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    Quick Links: New Leaf Spring Install Sagging Suspension Fox 2.5 Coilovers - Is this legit? Wheeler's 3 Leaf Progressive AAL + Factory Overload OME Dakar leafs but looking for 1" more of lift 05 saggy front end. Replace with newer model struts?

Alignment, Caster, Clearance, and Driving Report with Light Racing UCAs

Discussion in 'Suspension' started by bjmoose, May 24, 2011.

Page 9 of 65
  1. Aug 26, 2013 at 5:58 PM
    #161
    XPOTRPR

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    At Firestone right now getting an alignment. (Which btw, lifetime is on sale for 139) told them 0 toe, 0 camber, and as close to 3 caster as possible. We will see.
     
    XPOTRPR, Aug 26, 2013
    #161
  2. Aug 27, 2013 at 11:40 AM
    #162
    4OYOTER

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    4OYOTER Well-Known Member

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    How'd it go?
     
    4OYOTER, Aug 27, 2013
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  3. Aug 27, 2013 at 11:47 AM
    #163
    XPOTRPR

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    Shitty... :/

    They apparently had two newer guys workin on it. The kid asked.. is this all aftermarket? No.. new UCAs, shocks and coils. He replies with... why don't you have new spindles. Dont you need them. With the most confused look. Needless to say.. after 2 hours they couldn't get it where I wanted at 0 camber 0 toe and 3 caster. They got it to driveable.. and I have to go back today so a more experienced tech can do it. I should them this thread and everyone's numbers.. we will find out today.
     
    XPOTRPR, Aug 27, 2013
    #163
  4. Aug 27, 2013 at 7:44 PM
    #164
    XPOTRPR

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    ok, here it is.. numbers came out great. Camber might need a tad of adjusting.. other than that, the vibes i was having and alignment issues of the tires catching the rear of the fenders.. have been fixed. now tho.. they grab the front of the fenders.. just gonna have to trim. no biggie.

    [​IMG]
     
    XPOTRPR, Aug 27, 2013
    #164
  5. Aug 28, 2013 at 7:18 AM
    #165
    XPOTRPR

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    XPOTRPR CNC Programmer/Machinist

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    Well... the vibes are still there. Most prominent from 50-65. Im running out of ideas. Should I try a road force balance?
     
    XPOTRPR, Aug 28, 2013
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  6. Aug 29, 2013 at 9:20 AM
    #166
    XPOTRPR

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    Ok. One more post and also a BUMP.. lol

    Figured out the vibes.. lost a hub ring somewhere.. so pulled one from the rear and put it on the front. Ordered another set.

    But.. as far as alignment.. it seems to pull right a bit and wanders.. would this be from the Positive Camber I seem to have?

    [​IMG]
     
    XPOTRPR, Aug 29, 2013
    #166
  7. Aug 29, 2013 at 9:32 AM
    #167
    evanmb31

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    evanmb31 Well-Known Member

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    High caster should help with wandering, low caster would make it worse, so that may not be your problem. Did you just go up to wider tires? Also does it pull right even if you are on the other side of the road crown, like in the fast lane of a divided highway?
     
    evanmb31, Aug 29, 2013
    #167
  8. Aug 29, 2013 at 9:37 AM
    #168
    XPOTRPR

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    Right. I asked them for as close to 3* caster as possible. They got pretty close. The Camber is what's making me curious. The tires are the same size as previous. And yes, regardless of crown in the road. Steering just feels "loose, and jerky"
     
    XPOTRPR, Aug 29, 2013
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  9. Aug 29, 2013 at 9:41 AM
    #169
    evanmb31

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    evanmb31 Well-Known Member

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    I misread your post, i read high caster instead of camber. I'm not really sure, i guess you can always bring it back.
     
    evanmb31, Aug 29, 2013
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  10. Aug 29, 2013 at 9:42 AM
    #170
    XPOTRPR

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    Ahh ok. Lol yeah.. was like.. ummm..

