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OME BP-51 Install Report and Height Adjustment

Discussion in '3rd Gen. Tacomas (2016+)' started by WILDPEAK, Feb 17, 2017.

  1. Dec 18, 2020 at 6:09 PM
    #801
    Gnarman

    Gnarman Well-Known Member

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  2. Dec 28, 2020 at 12:08 PM
    #802
    Bannerman

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    Hey guys, I have BP-51s on order, currently running Nitrochargers with 886s up front (too stiff :rolleyes:), Dakars in the back which will stay. Trying to figure out where I need to set my preload given my weight (or lack of weight) compared to a full steel bumper. I was thinking maybe 15-17mm considering the winch, aluminum slimline bumper, aluminum skids, and steel sliders. Or maybe 15mm passenger, 17mm driver?

    IMG_7472.jpg
    IMG_5755.jpg
     
  3. Dec 28, 2020 at 7:21 PM
    #803
    Fixxxer

    Fixxxer Trees Are Good

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    @Bannerman, I have mine set at 17 drivers and 15 passengers. I have a similar setup as far as an estimated weight and feel like I need to adjust mine to 20mm which I will do next service.
     
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  4. Dec 29, 2020 at 3:23 AM
    #804
    Bannerman

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    Excellent info. Thank you. About how much lift did you get? Did they settle at all over time?
     
  5. Dec 29, 2020 at 6:50 AM
    #805
    Bannerman

    Bannerman Lives Under Bridge

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    Are you running 20mm preload?
     
  6. Dec 29, 2020 at 6:53 AM
    #806
    SCHNUGGS

    SCHNUGGS Thy Sauceynezz!

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    I am.... didn't bother adjusting with all the steel.
     
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  7. Dec 29, 2020 at 6:54 AM
    #807
    Bannerman

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    Makes sense. What does that hybrid bumper weigh? I'm running aluminum slim bumper and aluminum skids so I'm thinking I may start at 15mm.
     
  8. Dec 29, 2020 at 7:09 AM
    #808
    SCHNUGGS

    SCHNUGGS Thy Sauceynezz!

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    Honestly don't remember the weight.... its not much lighter than a full steel.
     
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  9. Dec 29, 2020 at 5:38 PM
    #809
    Fixxxer

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    I imagine they may have settled a bit, if so very minimal. From memory I gained approximately 1-1.5" of lift at the front.
    I have since added a Warn 10k winch so need to adjust the preload to 20mm.
     
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  10. Dec 29, 2020 at 6:00 PM
    #810
    Bannerman

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    Man, that seems to contradict a lot of the other info. That seems like a tiny amount of lift for that amount of preload. I guess I better order a swing compressor to make sure I can dial this in.
     
  11. Dec 29, 2020 at 6:58 PM
    #811
    Fixxxer

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    From what I understand, it is supposed to be a 2" lift.
    I thought I should have gained a little more than I did but the numbers are what I got.
    To be fair, these numbers are what I measured at my initial instal with preload set at the factory 5.6mm but have since increased the preload to 17mm and 15mm.
    Initial set up was 5.6mm preload D and P.
    Before Fitment - FL 527mm, FR 527mm, RL 517.5mm, RR 536.5mm
    After Fitment - FL 555.6mm, FR 562mm, RL 603.2mm, RR 609.6mm
    I recall taking measurements from center of hub to lower edge of wheel fairing guard.

    Edit: After adjusting the Preload to 17mm (FL) and 15mm (FR) my measurements were as such. 590.5mm (FL) and 584.2mm (FR)
     
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  12. Dec 30, 2020 at 12:10 AM
    #812
    b3itz

    b3itz Camp Life

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    Tuned, geared, armored, BP51s...
    Just as another data point, I've got dual agms in factory location, winch, steel skids from rci and the covert steel bumper from cbi.
    I have a 1/4" spacer driver's side.
    To get my rake close to even, I had to go maxed out driver's at 30mm and 27mm passenger. It still has a very small rake.

    I have a kbvoodoo steel rack and 23zero tent mounted in the rear
    Dakar heavy leaf pack in the rear.
    compression is maxed out all around

    She weighed in about 6500lbs lol

    PXL_20201212_165101485.jpg
     
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  13. Dec 30, 2020 at 6:31 AM
    #813
    Outdoorsy_Yota

    Outdoorsy_Yota Hella-Known Member

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    The only "bad" thing about this setup is the front springs are tailored for the lighter, less porky, rigs...
     
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  14. Dec 30, 2020 at 6:33 AM
    #814
    Bannerman

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    Mine is on the lighter side, the 886s were too stiff given that most of my armor is Aluminum. What is the spring rate on the the coils on the BPs?
     
  15. Dec 30, 2020 at 6:35 AM
    #815
    Outdoorsy_Yota

    Outdoorsy_Yota Hella-Known Member

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    I knew this at one point lol its 5 something... Close to 600... I've had them for a while now and i got on the horn with ARB USA to see about the adjustment max and rebuild procedure... the sprinks were close to 600 lb springs if i remember right, but i do remember the cat saying that if you adjust your preload any more than 20mm and they could tell from the dirt marks, they would not be able to warranty anything and rebuilds would be more expensive.... so, theres that...
     
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  16. Dec 30, 2020 at 6:41 AM
    #816
    Bannerman

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    Pretty sure 884, 885, 887s are 590# so I doubt they are lighter than that. Maybe they are the same spring rate.....
     
  17. Dec 30, 2020 at 6:43 AM
    #817
    Outdoorsy_Yota

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    Yeah, same company... makes sense. Anyway, aside from that, the quality is top notch. Happy as hell with the setup, especially after adding larger bumps front and rear.
     
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  18. Dec 30, 2020 at 6:44 AM
    #818
    Bannerman

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    Good to hear, I'm excited for mine to arrive.
     
  19. Dec 30, 2020 at 6:48 AM
    #819
    MikefromCT

    MikefromCT Well-Known Member

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    OME Bp-51; Relentless Armor
    I gained just over 2 inches on mine. Installed a relentless plate bumper and a 12k winch when I did my suspension. 18mm preload to compensate for the weight up front. Performed flawlessly both on and off road since installing in August.
     
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  20. Dec 30, 2020 at 7:06 AM
    #820
    Outdoorsy_Yota

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    Forgot to mention the dual AGM batteries... things weigh a FT... lol but, good to hear people are getting decent lift with the relentless front bumper, that thing is BEEF.
     
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