawler the only other co. doing this? Does it provide an advantage over a 4 link?
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post #14 of 93 Old 02-10-2009, 05:28 AM
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I think the advantage in relation to the JK is avoiding the gas tank but I'd like to hear if there is any performance gains.
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post #15 of 93 Old 02-10-2009, 08:52 AM
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Bump for my boner.....
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post #16 of 93 Old 02-10-2009, 09:19 AM
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The front upper link joints are vertical like that to squeeze it between the cat/exhaust and the frame, you can fit a joint flat there but you cannot get the bolt in or out. We are using a Johnny joint there, it has plenty of angle for that application.

There is a single rear upper link, mostly for packaging, there is no room outside of the frame to make the rear upper arms much longer, they are too short IMO if you put them outside the frame like others do. Performance wise there is no real difference, a 3 link+track bar can work better than a 4 or 5 link if the geometry is right. A link suspension system needs a total of 4 links to constrain it, 3 + track bar or 4 with 2 of them triangulated. The stock jeep is a 5 link and is overconstrained so the bushings and arms have to deflect a lot to keep it from binding. A 3 link +track bar will articulate a little easier.

Here is a shot of the upper link mount

Last is a shot at the top of Jackhammer

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Last edited by GOAT1; 12-04-2011 at 09:43 PM.
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post #17 of 93 Old 02-10-2009, 09:39 AM
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Any action pics that show it flexing better than what my budget boost can already do?

stroke it a little....give me the good stuff...
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post #18 of 93 Old 02-10-2009, 09:45 AM
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Any action pics that show it flexing better than what my budget boost can already do?

stroke it a little....give me the good stuff...
The flex all depends on the length of the shocks, this kit used the same shocks as our other kits. Difference is ride, handling and performance of the better link geometry.

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post #19 of 93 Old 02-10-2009, 09:55 AM
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k, Cool. Thanks. Keep going with this...the potential is pretty impressive.
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post #20 of 93 Old 02-10-2009, 01:58 PM
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The front upper link joints are vertical like that to squeeze it between the cat/exhaust and the frame, you can fit a joint flat there but you cannot get the bolt in or out. We are using a Johnny joint there, it has plenty of angle for that application.
If you can fit a joint in there in the flat position, why not drill a hole through the frame and insert the bolt from the outer side of the frame and have the nut on the side of the cat/exhaust? You could even sleeve the hole through the frame if you wanted.
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post #21 of 93 Old 02-10-2009, 02:09 PM
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If you can fit a joint in there in the flat position, why not drill a hole through the frame and insert the bolt from the outer side of the frame and have the nut on the side of the cat/exhaust? You could even sleeve the hole through the frame if you wanted.
Yeah you could but it works just fine this way, drilling holes in the frame is a PITA, there are no other holes to drill for the rest of the kit.

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post #22 of 93 Old 02-10-2009, 02:12 PM
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Any plans for a four door kit? Or a brackets and arms only kit?
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post #23 of 93 Old 02-10-2009, 02:15 PM
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Any plans for a four door kit? Or a brackets and arms only kit?
It should be all the same parts, works for both. We just did it on the 2 dr first because we are racing it in the King of the Hammers race in 2 weeks.

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post #24 of 93 Old 02-10-2009, 02:22 PM
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what class is your rig going to race in?
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post #25 of 93 Old 02-10-2009, 02:39 PM
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There are not classes for KOH, its all pretty much unlimited. We will start a new thread for that soon, but we are running our 2 dr JK with only all available aftermarket parts. Mostly our stuff with Currie rock jocks and 39" Krawlers.

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