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Alignment question

Discussion in '3rd Gen. Tacomas (2016+)' started by Kevovek76, Sep 14, 2021 at 5:37 PM.

  1. Sep 14, 2021 at 5:37 PM
    #1
    Kevovek76

    Kevovek76 [OP] Active Member

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    3” front and 2” rear lift, 285/75/17 KO2, 17” method MR301 Wheels
    Just curious on thoughts. I’ve been having some what I think are alignment issues with my 21 SR5. 3” lift, 285/70/17. Do you think it’s best to put alignment by to spec and do a CMC mod or just move caster highest it will go forward? When I got my new JBA UCA’s there’s an alignment sheet in the book and my last alignment guy said he set to those specs but still seems to be doing the same thing it has been since the lift. Any thoughts are much appreciated. I’ve tried uploading video but won’t upload.
     
  2. Sep 14, 2021 at 5:44 PM
    #2
    GrundleJuice

    GrundleJuice Well-Known Member

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    What's it doing and what are your alignment numbers?
     
  3. Sep 14, 2021 at 6:06 PM
    #3
    Kevovek76

    Kevovek76 [OP] Active Member

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    The steering wheel is acting like bump steer. I tried uploading a video but it wouldn’t upload.

    9FCC9198-D639-4DEB-A57E-61A2175FF165.jpg
     
  4. Sep 14, 2021 at 6:13 PM
    #4
    JaCado

    JaCado I make bad choices

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    Have to upload to YouTube then attach link to it here
     
  5. Sep 14, 2021 at 6:18 PM
    #5
    supmet

    supmet Well-Known Member

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    That alignment looks about as good as you can hope to get.

    High caster definitely feels a lot different in the steering wheel, I would drive it for a bit and see if you get used to it.
     
  6. Sep 14, 2021 at 6:30 PM
    #6
    Kevovek76

    Kevovek76 [OP] Active Member

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    3” front and 2” rear lift, 285/75/17 KO2, 17” method MR301 Wheels
  7. Sep 14, 2021 at 6:37 PM
    #7
    Kevovek76

    Kevovek76 [OP] Active Member

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    Hopefully that worked. That is on a small gravel driveway area. Notice the MPH.
     
  8. Sep 14, 2021 at 7:10 PM
    #8
    Macsplace

    Macsplace Active Member

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    I personally did not like that high of caster on my own truck. I know exactly what you are talking about. Lowered mine down to around 3.3
     
  9. Sep 14, 2021 at 7:20 PM
    #9
    Tacodog

    Tacodog Well-Known Member

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    Just got mine set to +3 caster , 0 camber and 0 toe. Feels different. Going on a road trip tomorrow. Will see how it does.
     
  10. Sep 14, 2021 at 7:23 PM
    #10
    Kevovek76

    Kevovek76 [OP] Active Member

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    Mac- you think it’s because there’s so much caster?

    tacodog- what tire you running? Did you have to do the CMC mod?
     
  11. Sep 14, 2021 at 7:26 PM
    #11
    Macsplace

    Macsplace Active Member

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    Mine felt twitchy at 4.5. After hitting a bump I had slight osalation of the steering wheel. Plus the steering felt heavy to turn
     
  12. Sep 14, 2021 at 7:32 PM
    #12
    Kevovek76

    Kevovek76 [OP] Active Member

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    What tire you running? I don’t think my steering feels to heavy just pretty much every bump moves the wheel.
     
  13. Sep 14, 2021 at 7:33 PM
    #13
    Macsplace

    Macsplace Active Member

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    285 70 17
     
  14. Sep 14, 2021 at 7:41 PM
    #14
    Kevovek76

    Kevovek76 [OP] Active Member

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    Same size I’m running. So your caster is 3.3 did you do CMC so you don’t rub? How’s it feel on smaller bumps once you lowered caster?
     
  15. Sep 14, 2021 at 7:45 PM
    #15
    splitbolt

    splitbolt Well-Endowed Member

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  16. Sep 14, 2021 at 7:46 PM
    #16
    Macsplace

    Macsplace Active Member

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    No cmc. I have Spc uppers. Lower eccentrics are maxed to push wheel all the way forward. I have slight rub on the plastic splash shield. Feels better on smaller bumps now.
     
    JayRolla likes this.
  17. Sep 14, 2021 at 7:46 PM
    #17
    JaCado

    JaCado I make bad choices

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    They look like methods in his avatar
     
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  18. Sep 14, 2021 at 7:49 PM
    #18
    Kevovek76

    Kevovek76 [OP] Active Member

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    3” front and 2” rear lift, 285/75/17 KO2, 17” method MR301 Wheels
    Splitbolt- Yes small rocks and small holes in the dirt drive, method 301 17x9 -12

    Mac- I do have JBA uppers
     
  19. Sep 14, 2021 at 7:50 PM
    #19
    Kevovek76

    Kevovek76 [OP] Active Member

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    I’ve been fighting this for a couple months trying to wrap my head around it.
     
  20. Sep 14, 2021 at 7:56 PM
    #20
    splitbolt

    splitbolt Well-Endowed Member

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    I suspected a negative number...
    It creates more leverage when you move the offset that way...

    Are those your numbers or are they from the JBA instructions? Betting you have toe around 0; should be at least +0.07 for that amount of added positive scrub.
     

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