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

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

  1. Dec 7, 2013 at 3:12 PM
    #221
    BBtacosurfer

    BBtacosurfer Well-Known Member

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    ^^Responding to my own post above. Problem is resolved. Went back to the alignment shop and the tech suggested we flip the drivers and passenger tires (front only). After the flip she drove way better and didn't pull to the right. I don't know if this is common or not but now I'm thinking I may have a balancing issue with one tire? or abnormal wear on one tire? (I didn't see any and am frequently inspecting my tires)
     
  2. Dec 7, 2013 at 5:04 PM
    #222
    DoorDing

    DoorDing Someone was there .

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    I've never had an out-of-balance wheel create a strong pull like you described. More likely, you have some bad wear on those tires. Maybe the new alignment and rotation will slowly correct the wear; maybe not. :notsure:
     
  3. Dec 7, 2013 at 5:05 PM
    #223
    bjmoose

    bjmoose [OP] Bullwinkle J. Moose

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    I've had tire-induced pull before. It's not a balance issue - balance induces shake/shimmy/shivver.

    Just something about how the tread pattern and belts on the tire wear.

    Just go to a front-back tire rotation when you rotate, keeping left and right on the same side each time.
     
  4. Dec 7, 2013 at 5:26 PM
    #224
    Digiratus

    Digiratus Adventurer

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    Agree with this 100%

    When tires are cross rotated, the wheel actually roll is the opposite direction. I know that many say this is OK for radials. but I am old enough to remember when this was quite a problem.

    The tire guy that swapped from side to side was changing the rolling direction of the tires. IMO, one of those tires has an issue. Possibly an internal belt has shifted or seperated. Long term you may see more issues.

    To prevent this from happening, always rotate front to back. Cross rotation can create it.
     
  5. Dec 16, 2013 at 7:29 AM
    #225
    chadderkdawg

    chadderkdawg Don't ask questions you don't want the answer to..

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    Just got another alignment, I have my LR uppers set to the +2 setting, shop set my caster to 1.7 on the left and 3.4 on the right... I told them it needs to be in the 2.5 range, but they said the camber didn't allow that... Do they just not know how to use the LR uppers? Or are they idiots? Idk...
     
  6. Dec 16, 2013 at 7:33 AM
    #226
    NC15TRD

    NC15TRD Your girlfriend likes my member

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    LCA cams may be seized...
     
  7. Dec 16, 2013 at 7:35 AM
    #227
    YOTA LOVER

    YOTA LOVER Stay Calm, and Fire For Effect

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    It would seem they may need you to bring in this write-up (the section where Moose explains maximizing clearance) and the SCS install sheet.

    I think the tech would've told him if they were seized, or should have anyway.
     
  8. Dec 16, 2013 at 7:36 AM
    #228
    chadderkdawg

    chadderkdawg Don't ask questions you don't want the answer to..

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    I've been holding off to replace the cams for when I can get some poly bushings for the lca, which are supposed to be available by the end of the year....
     
  9. Dec 16, 2013 at 7:37 AM
    #229
    NC15TRD

    NC15TRD Your girlfriend likes my member

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    I was gonna check mine this weekend but not sure I want the bad news haha
     
  10. Dec 16, 2013 at 7:38 AM
    #230
    chadderkdawg

    chadderkdawg Don't ask questions you don't want the answer to..

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    Heh I hear ya, I dread needing an alignment because I just never know what to expect at these shops...
     
  11. Dec 16, 2013 at 7:49 AM
    #231
    NC15TRD

    NC15TRD Your girlfriend likes my member

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    I'm getting 33s in the spring and I know I'm gonna need to do work before that :pout:
     
  12. Dec 16, 2013 at 8:18 AM
    #232
    YOTA LOVER

    YOTA LOVER Stay Calm, and Fire For Effect

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    You can set the LR UCAs at "E" and get a good caster, you might be able to set them at "F" and still get close to 2 degrees after its aligned. 2 isn't bad. It helped a lot (when I did mine at "E") in respect to clearing the tires and the back side of the fender.
     
  13. Dec 16, 2013 at 8:23 AM
    #233
    NC15TRD

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    I'll turn them 1 notch when I do it. My alignment guy is really good and I'll be there to watch and make sure I get what I need done to clear.
     
  14. Dec 16, 2013 at 8:24 AM
    #234
    YOTA LOVER

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    That's awesome! Its hard to find a tech who'll take the time to figure out how far they can push the upper BJ setting to maximize clearance and still get good alignment numbers.
     
  15. Dec 16, 2013 at 8:46 AM
    #235
    NC15TRD

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    Last time I had an alignment I dropped the truck off with the directions because I had school and when I picked it up it was amazing! I talked to him the next day and he said it was super easy to do! He's a friend's dad and knows how particular I am and that I know what I'm talking about
     
  16. Dec 17, 2013 at 4:31 AM
    #236
    MrFastener

    MrFastener Fastener Tech

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    I too have gone thru the works on getting someone who knows how to adjust the uppers. I went to one shop, spoke to the tech, gave him the sheet from SPC showing the setting for the LR uppers and the guy still went the other direction with it because he said it didnt look right. I ended up setting it my self and went to another shop. Final Caster was 3.9 and 4.0 but it took me 4 alignment shops, one was not using digital but the old school alignment.
    Even with the Spidertrax spacers the uppers still looked to close at full lock with the 285's and I had what I thought was some full turn rub with the LR uca's, Turns out the 16'' TRD wheels dont like stick on weights because of a clearance issue with the caliper. Went back down to Nitto's 265/75 and dealer suggested using nail on weights. Not sure yet because jus did it yesterday. Point being, tons of issues lifting and adjusting even with the LR uppers.
     
  17. Dec 17, 2013 at 11:34 AM
    #237
    brutalguyracing

    brutalguyracing BIG DADDY

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  18. Dec 17, 2013 at 3:41 PM
    #238
    AWF ROWD

    AWF ROWD ...eats at the " Y " often....

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    Just bought a set from HeadStrong for $335 out the door, and they have the groove at one end....doesn't mention either way in the instructions...:notsure:
     
  19. Dec 18, 2013 at 8:02 AM
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    Drunknsloth

    Drunknsloth Indffrnce will be the fall of manknd but who cares

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    Yep, I called them and asked, they don't matter what direction you put them in, the groove is just for the manufacturer to make sure you go the right one.
     
  20. Dec 18, 2013 at 8:06 AM
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    Onurnez

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    Go Here: My buddy's shop. He has done all of my work.

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