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5100 alignment question

Discussion in 'Suspension' started by markc6606, Aug 1, 2010.

  1. Aug 1, 2010 at 4:44 AM
    #1
    markc6606

    markc6606 [OP] Well-Known Member

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    hope someone here can guide me. did lots of reading and searching through the threads but i'm having a hard time finding the answer i'm looking for. I installed 5100's all around after getting rear spring tsb done on my 10 trd sport dc. fronts set at 1.75 which after measuring before and after only lifted front about 1 3/8 which is what i wanted cause it leveled out perfect. question is , is it possible to get the ideal numbers that most people on site agree are best alignment numbers without changing anything else? (uca's) after all searching before i installed them i didn't think it would be an issue since it was such a slight lift. numbers before 5100's were 0 toe 0.4 camber 2.0 and 2.2 caster which drove like a dream. (I had the printout from after the tsb) .The best my alignment guy could do after 5100's and i'm pretty sure he's good at alignments cause he's done most of my trucks in the past including my 04 tacoma was 0 toe o,7 camber 1.4 and 1.7 caster. truck drives straight as an arrow even stops straight with hard braking no pull at all, just seems to drift at high speeds and steering seems real touchy and darty in the lane. which from what i've been reading is a caster issue. can better numbers be achieved without uca's with such a small lift? should i let him give it another sho
    ? try someone else? i'd rather not since i already paid him. I asked toyota and they wont align under warranty since they said i modded my suspension,didnt think id get any help from them anyway. Thanks for any info anyone can give. ilove the way the truck rides and handles withe the new shocks just want it a little more drivable at speed. Thanks again
     
  2. Aug 1, 2010 at 4:55 AM
    #2
    Brunes

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    First up-Paragraphs man....They aren't just for high school English papers.

    Second- Toe and Caster are both low...If it still drifts at speed then you need to go back and tell him that and get him to work on it more...and you shouldn't really have to pay any more.
     
  3. Aug 1, 2010 at 6:05 AM
    #3
    markc6606

    markc6606 [OP] Well-Known Member

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    thanks for the grammar help but i failed high school english and that was 25 years ago. What I was asking is, is there enough adjustment to get those numbers on such a small lift without uca's. sorry for the bad grammar its pretty much the best i got
     
  4. Aug 1, 2010 at 9:33 AM
    #4
    Brunes

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    Bad grammar/spelling doesn't bother me much cause my typing sucks too...but big blocks of words are hard to read.

    If'n you are that low- You should be able to get there...and I would want to get as close as possible to the stock specs. If they can't dial that Tow and Caster up any more...than you got what you can if you don't upgrade UCAs I think.
     
  5. Aug 1, 2010 at 9:50 AM
    #5
    markc6606

    markc6606 [OP] Well-Known Member

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    Thanks man. I'll work on the paragraph thing. I was hoping someone else had run into the same type of situation.From everything I've read people say .you don't get into uca issues till your up like 2.5 or 3 inches. Thought my guy just wasn't gettin it
     
  6. Aug 1, 2010 at 2:54 PM
    #6
    sanga700

    sanga700 Well-Known Member

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    Markc . I got same set up as ur,but I set mine at 2.5" front and I add 1"bkock rear and stock UCA . After alignment my caster is 1.98 and I think its good, drive straight,handle well but the steerling wheel has a bit off so I'll bring my truck back the shop Tomm and have them fix alignment .
    The maximum of the adjust carter is 2.72 . If you have smallest # of the caster your steerling wheel is very light when you're on high speed which is not safe IMO.
     
  7. Aug 1, 2010 at 3:19 PM
    #7
    markc6606

    markc6606 [OP] Well-Known Member

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    Thanks Sanga. yeah steering is real light especially lane changes seems to wander and drift always correcting.The higher the speed the worse it is.again my guy said he was out of adjustment on caster at 1.4 so It's good to know you got 1.98 on caster. What kind of camber numbers did you come up with?
     
  8. Aug 4, 2010 at 6:17 PM
    #8
    silverback

    silverback Well-Known Member

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    mark, I am about to do the same setting on my truck 1.75. I have seen and was told several times by members and a few moderators that the settings you want your truck aligned to for this 1.75 of lift is. O camber O toe and 2.4 caster.

    They will tell you that your truck wont ride right but from what I hear they are going off the stock computer settings not taking in the 1.75 inches of extra height. Tell them to align it to these specs and they might have you sign off on it for suing purposes so on. Do some searching on the suspension forum and see if you can find the thread.
     
  9. Aug 4, 2010 at 6:21 PM
    #9
    Brunes

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    IIRC 0*,0*,2.4*-3.1* is the stock inside the stock/factory recommended ranges.

