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Pro Comp 3in., Alignment Issues?

Discussion in 'Suspension' started by TA06CO, Feb 7, 2009.

  1. Feb 7, 2009 at 8:04 PM
    #1
    TA06CO

    TA06CO [OP] TA06CO

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    Arvada, Colorado
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    06 TRD O/R, 3in. Pro Comp Lift
    Brush Guard, 3 Stage Tonneau Cover, Side Steps, Silverstar Ultras, 3in. Pro Comp Lift w/ AAL, ES3000 & ES9000 Pro Comp Shocks, 285/75/R16s Yoko GEOs, Differential Drop, Carrier Bearing Drop...
    I just put a Pro Comp 3 inch suspension (looks great) on over the weekend and had the alignment done twice, reason being the guy at the first shop told me he "got it as close as he could",its off by only 100s of a fraction of a degree, so I figured yeah right. So, I went on to the next shop he said the same thing. I asked what's causing the as close as we can comments, he said the lift is to large for the stock components, such as shock arms, sway bar, etc...can this be true? is there any suggestions on how to fix this, getting it to align properly? Before we put the lift on I measured from the bottom of the rim to the mid point of the fender and did the same after installation and it was a gain of 3 1/4 in front and 2 3/4 in rear, larger than estimated by the company, would this have anything to do with the alignment? I have put on many a lift and never had alignment issues with any of them, now I am obviously not a pro on alignments. Alignments I will leave to the Pros.
     
  2. Feb 7, 2009 at 8:19 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Welcome to Tacoma World!
    Your alignment is off more than what they are saying. To get it back to spec, you will need to replace the upper control arms with ones that add Caster. Right now, your cast, toe, and camber are off. For them to get the Toe and Camber correct, your caster will be at .5* or so. WAy out of spec.
     
  3. Feb 7, 2009 at 8:37 PM
    #3
    luk8272

    luk8272 Poodoo

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    Welcome, chris is the man, he knows his stuff.
     
  4. Feb 7, 2009 at 8:42 PM
    #4
    TA06CO

    TA06CO [OP] TA06CO

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    Arvada, Colorado
    Vehicle:
    06 TRD O/R, 3in. Pro Comp Lift
    Brush Guard, 3 Stage Tonneau Cover, Side Steps, Silverstar Ultras, 3in. Pro Comp Lift w/ AAL, ES3000 & ES9000 Pro Comp Shocks, 285/75/R16s Yoko GEOs, Differential Drop, Carrier Bearing Drop...
    Toe, Camber are all within toyota specs, The problem is the SAI portion of the alignment, specified range is 11.3 - 12.8 and it reads 11.0(left), right sits at 10.8 and they said this is the best they could do, is it? Caster spec range is 1.3 - 2.8 , left sits at 1.0 and right sits at 1.2, I think it can be adjusted better then it sits but i could be wrong because the right for the caster is off by .1 degree and thats .1 closer to the spec. Like I said I am not a pro just a little confused. Also what about the back aligning/
     
  5. Feb 7, 2009 at 9:01 PM
    #5
    SC4333

    SC4333 Well-Known Member

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    Chris pretty much said it all with his post. Your problem is that with the factory upper control arms, you can not achieve the factory alignment specifications due to the geometry of the UCAs. The only way to solve this problem is to purchase and install a pair of aftermarket UCAs with the modified geometry that will account for the added lift. Total Chaos, Icon, and a few others make UCAs that will solve your issue. They are not cheap, but a necessity if you want to get the alignment within spec. Most people around here would probably recommend a set of Total Chaos UCAs, very good quality for the money.

    For the rear there is no alignment needed. There is no alignment needed for a solid axle rear.
     
  6. Feb 7, 2009 at 9:05 PM
    #6
    TA06CO

    TA06CO [OP] TA06CO

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    06 TRD O/R, 3in. Pro Comp Lift
    Brush Guard, 3 Stage Tonneau Cover, Side Steps, Silverstar Ultras, 3in. Pro Comp Lift w/ AAL, ES3000 & ES9000 Pro Comp Shocks, 285/75/R16s Yoko GEOs, Differential Drop, Carrier Bearing Drop...
    I appreciate everyones help.. I think I got all my questions answered I guess I will start the shopping process...
     
  7. Feb 7, 2009 at 9:19 PM
    #7
    SC4333

    SC4333 Well-Known Member

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  8. Feb 8, 2009 at 5:10 AM
    #8
    pataco

    pataco Well-Known Member

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    yes what they said,i went with the lruca and the align. is awsome.
     
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