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Question on alignment including LR UCA's

Discussion in '3rd Gen. Tacomas (2016-2023)' started by Wdhigh, Oct 28, 2016.

  1. Oct 28, 2016 at 12:46 AM
    #1
    Wdhigh

    Wdhigh [OP] Well-Known Member

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    I admit I don't know squat about alignment other than I appreciate a good one.

    Will be installing light racing UCA's and ome 888's here soon. When getting the alignment done are you guys trying to hit new specified numbers or the factory spec numbers for the 2016+?

    Are these the optimal numbers?
    0 camber
    0 toe
    3 caster


    What's setting on the light racing UCA's are most using? Is the 150 ft/lbs on the nut working well for everyone? Read some past post about slipping.

    Thank you in advance.
     
  2. Oct 28, 2016 at 3:33 AM
    #2
    splitbolt

    splitbolt Voodoo Witch Doctor

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    I really don't know where 0-0-3 came from.
    Toe and camber are debatable.
    The increase in castor is to account for the movement of the tire contact patch and SAI after a lift and/or larger tires; optimum varies.
     
  3. Oct 28, 2016 at 3:56 AM
    #3
    Aussiek2000

    Aussiek2000 Well-Known Member

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    Specs on my truck, works well for me. No wear, tracks straight with 285 mud tires.

    Toe 0-0.10
    camber -0.4
    caster 3.0 left 3.5 right
     
  4. Oct 28, 2016 at 9:26 AM
    #4
    bobrown14

    bobrown14 Well-Known Member

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    bunch of stuff - Bro Pro style
    Hey there A2K - Who did your alignment?? I had my dealer do it after lifting....
     
  5. Oct 28, 2016 at 10:34 AM
    #5
    Wdhigh

    Wdhigh [OP] Well-Known Member

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    So factory spec is no longer useable?

    Just to make sure there is also a difference in 15 and 16 alignment specs also?
     
  6. Oct 28, 2016 at 11:29 AM
    #6
    Hiluxski

    Hiluxski Well-Known Member

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    Go for max caster setting , it will drive great with +5 or 6.
     
  7. Oct 28, 2016 at 12:32 PM
    #7
    splitbolt

    splitbolt Voodoo Witch Doctor

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    Factory camber and toe would be fine; caster would not be 'optimum'.
    The relationship between your contact patch and SAI has changed. You have to get the SAI to intersect the contact patch closer to what it was at stock; or slightly forward to control added weight. Too little caster and it will wander; too much and it will bumpsteer.
     
    Wdhigh[QUOTED][OP] likes this.
  8. Oct 28, 2016 at 1:03 PM
    #8
    splitbolt

    splitbolt Voodoo Witch Doctor

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    Also, the service manual states, it require a VSC re-calibration anytime an alignment is performed.
    Most don't have it done unless they have it dealer aligned or it pops a VSC MIL.
     

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