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Timbren Rear Active Off-road Bumpstops

Discussion in '3rd Gen Tundras (2022+)' started by ByeF150HelloTundra, Oct 23, 2022.

  1. Oct 23, 2022 at 10:25 AM
    #1
    ByeF150HelloTundra

    ByeF150HelloTundra [OP] New Member

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    FD7BCEC6-41E5-4CC9-9057-92F75C625BC8.jpg
    Installed these today to replace the factory bump stops. Have Durobumps in the front. Install took about 20 minutes. Didn’t have to jack up the truck or anything.
    Ever since I installed my Westcott lift in the rear, I’d feel a thunk/jolt going over speed bumps or potholes, and these got rid of that almost entirely. Super happy with them! Just thought I’d share for anyone interested
     
    Outbound, ATV25, Beams37 and 3 others like this.
  2. Oct 23, 2022 at 10:44 AM
    #2
    mass-hole

    mass-hole New Member

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    I put durobumps on my Lexus and I bought a 5th gen 4Runner version of the Timbrens(same that id put on my Lexus) to retrofit on my ‘95 sas’d 4runner that loves to bottom out more than anything.

    The ones on my lexus are noticable. Its at stock height so the axle sits pretty close to the bumps just driving around and you can feel its a lot less harsh than the bricks they used for stock bumps

    The timbrens def seem softer but much taller so they more progressively slow the axle than the Durobumps
     
    Last edited: Oct 23, 2022
  3. Oct 24, 2022 at 12:05 AM
    #3
    Kap1

    Kap1 New Member

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    Does this only help when truck is loaded and you drive over a bump? Or it could help to reduce rear sag when truck is loaded as well?

    How does this compare to the airlift air springs?

    Thx
     
  4. Oct 24, 2022 at 8:22 AM
    #4
    99ways2die

    99ways2die New Member

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    OP:
    1. Why Durobumps in the front over Timbren (they also seem to have a set for the front)?
    2. Did you notice more change when fronts were installed, or rear?

    Wescott 2/1 installed here on Platinum, and my only real complaint is the front hitting "somewhat hard" on big drops/bumps/pot holes. Rear seems fine/comfortable.

    Side note:
    Damn, either solutions seems rather expensive for what they are....but, if there is no other way, then so be it.
    -99
     
  5. Oct 24, 2022 at 9:33 AM
    #5
    mass-hole

    mass-hole New Member

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    These are not meant to be load bearing. They are to lessen the impact while offroading when you hit something hard and the axle slams into the bump stop. The stock bump stops are basically like rocks so the impact is hard. These are soft, but catch the axle earlier in the upswing and slow it down more gradually to lessen the harshness.

    Timbren does sell load bearing versions that are meant to assist like an air bag to though.
     
  6. Oct 24, 2022 at 9:37 AM
    #6
    Scruffy_Nerf

    Scruffy_Nerf New Member

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    For those interested, the Timbrens meant for load bearing are called Timbren SES (suspension enhancement system).
     
    Kap1 likes this.
  7. Oct 24, 2022 at 9:56 AM
    #7
    21CGtundra

    21CGtundra New Member

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  8. Oct 24, 2022 at 11:05 AM
    #8
    ByeF150HelloTundra

    ByeF150HelloTundra [OP] New Member

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    1. Durobumps in the front just because they were cheaper. Got a sweet deal from my buddy who never installed his on his ‘19. The front bump stops are the same a previous years’.
    2. Definitely noticed more change in the rear. Didn’t notice much change in ride quality from the front until I installed my C4 front bumper. For some reason the added weight to the front made the ride a lot smoother with the Westcott kit.
     
  9. Oct 24, 2022 at 11:07 AM
    #9
    ByeF150HelloTundra

    ByeF150HelloTundra [OP] New Member

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    Yup, just like he said, Timbren has two different options for the rears for different purposes. They have YouTube videos explaining it better than I could
     
  10. Oct 24, 2022 at 1:02 PM
    #10
    99ways2die

    99ways2die New Member

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    No discernable change in "harshness" at all (or minuscule) up front?

    Bummer; my rear is well behaved, but I was hoping to hear that the front end drop harshness on pot holes/etc improves a bit with this...
    -99
     
  11. Oct 24, 2022 at 1:39 PM
    #11
    mass-hole

    mass-hole New Member

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    If youre on a 2-3" lift in the front, wouldnt you be less likely to be hitting the bump stops than stock though? Or does the wescott lift extend them?
     
  12. Oct 24, 2022 at 1:53 PM
    #12
    ByeF150HelloTundra

    ByeF150HelloTundra [OP] New Member

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    Not that I could tell, but maybe try it out with some of the cheap Amazon ones? Only takes a few mins to install the front. Didn’t even take my tires off
     
  13. Oct 24, 2022 at 4:47 PM
    #13
    montera.built

    montera.built New Member

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    Well they're usually extended bump stops, so the whole goal is to still contact the bump stop at the same suspension stroke you would have if you were stock if that makes sense? So you need a bump stop that's a bit longer. Helps for us guys on like 37's to limit that up travel so we don't destroy the fenders.

    Edit: Not sure if this is the information you were asking for. Not sure if westcott has anything that extends the bumps stops. I know some level kits like fabtech have a spacer they put in there to extend it an inch or two.
     
  14. Oct 24, 2022 at 4:57 PM
    #14
    mass-hole

    mass-hole New Member

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    Yeah I just figured that since westcott is partially gaining lift from a preload spacer, that they might get away with no bump stop extension or just a washer to space it slightly for the spacer portion of the lift. Either way, you should have more bump stop clearance.

    I feel like 37’s are a different animal. They shouldnt bump stop the kit just to run 37’s.
     
