Load bearing capacity vs ride quality





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  1. #1
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    Default Load bearing capacity vs ride quality

    Hi All

    Its time for shock replacement and I am taking the opportunity to fit an aftermarket lift kit.

    EFS offers two options for the rear.

    A 150kg constant load bearing and 250kg constant load bearing capacity rear spring set.

    My first question is this kg rating over and above the standard spring rating.

    Second question will the ride quality be very harsh with the 250kg rear setup. Who is running heavy duty rear springs unladen? Will my passenger's complain.

    The vehicle (07 Pathfinder) is stock.

    But my intention is kit for overlanding and the odd trail. Got to start somewhere. Thanks in advance for any advice.

  2. #2
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    Default Re: Load bearing capacity vs ride quality

    Any opinions on this matter? I would also like to know about this matter.

  3. #3
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    Default Re: Load bearing capacity vs ride quality

    Why do you want to replace the shocks, are they worn out? Maybe keep them stock unless you aim to lift the vehicle as well.

  4. #4
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    Default Re: Load bearing capacity vs ride quality

    Best Tasting Rooi Dooswyn - 65 replies.

    This thread 0 replies.
    Last edited by Chris Stoffel; 2018/03/28 at 12:32 PM.

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  6. #5
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    Default Re: Load bearing capacity vs ride quality

    I think nobody replies because there are a huge amount of variables in his question with none of them supplied with any detail.
    It depends on how the extra carrying capacity is achieved IE is is simply a harder spring pack or more leafs added or did they make it progressive etc etc.
    is his passengers super prone to complaining or are they the hardy type farm boy etc.etc.
    Many questions but basically impossible to answer given the data supplied.
    'Generally' speaking any spring that can carry more will be less comfortable when not loaded.
    Audi Q7 - 3l TDi - 2010 - steel suspension - wife's daily
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  8. #6
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    Default Re: Load bearing capacity vs ride quality

    Here is a screenshot of options for my vehicle.

    Can't vouch for how they are fabricated.

    Pathfinder has independent suspension front and rear so no leaf springs.

    And vehicle is bone stock.

    I am sure there are plenty of suppliers offerings similar options for "wagon" ladder chassis SUV with coil suspension.

    My question is to persons who have opted for heavy duty versions of suppliers' raised suspension kits what their ride quality experience is when the vehicle is not laden with overland gear.

    Regards

  9. #7
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    Default Re: Load bearing capacity vs ride quality

    Click image for larger version. 

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  10. #8
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    Default Re: Load bearing capacity vs ride quality

    based on my experience, On my 03 Hilux SC , I had the OME 200kg constant rear springs when unloaded and no canopy it was sitting at 100mm lift drove really bad, loaded the bakkie drove really soft and comfortable. Before selling the bakkie I removed the suspension (buyer wanted the std setup) and put back the original one, bakkie drove quite nice again unloaded.

    So from what I went through if you not going to add any weight it may drive abit harder with the 250kg setup, unless you go for the comfort type setup (ironman do those)
    Hilux 2700i s/c 4X4 with a few extras ...............
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  11. #9
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    Default Re: Load bearing capacity vs ride quality

    Sorry for taking so long to reply, I was struggling to get that little tap out of the box lined up just right.

    What are you hoping to achieve ? Over landing and the odd trail don't sit well together as to get both right you need two differing set ups.

    Over landing should have the objective of having a reasonable ride on tar, as you will be travelling a good % on this stuff, plus you then want some reliability for load carrying when you get into the rough stuff. What rough stuff ? Deep sand, rocks, gravel, steep inclines or declines, mud. You may encounter most of these but probably not as much or as extreme as on a trail.

    Going on a trail, you want to be as light as possible with as much articulation as possible, totally different requirement to over landing. This is where the air suspensions beat us or of course solid axles.

    To my mind you need to decide which is your strongest preference. For over landing I would go with the lighter load rating and if you do get a lift, that would be a bonus.

    If you are loading the kitchen sink and towing, then the larger load rating would be more suitable but unladen your passengers need kidney belts.
    Lusted for a Landy but the Pajero was sexier and bigger in the right departments, just like my Missus.

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  12. #10
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    Default Re: Load bearing capacity vs ride quality

    Whenever you increase the load rating you compromise the ride quality.

    There is no free lunch on this.
    2012 Jeep Sahara Unlimited 3.6 V6
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  13. #11
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    Default Re: Load bearing capacity vs ride quality

    Best compromise is to keep standard springs.

    Fit air helpers inside the coils to help when loaded.

    Use adjustable shocks like Ranchos.

    Hard shocks unladen are dangerous as they car will bounce around.

  14. #12
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    Default Re: Load bearing capacity vs ride quality

    Hi Thanks all for the replies.

  15. #13
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    Default Re: Load bearing capacity vs ride quality

    I've bought the kit and fitted myself. Here are some pics of the install. Hope it helps anyone wanting to do a DIY job. Click image for larger version. 

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  17. #14
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    Default Re: Load bearing capacity vs ride quality

    Some quick pointers
    - check you can still get out the garage with a lift kit installed. Deflating tyre is an option
    - air impact tool is a gem
    - you need spring clamps if the front is not assembled. Take your time with the spring clamps. Clamping evenly. Big energy involved
    - keep a trolley jack at hand for lifting swing arms
    - definitely need to take the vehicle for wheel alignment afterwards
    Z
    - for front strut ensure when you assemble the top plate it alings with the shock bottom mount. Id you don't the strut won't fit and you will have to disassemble the strut

  18. #15
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    Default Re: Load bearing capacity vs ride quality

    I must say, your Pathfinder do not look lifted very much, even though you gained 75mm. Maybe enough to fit slightly bigger tyres?

  19. #16
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    Default Re: Load bearing capacity vs ride quality

    Ride quality is great. Its slightly firmer which i enjoy. Note i did go with 45kg springs up front and 250kg rears. Its less inclined to roll and wallow. Tried it out on a gravel rutted road and it soaks it up well.

    Overall quite pleased. Now to plan a road trip and trail.

  20. #17
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    Default Re: Load bearing capacity vs ride quality

    @ Chris Stoffel
    Tyres are still new. Need a another 80000km to justify tyres.
    Currently running 265\65\17. Would like to try 285\70\17 for another inch of lift

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  22. #18
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    Default Re: Load bearing capacity vs ride quality

    Glad it all worked out well for you, sometimes these things can be hit and miss. If the firmer rides suits you then you have gotten it right.

    Great job
    Lusted for a Landy but the Pajero was sexier and bigger in the right departments, just like my Missus.

    2004 Gen 3. 3.8i petrol V6 (PAJTU)
    X Factor Bundutop trailer (designed by me)
    1998 Blister Fender Pajero 3500 24V (PAJ) (Sold)
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