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Old November 27th, 2009, 04:41 PM   #1
MidMichxj
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Default J-Links for lowers

I am thinking about using J-links for the lowers on the rear suspention of the Money Pit (xj).
Asking for input from those in the know.
Thanks in advance.
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Old November 28th, 2009, 07:35 PM   #2
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I always thought it would ba a great way to get more clearance. Just I dont know if it would cause a anti squat issue.
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Old November 29th, 2009, 11:10 AM   #3
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Quote:
Originally Posted by ronprice View Post
I always thought it would ba a great way to get more clearance. Just I dont know if it would cause a anti squat issue.
as long as the mounting points stayed the same I do not see how bent links would create an anti squat issue on their own unless there was already one present.
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Old November 29th, 2009, 12:02 PM   #4
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Correct, the shape of the link doesn't change the geometry. It behaves the same as if the link was straight.
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Old November 29th, 2009, 12:12 PM   #5
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Are you talking about bending the links for additional clearance or actually putting the joint and tabs on the opposite side of the axle and then running a bent link over the top of the axle? Theres a couple different rigs in the last 2 Crawls that have bent links over the axle with the joint on the opposite side... I dont think it gets you anything but some clearance. If you get creative with lower link placement then you really dont have to worry about hitting them very much. triangulated lowers and a little narrower than typical makes for lower links that you dont really know are there.

I dont like having to put bends in links, it significantly weakens them and it makes material choices more limited and harder to come by. Unless packaging is an issue I wouldnt recommend adding more complication into it than is needed. If bent links are the only way you can get something to package or work well then it needs to be done, it wouldnt be my first or second choice though.
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Old November 30th, 2009, 06:59 AM   #6
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I was looking at those rigs and with the link mounted to the rear of the axle and going over the axle it gives lots of link to obsticle clearance. Just thinking and looking at all the options before I start.
I plan on going with 2"/ .250 wall link material with johnny joints for the lowers.
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Old November 30th, 2009, 07:21 AM   #7
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If I remember right, Currie was the first to commercially do the j-link thing right around the time that Teraflex and Rubicon Express were coming out with their long arm lifts on TJs. It was one way to extend the control arms without having to modify the frame side brackets.

Go figure that an axle manufacturer would come up with a way to get longer arms by modifying the axle brackets (preferably on a set of their Currie 9" axles) rather than the frame brackets. It's just another way to skin a cat.

For an XJ, I don't see the packaging issues that would require J-arms.
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Old November 30th, 2009, 07:44 AM   #8
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Also keep in mind that if you go over the top of the axle then you may not have room for the other things that need to be there. Like the coil mounts, caliper mounts, shock mounts, upper link mounts and the huge truss needed to get over the large center section of a 60 or a 14b. I don't have links over the top and its kinda tight on space for me on my 14b.
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Old November 30th, 2009, 07:55 AM   #9
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This is what I was looking for- Discussion pro and con. Thank you.
I do have a D70 in the rear so the housing is big but it it still at full width.
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Old November 30th, 2009, 08:41 AM   #10
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Stick with a conventional setup and use a link material that can handle being drug through the crap constantly.
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Old November 30th, 2009, 08:55 AM   #11
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this one is moved in on the axle in order to clear brakes, overs, ect.

i like the clearance, but how is it actually attached?

it looks to me like a hole through the tubing and some sort of bushing?

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