    Yeah goin in today and laying everything out on the table. I might just have to set the UCAs back to where they were (+2)
     
    XPOTRPR, Aug 29, 2013
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  11. Aug 29, 2013 at 9:43 AM
    #171
    Nixinus

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    Nixinus Well-Known Member

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    My gut is that since they made many adjustments it is wise to recheck the numbers. If I were a betting man I would say that the recheck will yield different numbers. Watch them get the initial readings and compare.

    If those numbers are actually correct then you should drop caster 0.3-0.5 on the left side to account for the wandering/crown.
     
    Nixinus, Aug 29, 2013
    #171
  12. Aug 29, 2013 at 9:45 AM
    #172
    XPOTRPR

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    Thanks for the input. Maybe it is the difference for crown im feeling. I do think the camber is off though. We will see today.
     
    XPOTRPR, Aug 29, 2013
    #172
  13. Sep 8, 2013 at 7:22 PM
    #173
    4OYOTER

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    4OYOTER Well-Known Member

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    Just upgraded to 35" tires and decided to take a trip to Firestone to get my caster bumped up to give more room at rear of fender well. I was previously at approx 3 Caster with UCAs at neutral +2 position. Firestone raised caster to 3.6 on both sides while keeping UCAs at +2 position. I do have more room now, but truck seems to have a bad case of "bumpsteer" now. Every bump big or small and my truck wants to change lanes. Anyone else experienced this? I thought more caster would also improve handling.
     
    4OYOTER, Sep 8, 2013
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  14. Sep 8, 2013 at 7:40 PM
    #174
    XPOTRPR

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    Yeah. Mine does that too. Im gonna have them lower the caster some (currently at 2.8 and 2.9) and concentrate on getting the camber and toe dead at 0. My UCAs are set at the +1 position now.
     
    XPOTRPR, Sep 8, 2013
    #174
  15. Sep 8, 2013 at 11:43 PM
    #175
    Digiratus

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    That 'bumpsteer' behavior is a symptom of too low a caster setting.
     
    Digiratus, Sep 8, 2013
    #175
  16. Sep 10, 2013 at 9:10 PM
    #176
    4OYOTER

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    4OYOTER Well-Known Member

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    What would give more room for tire clearance in the wheel well - 3.5 caster achieved with UCA set at neutral position or 3.0 caster with UCA at +1 position?
     
    4OYOTER, Sep 10, 2013
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  17. Sep 16, 2013 at 7:28 AM
    #177
    Texasdynaryder

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    Texasdynaryder Well-Known Member

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    According to this photo and what adjustments setting are from SPC. What degree is it sitting at. It looks way off.

    image.jpg
     
    Texasdynaryder, Sep 16, 2013
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  18. Sep 16, 2013 at 7:48 AM
    #178
    XPOTRPR

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    Looks like the +1 setting

    [​IMG]
     
    XPOTRPR, Sep 16, 2013
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  19. Sep 16, 2013 at 8:33 AM
    #179
    evanmb31

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    evanmb31 Well-Known Member

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    +1 setting for 3* added caster? I hate how they make it confusing. Looks like +3 to me

    Edit: nevermind i was all turned around. Looks like +1 total, ^ your'e right
     
    Last edited: Sep 16, 2013
    evanmb31, Sep 16, 2013
    #179
  20. Sep 16, 2013 at 8:54 AM
    #180
    XPOTRPR

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    Actually .. I WAS looking at it like it was the +3*. YOU are right sir. :thumbsup: lol.

    If it is that, that might be off. Mine is set to +1... totally of +3*

    Actually had them align it again Saturday and fixed my rubbing. Im at 3.1* of caster each side.. technically out of spec.. but it drives sooo much better now. Toe and camber are at zero. No more pull to the right either. Steering wheel is straight. Guess Firestone's are hit and miss. The first firestone sucked. Second was much better.
     
    XPOTRPR, Sep 16, 2013
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