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The Getaway...Crom's build and adventures

Discussion in '2nd Gen. Builds (2005-2015)' started by Crom, Feb 11, 2015.

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  1. Dec 23, 2016 at 6:27 PM
    #3101
    Sacrifice

    Sacrifice Motorcycle Goon

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    Uptravel is defined by the main leaf. Once it is flat that is where bump should be set. A fully assembled pack will still go flat at the same point it just takes more force to do so. Therefore stripping it down makes it an easy task for checking.
     
  2. Dec 23, 2016 at 6:29 PM
    #3102
    tetten

    tetten Cynical Twat Waffle

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    I have read in a couple places that the Dakars are designed to go negative, is that a thumb rule for all leaf packs?

    I can actually make my Dakars go negative with a full leaf pack with just a floor jack.
     
    Last edited: Dec 23, 2016
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  3. Dec 23, 2016 at 6:42 PM
    #3103
    Sacrifice

    Sacrifice Motorcycle Goon

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    Any pack can go negative. You just lose life expectancy on it doing so since it deforms the metal opposite the initial arch.

    My leaf pack I can't do that. Your Dakars must be pretty soft.
     
  4. Dec 23, 2016 at 6:48 PM
    #3104
    Crom

    Crom [OP] 2/3 way thru. I'll be back OCT 23, 2021

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    Dakar is okay with negative arch to a certain degree. I know this much just looking at the design. I have no spring rate to quote you, I don't know what it is. Perhaps direct your question to OME /ARB and search their documentation. That's what I would do.

    Spring pack design is different between vendors. So it's not universal to say that they are all okay with negative deflection.

    You didn't ask, but I'll say it anyway, the Toyota stock leaves are also designed to run flat and negative all the time it would seem. I crawled under an unloaded 2017 and springs were flat. Totally normal for Tacoma, certainly not desirable for overland travel or hauling, just their design. It is what it is.
     
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  5. Dec 23, 2016 at 6:48 PM
    #3105
    tetten

    tetten Cynical Twat Waffle

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    Yeah, its all interesting/odd, that's why I'm curious about it, also I find it bizarre with so many of them being used that not a single person has tried it and documented it.

    So when you compress the main leaf, you simulate the rest of the leaf pack with a spacer, snug the axle back onto it and just jack it up to level?

    Based on what I see my pack do in the off-the-shelf configuration I might be able to compress it all the way up to the frame/bump stop pad if it were just the main leaf.
     
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  6. Dec 23, 2016 at 6:50 PM
    #3106
    Sacrifice

    Sacrifice Motorcycle Goon

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    Correct. Another way to do it is lay a string along the main leaf arch (bolt center to bolt center) then stretch it out flat following the arch of the rear shackle. That would give you the same bump positioning. You decide whether you want to bump it when the leaf is flat or negative.
     
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  7. Dec 23, 2016 at 6:52 PM
    #3107
    tetten

    tetten Cynical Twat Waffle

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    I have heard that from several sources, 1 of them said he actually called ARB/OME and asked about it and they said it was designed to absorb Australian outback washboard roads vibrations/bumps by going back and forth from negative to positive arch.....But yeah its all "Internet he said she said", but calling them and asking directly would be the best way to look into it further.
     
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  8. Dec 23, 2016 at 6:54 PM
    #3108
    tetten

    tetten Cynical Twat Waffle

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    OK cool, yeah it threw me off when I was just messing around and I could make it negative in my garage without breaking it down. I was curious what the "Right" way to do it.
     
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  9. Dec 23, 2016 at 7:04 PM
    #3109
    ecgreen

    ecgreen overeducated redneck

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  10. Dec 23, 2016 at 7:45 PM
    #3110
    Sacrifice

    Sacrifice Motorcycle Goon

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    Not a bad way to go. Inexpensive. My deavers have been great to me at the same time though. But it was near a grand for them but bolt in and no "custom" work.
     
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  11. Dec 24, 2016 at 6:52 PM
    #3111
    rngr

    rngr Aix sponsa

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  12. Dec 24, 2016 at 7:19 PM
    #3112
    tyfoon11

    tyfoon11 Nodus Tollens

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  13. Dec 24, 2016 at 8:31 PM
    #3113
    Bman4X5

    Bman4X5 There is no substitute for square inches.

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  14. Dec 24, 2016 at 8:41 PM
    #3114
    turbodb

    turbodb AdventureTaco

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    You got my vote. Way to go man.
     
  15. Dec 24, 2016 at 8:44 PM
    #3115
    IronPeak

    IronPeak PermaLurker

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    Voted, good luck Nick!!!
     
  16. Dec 24, 2016 at 9:07 PM
    #3116
    HB Taco

    HB Taco Well-Known Member

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  17. Dec 24, 2016 at 9:16 PM
    #3117
    Axion

    Axion Well-Known Member

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    Voted. You are currently in the lead.
     
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  18. Dec 24, 2016 at 9:44 PM
    #3118
    jubei

    jubei wishes he was in Moab right now.

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  19. Dec 24, 2016 at 9:51 PM
    #3119
    Drainbung

    Drainbung Somedays you are the show....

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    Voted, you did painstaking work on your thread with detail and function. Thanks!
     
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  20. Dec 24, 2016 at 9:57 PM
    #3120
    Crom

    Crom [OP] 2/3 way thru. I'll be back OCT 23, 2021

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    Thank you. Vote cast.

    :thumbsup:

    Thanks again everyone. Much appreciated. I'm honored and humbled.
    So much work went into the build this year.

    Thanks. Spindle guessets were an upgrade. Too many folks I know have bent them. Those plus cam tab gussets are really good upgrades for avid off-roaders.

    I don't think I need to do anymore to the front end for reinforcements at this time.

    I had originally planned on doing the TC coil bucket tower gussets, might still do that one day, but they are tricky to get right and welding cost was higher for that.

    I'm still interested in a coil bucket top brace. I had one on my old car and it was awesome. Dirt Designs makes some for our trucks at reasonable price.

    So those are a maybe, really depends on how hard I anticipate using the truck on trail.

    Merry Christmas everyone!

    :santa:
     
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