  15. Oct 24, 2022 at 5:00 PM
    #15
    montera.built

    montera.built New Member

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    Yeah 37's are tough man. Still trying to find the bumps stops I want to use for the front. But I'm running these Timbren's in the rear and they do a great job at really limiting the up travel just to where the tire is at the tip of the fender. They also will give you spacers free of charge to dial it in perfectly.
     
  16. Oct 25, 2022 at 7:45 AM
    #16
    Kap1

    Kap1 New Member

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    Hi all,

    I'm debating between installing Air Lift air springs or this Timbrens SES load bearing units. I'm getting a camper shell and will be loading it with heavy tools...

    Any thoughts on air lift vs timbrens to help me understand this better?

    Thank you
     
  17. Oct 25, 2022 at 8:00 AM
    #17
    mass-hole

    mass-hole New Member

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    If its constant load(you never take the shell off or tools out) i would be looking at stiffer springs.
     
    Scooter73 and Kap1[QUOTED] like this.
  18. Oct 25, 2022 at 8:36 AM
    #18
    Shanet421

    Shanet421 (Semi) New Member

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    Do all 3rd gen front bump stops work on earlier Tundras? I’m hoping to install a set of these on my 2013.AF18B90C-248E-48B6-8CEF-34C702988A29.jpg
     
    AZEric likes this.
  19. Oct 25, 2022 at 8:48 AM
    #19
    Scruffy_Nerf

    Scruffy_Nerf New Member

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    I am going with Timbren SES for my camper. This is a comparison chart I made awhile back. I'm not an expert on this topic so please take the info below with a grain of salt. EDIT: I forgot to mention that one of main reasons I went with the Timbrens over the air lift kit is that I'm not comfortable moving the brake lines.

    upload_2022-10-25_8-47-5.jpg
     
    Last edited: Oct 25, 2022
  20. Oct 25, 2022 at 9:03 AM
    #20
    Kap1

    Kap1 New Member

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    Hi, yes that's what I had previously on my Ram - heavy duty TufTruck springs, and it worked very well for me. Although it was a stiff ride...

    But I can't find any stiffer springs option for a Tundra 2022. Do you know any vendors or options for stiffer springs for Tundra?
     
  21. Oct 25, 2022 at 9:06 AM
    #21
    Kap1

    Kap1 New Member

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    Thank you, this is very helpful!

    I don't want the added hassle of air bags maintenance... And wonder if it may put Toyota warranty under question.

    I wish I could find stiffer springs but it couldn't find anyone offering HD springs for a Tundra...
     
    Scruffy_Nerf[QUOTED] likes this.
  22. Oct 25, 2022 at 10:35 AM
    #22
    mass-hole

    mass-hole New Member

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    I thought 200 series Land Cruiser springs worked. I am sure there are vendors out there(dobinsons, Ironman, Etc) making heavy springs for those since they are 5500 lbs empty and guys have them setup for overlanding with 1000+ lbs of additional weight in bumpers, armor and gear.
     
  23. Nov 22, 2022 at 10:16 AM
    #23
    TheSS712

    TheSS712 New Member

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    If I am at stock with no lift, will the SES Timbrens help vs the stock little bricks? I do tow a travel trailer when time permits to go camping with the fam. The rear auto air levelers are all the way up but there are those certain bumps that still let the rear smack the stock stops. Thank you!
     
  24. Nov 22, 2022 at 10:28 AM
    #24
    Scruffy_Nerf

    Scruffy_Nerf New Member

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    It sounds like you want softer jounce bumpers instead. One thing to keep in mind is that the Timbren SES is designed to be constantly loaded as opposed to jounce bumpers, or the Timbren off-road bumpstops, which are designed to prevent bottoming out. I imagine that the ride would end up being much harsher if you used a Timbren SES like jounce bumpers since they are hard and significantly reduce suspension travel.
     
  25. Nov 22, 2022 at 11:19 AM
    #25
    TheSS712

    TheSS712 New Member

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    I do want a softer smash when hitting bumps but, also it sounds like the support the Timbrens give while towing/ have a load in the back might help. It does say that there should be 1/2" to 1-1/2" space between the frame and Timbrens. Are there other products instead of the rough stock stops? I do appreciate the feedback. Thank you @Scruffy_Nerf
     
  26. Nov 22, 2022 at 12:04 PM
    #26
    Scruffy_Nerf

    Scruffy_Nerf New Member

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    You could look at the active off-road bumpstops from Timbren (https://timbren.com/p-35852-active-off-road-bumpstops.html). It looks like Durobumps and Icon have options as well.
     
  27. Nov 22, 2022 at 1:08 PM
    #27
    TheSS712

    TheSS712 New Member

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    I'll check those out as well. Thank you and Happy Thanksgiving!
     
  28. Nov 22, 2022 at 1:22 PM
    #28
    mass-hole

    mass-hole New Member

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    The SES system is designed to sit close to the axle. That way, when you load the truck, they SES will engage relatively quickly after the suspension starts to compress.

    But this means unloaded you might only have an inch or so of uptravel before the SES contacts. Granted, its probably softer than an OE bump stop, but it will stiffen the suspension quickly as the axle travels up over a bump.

    I would say that you are better off with the offroad versions, since you already have the load leveling suspension. You dont need the SES's to help and it may not even do anything at all if your airbags just lift the truck anyways.
     
  29. Nov 22, 2022 at 3:18 PM
    #29
    Hbjeff

    Hbjeff New Member

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    How can timbren load assist bumpers not impact ride quality? That makes zero sense. If they don’t, then how can they assist with load carrying, as the suspension would need to compress significantly before the even engage
     
  30. Nov 22, 2022 at 5:16 PM
    #30
    TheSS712

    TheSS712 New Member

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    Thanks @mass-hole

    I may give them a call and have a quick chat. Thanks all
     

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