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JBA Offroad Upper Control Arms And Suspension MEGA Thread BS thread

Discussion in 'Suspension' started by tcBob, Feb 24, 2015.

Page 7 of 207
  1. Jun 30, 2015 at 6:02 PM
    #121
    M192

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    M192 Well-Known Member

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    Hmmmm interested to see if the lift does have anything to do with it. I hope it dosnt/doubt it does. I have full ome/886s/ Dakar leafs.
     
    M192, Jun 30, 2015
    #121
  2. Jun 30, 2015 at 7:08 PM
    #122
    tyfoon11

    #122
    tyfoon11 Raguel

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    tyfoon11, Jun 30, 2015
    #122
  3. Jun 30, 2015 at 9:22 PM
    #123
    Crom

    #123
    Crom Super-Deluxe Member

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    I'm also running OME 885 with nitro charger shocks.

    But why would the lift matter?

    The question I would ask is, when the suspension is under full compression, where are the bump stops?

    I had factory bumps when damage occurred. But the simple fact remains that before I could fully stuff the wheel the UCA was binding.

    Perhaps the binding issue was a difference in how the LCA cams were adjusted on each truck? A difference in alignment then. That makes most sense to me.
     
    Last edited: Jun 30, 2015
    Crom, Jun 30, 2015
    #123
  4. Jun 30, 2015 at 11:50 PM
    #124
    HiFire

    #124
    HiFire Well-Known Member

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    The adjustment cams don't change the orientation of the uca's. They only move the lca's.
     
    HiFire, Jun 30, 2015
    #124
    Crom likes this.
  5. Jul 1, 2015 at 7:04 AM
    #125
    Crom

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    Crom Super-Deluxe Member

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    Yes. You're right. I realize my logic error. Since the UCA pivots exclusively on the UCA bolt, the only option to create additional clearance it to change the shape of the UCA to clear the coil bucket. Marlin said he was testing on (3) trucks and had not seen the clearance issue on them. I guess the answer that makes sense would be variation from the factory. :notsure:
     
    Crom, Jul 1, 2015
    #125
  6. Jul 1, 2015 at 7:27 AM
    #126
    chris4x4

    #126
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Shouldn't be that much of a variation. When installing UCA's, youre supposed to cycle them by hand up/down to check clearance issues with anything. This should have been done during product development, and if clearance was found to be close (1/4" or so), things should have been changed. Honestly, seems this UCA's was just a copy of the OEM one, then made with more material, thus increasing thickness and causing issues.
     
    chris4x4, Jul 1, 2015
    #126
    Unchained 5150 and DoorDing like this.
  7. Jul 1, 2015 at 9:21 AM
    #127
    Crom

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    Crom Super-Deluxe Member

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    The binding issue described was with the original design of the a-arms which have a shorter radius and are of similar in shape/design to competitors products like the AP a-arms. I will be test fitting and hopefully installing the latest version of the HD a-arms tomorrow and will be using the method you described to test clearance. Believe me, I wish I had done that simple procedure to catch the issue in the beginning and avoid the pain of doing it a second time and now with bent parts that may have to be cut out. I'm not looking forward to it, not how I want to spend my day off from work. :(
     
    Crom, Jul 1, 2015
    #127
    chris4x4[QUOTED] likes this.
  8. Jul 1, 2015 at 10:57 AM
    #128
    M192

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    M192 Well-Known Member

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    Bahhh damit was gonna order a standard set today but now I may go with a set of light racing ucas. :facepalm:
     
    M192, Jul 1, 2015
    #128
    rhion82 likes this.
  9. Jul 1, 2015 at 2:08 PM
    #129
    D13

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    D13 Well-Known Member

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    Glad I waited! ! ! !
     
    D13, Jul 1, 2015
    #129
  10. Jul 1, 2015 at 2:20 PM
    #130
    M192

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    M192 Well-Known Member

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    Yeah I really like the ball joints and oem bushings.
     
    M192, Jul 1, 2015
    #130
  11. Jul 1, 2015 at 3:02 PM
    #131
    EODwick

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    EODwick Fire In The Hole!

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    Marlin sent an email saying he's contacting everyone that bought the first versions about swapping...seriously what a stand up dude.
     