    And some shops will not take requests for certain specs to dial in on...They will get it "right" and then go from there.
     
  10. Aug 5, 2010 at 4:10 PM
    #10
    markc6606

    markc6606 [OP] Well-Known Member

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    I also have found many posts on the numbers you want to shoot for. My question is, are they possible set at 1.75 withno other work done(uca;s)
    My shop told me they were out of adjustment at .7 camber 1.4 caster. Which didn't seem right. There are a lot of members with just the 5100's on their trucks.
    Can they get closer with other suspension parts stock?
     
  11. Aug 6, 2010 at 11:32 AM
    #11
    sanga700

    sanga700 Well-Known Member

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    Mark . I got 2.5" lift on all 4 corners 5100's, stock UCA . Run great , no problem at all .
     
  12. Aug 6, 2010 at 2:30 PM
    #12
    Digiratus

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    According to the experienced tech at the shop I go to, our trucks were designed to have a little bit of rake in their stance. Meaning, to be able to get good caster numbers with the stock UCAs the back has to be slightly higher than the front.

    How much did you raise the rear when you raised the front 1.38"?
     
  13. Aug 7, 2010 at 5:30 AM
    #13
    markc6606

    markc6606 [OP] Well-Known Member

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    rear came up about 1 or 1.5 inches when the rear spring tsb was done. Truck sits pretty much dead level now, which i kinda like. Hope he can find a little more adjustment in it
     
  14. Aug 8, 2010 at 9:45 PM
    #14
    sanga700

    sanga700 Well-Known Member

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    Mark . I got caster 2.10 , camber 1.04 and toe 002 . My truck drove straight w/o pull either left or right .Did you fix your aligment yet ?
     
  15. Aug 9, 2010 at 2:47 AM
    #15
    markc6606

    markc6606 [OP] Well-Known Member

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    Not yet sanga. Gonna try and get it there wednesday after work. Fingers crossed.
     
  16. Aug 31, 2010 at 9:40 AM
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    Biff

    Biff What could go wrong?

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    I think my question fits in here and i read the above and mine sounds similar. I have billies set at 1.75 for the front and the 4 leaf pack in the back. My wheels are 285/60/18. My truck sits pretty much perfectly level. I don't have the numbers from the alignment shop.

    It drives straight as an arrow on the highway and i don't feel any drift at all. Where i am feeling it is around town on streets that are slightly rutted. Any of these asphalt streets that i drive on with the ruts i can feel the truck pulling with the slope of the ruts.

    I have no ideas other that going to ask a alignment shop what that is. I figured i would ask you guys so i can arm myself with some knowledge before i go. I was thinking that it might just be because my tire are big but i figured they aren't that big.

    I will wright down the fact that the original specs are for a truck with the factory rake.

    Any info for what i am feeling with the steering is appreciated.
     
  17. Aug 31, 2010 at 10:09 AM
    #17
    4WD

    4WD cRaZy oLdmAn

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    I'm sorry, but I cannot address your issue until your sentence structure falls into the parameters of grammatical acceptability......:D:D j/k

    Thats all I got bro'....:D
     
  18. Aug 31, 2010 at 11:58 AM
    #18
    Biff

    Biff What could go wrong?

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    Holy shit, for a truck site the Grammar Police sure are out in full force. I guess i had better brush up on my Shakespeare and other works by literary greats to be taken seriously on this site.


    ......oh wait, i didn't realize that i was being criticized by someone who was using smileys, in that case i had better start watching Hanna Montana.

    Thanks bro'..... :)
     
  19. Sep 10, 2010 at 6:14 PM
    #19
    David10MGM

    David10MGM Active Member

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    Got mine aligned for the second time today. The best numbers I could get were .7 camber, 1.5 caster, and .05 toe. He said that the only way he could adjust my caster higher was to make my camber higher as well. Mine is lifted with spindles and 5100's set at 1.75. Was wanting my caster higher due to the wandering issue as well. I will probably end up getting some Light Racing UCA's pretty soon so I can get the ideal 0,0,2.4 specs.
     
  20. Sep 19, 2010 at 2:41 PM
    #20
    markc6606

    markc6606 [OP] Well-Known Member

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    Just an update, I talked to the head service guy in my region. Wasn't much they could do bout eccentric being out of adjustment, but he did help me out.
    He recommended a stiffer tire like an E tire which I didnt want for weight or ride issues. the dealer hooked me up by buying back my shitty dueler HT s with 6000 miles on them for 80.00 bucks a piece.
    I ended up gettin a set of slightly larger set of hankook ATm s 265 70 17 and aired them up to 38 psi. It helped big time with highway wandering. rides and handles a lot better around town too.
     
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