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After susp install, what should my bumpstop measurement be ?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by scyot89, Jul 10, 2024.

  1. Jul 10, 2024 at 4:51 AM
    #1
    scyot89

    scyot89 [OP] Well-Known Member

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    I just installed OME BP-51 shocks all around and deaver N98 leaf packs in the rear, which are rated for 2 inches of lift. What should my rear bumpstop gap measurement be ?

    Right now there is 4.5" to 5" of shock shaft when sitting still/level.

    I am using my sumospring as a bumpstop which I cut down, measurement between it and the frame is about 2.75" to 3".

    Any help would be appreciated.
     
  2. Jul 10, 2024 at 7:44 AM
    #2
    ridefreak

    ridefreak Well-Known Member

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    Ideally you'd want a decent gap to allow the suspension to articulate before the bump starts impacting travel, probably isn't happening with a sumo, the fact that you are using sumos means it's taller than most bumpstops out there but the sumos are designed to compress a good bit. I don't think you should be going by a specific gap distance but rather how your truck performs. Sumos aren't a normal bump stop. Do you need allot of articulation? If so the sumos aren't the best choice. Nothing is stock back there including the amount of travel so any figure is kind of meaningless.

    I did the same thing, cut down sumo and left it on as a bump stop after a lift. If you had the sumos on prior to the leafs you saw they almost sit on the frame if they weren't touching it. Probably the reason you cut them down, it was for me. I cut the top donut off and after a 2" lift there's about 3" of gap between the top of the sumo and the spring. Doesn't seem like much but a sumo can compress 50% of it's length. I have zero complaints about the ride on and off road after lifting the truck with this setup. It's significantly better than the same setup with stock leafs and the sumos can still do what they do if the truck is carrying a lot of weight..

    [​IMG]

    Static height with just a topper and about 100# of gear in the back.
    [​IMG]



    `
     
    scyot89[OP] likes this.
  3. Jul 10, 2024 at 8:43 AM
    #3
    scyot89

    scyot89 [OP] Well-Known Member

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    Thanks, makes a lot of sense. And yes, I cut them down same reason you did. Got about the same distance between the stop and the frame as you do as well. Dont need a lot of articulation, more less want it to work well over washboarded pothole gravel roads. Wanted it to be smooth. Here is the truck after the install. OME susp install.jpg OME susp install.jpg
     
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  4. Jul 10, 2024 at 9:03 AM
    #4
    ridefreak

    ridefreak Well-Known Member

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    minor tweaks
    Your truck looks great! I used HD rear springs which is a budget option and supposed to add 500# of carrying capacity along with 1.5~2" of lift. I wanted to avoid any vibrations so I swapped in the ECGS bushing and added a carrier bearing drop. I considered installing the wedges to angle the diff but between the ecgs bushing, new carrier bearing and the carrier brg drop + new front wheel bearings it's quieter and smoother then before the lift.
     
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  5. Jul 10, 2024 at 12:46 PM
    #5
    scyot89

    scyot89 [OP] Well-Known Member

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    Thanks ! Yeah I just had a long weekend with mine. Did BP-51 shocks all 4 corners, deaver leaf packs, new lower ball joints, archive garage hammer hangers, ecgs bushing, and installed new carrier bearing spacers I made out of aluminum. A long 3 days ! No help to be found lol.
     
    ridefreak[QUOTED] likes this.

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