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KDSS or not?

Discussion in '5th Gen 4Runners (2010+)' started by darkfader, Dec 25, 2018.

  1. Dec 25, 2018 at 7:14 AM
    #1
    darkfader

    darkfader [OP] New Member

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    Some of you may have seen my thread but my ‘17 ORP was wrecked Sunday and I’m hoping to replace it with another one just like it but new ‘18 or ‘19.

    My question is, if you knew you were lifting the runner immediately after purchase with a 6112/5160/T13 setup would you purchase with KDSS or not?Is it worth the added expense if I’m adding the stiffer bilstein setup? I have not driven a 5th gen with the standard suspension. And I’m 95% street driven. Thanks for any insight.

    Merry Christmas!
     
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  2. Dec 25, 2018 at 9:21 AM
    #2
    mynameistory

    mynameistory New Member

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    Yes. KDSS functions fine with the mild lift you're talking about and 95% of the benefit is on the road (less roll/dive and flatter cornering).
     
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  3. Dec 25, 2018 at 10:36 AM
    #3
    Crossfit4Runner

    Crossfit4Runner New Member

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    From what I was told when I lifted mine everything is easier with out KDSS.
     
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  4. Dec 25, 2018 at 10:47 AM
    #4
    4X4Runner

    4X4Runner Moderator Staff Member

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    The left coast
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    Mad driver mod. OME Suspension. 285/70R17 BFG AT KO2
    It probably is but I didn’t have any issues lifting two KDSS equipped 4R’s.
     
  5. Dec 25, 2018 at 3:10 PM
    #5
    browndirtcowboy

    browndirtcowboy New Member

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    king 3" lift kit, fuel vectors, 285 toyo mt's, oem audio 500q, morimoto hid headlights, morimoto led fogs,
    If its 95 percent street I would opt for KDSS. If I were to do it again I would probably go without KDSS, but my driving is mostly offroad. Kdss is nice but more things to go wrong and if modifying the rig, kdss will pose challenges.
     
  6. Dec 25, 2018 at 3:25 PM
    #6
    darkfader

    darkfader [OP] New Member

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    I’m not so much worried about the shock/spring install with the KDSS. I’m more wondering if the extra couple grand on the sticker price is worth the performance after adding the stiffer shocks and springs.
     
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  7. Dec 25, 2018 at 9:47 PM
    #7
    mynameistory

    mynameistory New Member

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    T13 is a rear coil, is that correct? Or is that front and rear?

    You may gain some lateral stiffness with a heavier set of coils, but you get closer to discomfort the stiffer you go. KDSS helps roll without changing spring rate.
     
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  8. Dec 25, 2018 at 11:36 PM
    #8
    4runningMan

    4runningMan New Member

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    I'm not trying to persuade you one way or another. Just pointing out another way to look at the situation:

    Is a stock truck without the KDSS really that bad?? No, not really (there are differing opinions here, but I'd certainly say it's not too bad off the line- they make 10's of thousands of them). Upgrade it with your new suspension and it and it will be even better!

    Now... How much $$ is it worth to you to get any better than that?? $2k is a lot of money that you could use to do other things.

    Again, just another way of looking at it. Suspension performance vs other things you'd like to do to the truck.
     
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  9. Dec 26, 2018 at 5:51 AM
    #9
    boogie

    boogie New Member

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    T13 is a rear coil.
     
  10. Dec 26, 2018 at 6:05 AM
    #10
    boogie

    boogie New Member

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    This was my logic when shopping for mine. Knew I would be swapping suspension at some point, so I tried to save money where I could. Found a TE with no KDSS at a fair price. Used the savings for mods.
     
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  11. Dec 26, 2018 at 6:20 AM
    #11
    jgcaps

    jgcaps Lovin the Colorado Life.!

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    I have a 3" Icon lift on mine with KDSS and for a truck... it feels like it's on rails... I enjoy driving it that's for sure.
     
  12. Dec 26, 2018 at 6:58 AM
    #12
    darkfader

    darkfader [OP] New Member

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    Yea the T13 is the rear coil. I believe it’s 12% stiffer than stock. My issue is, I’ve already ordered a complete suspension for my now wrecked ‘17. It’s probably totaled. Sure I can sell all this stuff off most likely at a loss but if insurance works out, I’d be looking to replace the 17 with another 4Runner. So might as well keep the stuff I’ve ordered and install on the new vehicle. I’ll probably just stick with the KDSS on the new one.
     
