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Old Man Emu: Questions, Answers & Pictures

Discussion in 'Suspension' started by 4Wheelin4Banger, Jan 15, 2013.

  1. May 16, 2013 at 9:15 PM
    #1521
    OZ-T

    OZ-T Did you get your precious photos ?

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    If you lift the rear 3" , shouldn't you raise the bumps a similar amount ?
     
  2. May 16, 2013 at 9:20 PM
    #1522
    YOTA LOVER

    YOTA LOVER Stay Calm, and Fire For Effect

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    Sounds good in theory, but I think we'd have to confer with the manufacturer or stress test a set ourselves to get actual data.

    At 2" there isn't a ghost fart's chance in hell I'm sticking some silly looking 2" stops on my springs. However, I think the manufacturer would supply them or recommend you buy them if they had a history of problems.

    *And then there's the limit on flex you could achieve with giants bumps.
     
  3. May 16, 2013 at 9:27 PM
    #1523
    OZ-T

    OZ-T Did you get your precious photos ?

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    The Superbumps compress to stock height , the towers may limit some travel
     
  4. May 16, 2013 at 9:30 PM
    #1524
    OZ-T

    OZ-T Did you get your precious photos ?

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  5. May 17, 2013 at 6:09 AM
    #1525
    YOTA LOVER

    YOTA LOVER Stay Calm, and Fire For Effect

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  6. May 17, 2013 at 7:21 AM
    #1526
    OZ-T

    OZ-T Did you get your precious photos ?

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    You do that
     
  7. May 17, 2013 at 7:47 AM
    #1527
    YOTA LOVER

    YOTA LOVER Stay Calm, and Fire For Effect

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    I don't have a locker, so the odds of me pushing my truck in the rocks at full flex are zero to none. :cool: I also won't ever haul any more that 1500lbs. Maybe one day when it's a little more built up, but there's no need just yet.
     
  8. May 17, 2013 at 8:16 AM
    #1528
    OZ-T

    OZ-T Did you get your precious photos ?

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    Neg arch is bad M'kay
     
  9. May 17, 2013 at 8:19 AM
    #1529
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Staff Member

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    wat?
    you know nothing, peter snow...
     
  10. May 17, 2013 at 8:20 AM
    #1530
    OZ-T

    OZ-T Did you get your precious photos ?

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    I'll kill you last Airman Jamie
     
  11. May 17, 2013 at 8:25 AM
    #1531
    YOTA LOVER

    YOTA LOVER Stay Calm, and Fire For Effect

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    I thought we both agreed on that :confused:

    I'm only saying I don't think I'll be putting my truck in any places where I'll achieve the aforementioned negative arch, especially as I seem to have no time ever to get out and go wheeling. By the time my son is old enough to stay out all day and come with me I'll have front and rear lockers done, then I'll add in the extended bumps. :deadhorse:
     
  12. May 17, 2013 at 6:29 PM
    #1532
    jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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    OK, time to clear the air on some of this stuff...

    1) Eliminate the guesswork. Get the specs from OME on what the collapsed and extended shock lengths are. Take 'em off your vehicle. Flex it out, and measure the distances mount to mount on both sides, in both stuff and droop.

    Depending on how a suspension is set up, changing what limits travel in one or both directions may be a good idea. What you DON'T want is your shocks limiting suspension travel. If that's what's happening, you have a preventable problem waiting to happen.

    2) Negative arch. This is everyone's boogieman and, according to my Mat Eng buddies I've talked with, is way overblown. Here's the thing: Leaf springs are designed with the elastic properties of the metal, such as they are, in mind. It is expected that the metal will flex. This, regardless of direction, does not hurt the metal. Simply going into negative arch is not immediately harmful (more on the non-immediate consequences in a minute).

    What CAN be harmful is enough arch positive or negative to deform or break the metal. If travel is not limited correctly, this can happen.

    Re: non-immediate effects of negative arch: Elastically bending metal repeatedly causes fatigue in most alloys. Think of a paper clip. If you bend it once really far, it's still fine. If you bend it back to normal once, it's still fine. However, if you repeatedly bend it back and forth those distances many times at the same point, the metal will break in short order.

    So with negative arch, you can certainly hasten how quickly your springs crap out and start sagging or breaking under normal use. Exactly how much of a problem this is is a calculated risk. Daily driven vehicles will probably want to avoid that issue for cost control reasons.

    Myself, I drive a Corolla most of the time, the truck is a toy, and if I break something it can sit until I repair it at my convenience without interrupting my life. The fact that I have a touch (really just a tiny bit) of negative arch at full stuff does not worry me in the least. I recognize that is not the situation for most.

    If your vehicle is street-only or street-95%, negative arch potential likely doesn't matter because you will only use that portion of suspension travel twice a year when driving through a ditch around a fender bender or hauling a load of mulch home from home depot or whatever. You will want to make sure your shocks are protected to keep from blowing or ripping them out.

    Bottom line: Wheeling is hard on trucks. No matter what you do, if you wheel it, you're gonna replace stuff at a faster clip. If you don't, you won't.
     
  13. May 17, 2013 at 8:16 PM
    #1533
    OZ-T

    OZ-T Did you get your precious photos ?

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    Thanks Jan
     
  14. May 17, 2013 at 8:36 PM
    #1534
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Staff Member

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    wat?
    hey....that's Jan DREWS to you...
     
  15. May 17, 2013 at 8:46 PM
    #1535
    OZ-T

    OZ-T Did you get your precious photos ?

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    Me and Jan are good

    Me and you Airman Jamie , that's another story
     
  16. May 17, 2013 at 9:15 PM
    #1536
    MY50cal

    MY50cal I think I'm getting the Fear.

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    Yes.
    I tried to +1... :thumbsup:
     
  17. May 18, 2013 at 7:31 AM
    #1537
    ndcmack

    ndcmack Well-Known Member

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    Not enough
    Assuming most here are running Dakars. That said, I want to know what shocks most of you are running. I picked up a set of Billy 5160's and found they are about 2"+ to short. I was very suprised to find this as the extended measurement of the 5160(13.83"x23.23")is very close to the OME(13.85"x23.93") which leads me to believe the OME's are to short for my application as well. THOUGHTS???
     
  18. May 18, 2013 at 7:50 AM
    #1538
    Yaozer

    Yaozer Well-Known Member

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    I picked up nitrocharger 9000 shocks, 885 springs, toytec spacers, and a trim packer.

    The shocks didn't come with a bottom cup for the spring and I'm wondering if I'm missing something. If not, do I reuse the cup on the stock bilsteins? The bilsteins seem a bit narrower than the nitrochargers and I'm not sure the cup will work.
     
  19. May 18, 2013 at 8:24 AM
    #1539
    YOTA LOVER

    YOTA LOVER Stay Calm, and Fire For Effect

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    OME springs and OME nitrochargers. Came as a set so I knew they were paired up to work together.
     
  20. May 18, 2013 at 8:40 AM
    #1540
    ndcmack

    ndcmack Well-Known Member

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    Not enough
     
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