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Add A Leaf, how much more capacity?

Discussion in 'Suspension' started by ERdept, Jul 15, 2008.

  1. Jul 15, 2008 at 4:25 PM
    #1
    ERdept

    ERdept [OP] Well-Known Member

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    Got the Toytec Add a leaf springs for the rear.

    Website of Toytec doesn't say, but they do say it add extra capacity.

    How much more capacity do these leaf lifts add?
     
  2. Jul 15, 2008 at 4:39 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Thor

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    An AAL does not add to the manufactures capacity rating of the vehicle. :)
     
  3. Jul 15, 2008 at 11:44 PM
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    ERdept

    ERdept [OP] Well-Known Member

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    Everything I've read, including Toytec themselves say the AAL add extra capacity.
     
  4. Jul 16, 2008 at 4:12 AM
    #4
    Janster

    Janster Old & Forgetful

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    Chris is right....

    Having the Toytec Add-a-leaf does not give you 'permission' to go beyond the manufacturer recommendations of vehicle towing or hauling capacities.

    Why? There are many reason why toyota sets those limits and the leaf springs is only one of them. The AXLE itself is another reason ... The axle is what carries everything that you haul or tow. Even though the leaf springs might be able to handle more - but the axle strength would be jeapardized if you go beyond the towing/hauling capabilities of the vehicle.
     
  5. Jul 17, 2008 at 8:47 PM
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    ERdept

    ERdept [OP] Well-Known Member

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    My intention is only to answer a question. That question being how much more capacity does the add a leaf add.

    My research indicated that most sellers do definitely say that they do add capacity.

    In fact this is the email response from Toytec.........

    "They definitely do add carrying capacity but they are not rated per pounds or designed as an overload spring".

    My question, once more is how much do they add?
     
  6. Jul 18, 2008 at 4:06 AM
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    Janster

    Janster Old & Forgetful

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    If Toytec is telling you *they definately do add carrying capacity*....And I'm not trying to sound rude - Call Toytec and ask them how much they'll add. If they're making claims to it - then they should know the answer.

    If they can't tell you - then nobody on this forum can answer you.

    The fact of the matter is - you shouldn't go beyond the towing / hauling / carrying capacity set by Toyota.
     
  7. Jul 18, 2008 at 4:55 AM
    #7
    ninja_taco

    ninja_taco Well-Known Member

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    you're not replacing your axle so you won't get an increase in capacity
     
  8. Jul 18, 2008 at 5:08 AM
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    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Thor

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    Vehicle capacity is determined by many things, not just an AAL. Frame, suspension, axel, tires, breaks, transmission, etc.. Simply changeing out one item, does not increase your trucks capacity. If Toytec is claiming that their AAL increases payload capacity, they are opening themselves up for trouble. Toyota (and all other auto makers) engineer their vehicles and give them the rating they have according to how they will perform with said weight being carried/towed. :)
     
  9. Jul 18, 2008 at 6:05 AM
    #9
    Khaos

    Khaos Well-Known Member

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    Perhaps Toytec means that it will prevent sagging under load, not necessarily that its adding any capability.
     
  10. Jul 18, 2008 at 8:08 AM
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    ERdept

    ERdept [OP] Well-Known Member

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    OK, thanks all for the answers.
     
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