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  13. Dec 26, 2018 at 7:36 PM
    #13
    mynameistory

    mynameistory New Member

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    What coils are you installing up front with the 6112 shocks?
     
  14. Dec 27, 2018 at 9:39 AM
    #14
    darkfader

    darkfader [OP] New Member

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    The bilstein coils that come in the kit. I think it’s the B8 kit. Stuff hasn’t arrived yet but it was ordered before I had the accident. It’s hard to tell what’s going to happen with insurance. I may get screwed over and have to drive a much older, cheaper ride for a while.
     
  15. Dec 28, 2018 at 9:43 AM
    #15
    2016 Trail Editition

    2016 Trail Editition New Member

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    Kdss is amazing. I have a 2016 trail edition with bisltein 6112 and 5160, with the kdss i can take corners like a sports car. On straightaways it is smooooth. I recommend it for sure. No body roll to speak of.
     
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  16. Dec 29, 2018 at 1:35 AM
    #16
    Goin4Broke

    Goin4Broke New Member

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    I was in the market for a 4Runner and test drove one with KDSS loved it, later that week I drove one without, I know it wasn’t back to back but the difference didn’t seem to justify the cost knowing I will upgrade the suspension. Grabbed an off Road without and put 95miles on today and don’t regret it. I’ve read a lot of people with it wouldn’t go without.. but how did you like your ORP, if you liked it you won’t miss what you never had.
    Noted: I read threads for days and days trying to figure out if I was going to get one w/ or w/o and I recall only reading one person who didn’t like having KDSS.
     
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  17. Jan 11, 2019 at 5:16 AM
    #17
    2016 Trail Editition

    2016 Trail Editition New Member

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    KDSS is absolutely noticeable in all driving conditions. It give the truck, car like cornering and smoothness.
     
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  18. Jan 11, 2019 at 6:39 AM
    #18
    Snow Packed

    Snow Packed New Member

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    The more fluid the suspension depends on, the more the suspension will leak. Those types of suspensions are exposed to everything environmentally bad, which is not good for those components.
     
  19. Jan 11, 2019 at 9:22 AM
    #19
    mynameistory

    mynameistory New Member

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    Well you'd better drain your engine of oil and coolant before it starts leaking then.

    Besides, the suspension doesn't depend on the swaybar stiffness directly, you're thinking of the XREAS system on the Limited with hydraulically linked shocks. The KDSS system could bleed out and your truck would drive just fine, like one without swaybars.
     
  20. Jan 11, 2019 at 9:49 AM
    #20
    Snow Packed

    Snow Packed New Member

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    Unlike the oil in your trans and engine, KDSS is a hydraulic system. Yes, XREAS works similarly and has its trouble too.
     
  21. Jan 11, 2019 at 11:44 AM
    #21
    jgcaps

    jgcaps Lovin the Colorado Life.!

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    trouble...? People having problems with KDSS..?
     
  22. Jan 11, 2019 at 11:51 AM
    #22
    mynameistory

    mynameistory New Member

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    My uncle's brother's friend's neighbor said that his aunt's cousin's daughter had a problem once and it was very expensive to repair.
     
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  23. Jan 12, 2019 at 1:34 PM
    #23
    emcan4runner

    emcan4runner 2017 Super White 4Runner TRD Off Road, KDSS

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    Looking for some advice. I have a 2017 T4R Off Road Premium with KDSS. I am considering upgrading the stock shocks to something with better quality. Not really looking for a lift, just want better quality shocks for a better ride. Most of my driving is on road and I have to say the KDSS is great. Any thoughts?
     
  24. Jan 12, 2019 at 2:33 PM
    #24
    mynameistory

    mynameistory New Member

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    Pro takeoffs. Cheap, OEM upgrade, smooths out the ride considerably. Lots of Pro guys take them off to swap on big money stuff. Keep an eye out and you can score a set of practically new shocks/coils for cheap. They work great on my KDSS truck.
     
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