    EODwick, Jul 1, 2015
    #131
  12. Jul 1, 2015 at 3:54 PM
    #132
    White Bear

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    White Bear Well-Known Member

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    Probably have the only 2nd Gen with an 8274 in the world.
    Damn, I think I might buy these after all - that's pretty hard to beat customer service-wise!
     
    White Bear, Jul 1, 2015
    #132
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  13. Jul 1, 2015 at 4:07 PM
    #133
    M192

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    M192 Well-Known Member

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    I contacted him today and asked him about a new redesign and this is the response I got. "Hi Dan

    Yes, We have 10 new sets (7.0.10) in stock with the tube bent out to miss the strut tower. I started shipping the new design on June 28th.

    I will be contacting all who purchased the old version (7.0.00) and replacing them. The 7.0.10 arms were welded in the same jig so the fitment will be the same as 7.0.00 arms.

    Thanks
    Marlin Gehman". Looks like I'm gonna order them after all
     
    M192, Jul 1, 2015
    #133
    Crom and DoorDing like this.
  14. Jul 1, 2015 at 7:40 PM
    #134
    M192

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    M192 Well-Known Member

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    :deadhorse: I know I know but I'm gonna have to ask. I ordered a set of these. I have a ome lift 886 coils. Running 285/75r16s. What should I get my alignment numbers to. Looks like about 2.4*-3* caster an 0s everything else? Just wandering. I already rub the flare back by the cab mount. I have to trim more but I already trimmed a little. Thanks sorry for beating the horse
     
    M192, Jul 1, 2015
    #134
  15. Jul 2, 2015 at 8:51 AM
    #135
    WATaco

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    WATaco Well-Known Member

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    I just ordered mine a couple of weeks ago, still in the box at home waiting for installation. After reading through this thread last night I had one of those "oh, crap" feelings, and sent a quick email off via the jbaoffroad.com website, probably around 8:30PM. I had a response at 3:22AM, and tracking numbers by email at 4:15AM.

    While I knew I was taking a bit of a risk with a "new" offering, I hoped that coming from an established company with some history would help if there were issues. I am happy to see that working out, this is far more than anything I would have expected these days. Very stand up response to a problem, I feel more comfortable with the decision.
     
    WATaco, Jul 2, 2015
    #135
    DoorDing likes this.
  16. Jul 2, 2015 at 11:55 AM
    #136
    Crom

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    Crom Super-Deluxe Member

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    My UCA swap maintenance project got pushed to tomorrow due to wife. Good news though, got all parts and tools ready for tomorrow AM.
     
    Crom, Jul 2, 2015
    #136
  17. Jul 2, 2015 at 8:24 PM
    #137
    tyfoon11

    #137
    tyfoon11 Raguel

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    Where bald eagles roam, Ca
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    changed my UCA's today

    here's how the first generation JBA's did:

    20150702_111343_zpsfjiwi6nr_9893f23629f22fd401cdbd5e443b047e00f87c0c.jpg

    here's the new HD's installed:

    20150702_152131_zpspqhdil1u_bfbebac16c5944fdb21e3727baf92c1cea6a4a4e.jpg

    and here's the trail of fun-
    1: stock
    2: JBA#1 - fawked
    3: JBA#2 - received these before they realized there would still be a clearance issue
    4: JBA#3 - big, bad, good clearance - time will tell

    20150702_111310_zps6s1lp6r7_117b537aaf21dfac40f2b2e56497cf36899f7c71.jpg
     
    tyfoon11, Jul 2, 2015
    #137
  18. Jul 2, 2015 at 8:27 PM
    #138
    tyfoon11

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    tyfoon11 Raguel

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    changing them was a total PITA!! they were so twisted that removing the bolts was quite not fun...

    @Crom @EDDO
     
    tyfoon11, Jul 2, 2015
    #138
  19. Jul 2, 2015 at 9:06 PM
    #139
    EDDO

    #139
    EDDO                         

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    :eek: Thanks for sharing your results and showing the carnage. Test run to Hollister?
     
    EDDO, Jul 2, 2015
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  20. Jul 2, 2015 at 10:15 PM
    #140
    Crom

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    Crom Super-Deluxe Member

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    Thanks. Glad you got it done. I'll be doing this in about 10 hours from now. Did you have to cut the bolts? Any tips for removal?
     
    Last edited: Jul 2, 2015
    Crom, Jul 2, 2015
    #140
Page 7 of 207

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