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Justin
Official CCB Member
Joined: Sun Oct 10, 2010 12:04 am Posts: 6198 Images: 0 Location: Lakewood
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Heim track bar question
Still banging my head against the best way to set up my track bar. I'd like to keep both ends threaded if possible to facilitate adjustments, but I'd also like to have some rubber at one end. The lower needs to be a heim due to my setup, but how big a deal is it to have heims on both ends? I like the idea of having some cushion, and may use either a receiver to run a TJ upper control arm bushing or a Johhny Joint. Just not sure how much losing the cushion will really matter, and already have everything to do the trac bar with heims. Thoughts?
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Tue May 12, 2015 10:04 pm |
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sykanr0ng
Official CCB Member
Joined: Thu Jan 22, 2015 1:46 am Posts: 405 Location: Greeley, CO
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Re: Heim track bar question
Was a recent thread about this over on CB, most said having a bushing on the upper end for some cushion effect was a much better idea.
There were a few with heims on both ends, claimed no trouble.
I would/will have a bushing top end on mine.
_________________ "You say overkill like it's a bad thing."
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Tue May 12, 2015 10:31 pm |
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Viperwolf1
Official CCB Member
Joined: Tue May 07, 2013 10:37 pm Posts: 1485
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Re: Heim track bar question
You want some cushion. Otherwise that upper track bar mount gets pounded. A lot of force on that tiny mount every time you turn the wheels. The cushion will take some of the edge off that force.
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Tue May 12, 2015 10:32 pm |
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Jesus_man
Official CCB Member
Joined: Thu Nov 11, 2010 10:36 am Posts: 5984 Location: California
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Re: Heim track bar question
Agreed. I'd put a bushing on one end as well. There are some with threaded posts out there.
_________________ 1973 Bronco, 351 SEFI, Locked, discs, 35's ZF-5spd and Atlas 4spd. 235:1 Crawl Ratio. It may be ugly, but it's slow. http://www.ucora.org
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Wed May 13, 2015 2:07 am |
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crawlercreations
Official CCB Member
Joined: Sat Nov 06, 2010 9:36 pm Posts: 1101 Location: Arvada
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Re: Heim track bar question
Not surprisingly I've got heims at both ends on mine. No noticeable difference between the heims and bushings for me but I understand the forces at play so I'd run at least one durable bushing on a more street friendly rig.
_________________ There is a fine line between "hobby" and "mental illness"
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Wed May 13, 2015 3:16 am |
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Dirtheadz
Official CCB Member
Joined: Thu Jan 27, 2011 9:27 pm Posts: 929 Location: Colorad Springs
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Re: Heim track bar question
Ive got heims on each end as well. I come from the desert racing world in Las Vegas. Most trophy, class 8 and anything that goes fast utilizes bushing on one end and heim/ johnny on the other. Now that being said, those are fast guys. If I was going to redo mine I would do a screw in poly bushing on the frame side and heim on the axle. Just my $.02
_________________ !!! Being original is a blueprint for followers !!!
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Wed May 13, 2015 6:57 am |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm Posts: 1276
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Re: Heim track bar question
I vote for bushing/rod end or bushing/ball joint.
The cushion contributes to better ride quality, but more importantly it can reduce spike loads in the brackets by 50% or more. I did some experimentation at work with the other engineer's Jeep TJ where we replaced his trackbar bushing with a cross-axis ball joint. The stock TJ trackbar has a conventional stud-type ball joint at the frame already. We had to put the bushing back in after a few weeks. With no compliance in the system he said going down a smooth road was okay, but every pothole, bridge seam, speed bump rattled his truck pretty badly compared to the bushing/ball joint setup.
I am a fan of the Clevite bushing used in JK trackbars. IIRC it matches the width and bolt size of the OE Ford bracket. I can double check when I get home.
_________________ Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc. Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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Wed May 13, 2015 3:52 pm |
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Justin
Official CCB Member
Joined: Sun Oct 10, 2010 12:04 am Posts: 6198 Images: 0 Location: Lakewood
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Re: Heim track bar question
Thanks guys, my thinking was that it was a really good idea, but that I might be over-thinking it. Appreciate the confirmation. I ordered this today: http://jksmfg.com/i-9052791-fab-bushing ... -wide.html. It'll let me use a TJ upper control arm bushing at the frame end of the track bar. I'm hoping it isn't too much squish, but I figure it can't be much more than having a thinner bushing at both ends and I'm happy about being able to use something I can get at the parts store. Digger, one of the things I'd do differently is I'd use a factory width track bar bushing. It would have made the process a whole bunch easier, but by the time I realized it I'd already cut the bracket off. Might have had to do it anyway since I moved the axle forward.
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Thu May 14, 2015 10:13 am |
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