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Lift kit wind resistance/drive-ability?

Discussion in 'Suspension' started by 64dynamic, Oct 9, 2011.

  1. Oct 9, 2011 at 6:18 AM
    #1
    64dynamic

    64dynamic [OP] Member

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    Ben
    Minneapolis
    Vehicle:
    06 Tacoma SR5 DBL Cab Long box
    2 1/2" AutoSpring front/back lift
    Yesterday I installed a 2 1/2" front spacer lift and 1 1/2" rear block lift on my 2006 Double cab. Had it aligned. It drives straight, but I feel like I'm being blown around on the freeway on a calm day! Is this a side effect of the lift kit?
    I want to level out my truck and add 265/75 BFG AT tires, but really don't want to lose drive-ability. Any suggestions?
    Would the Bilstein 5100 in the front only still have problems bucking the wind?

    Thank you!!
    Ben
     
  2. Oct 9, 2011 at 6:22 AM
    #2
    ajohnson

    ajohnson Glamour Shot

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    Andy
    Charlotte, NC
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    Sounds to me like its not driving straight. You need more caster to keep it from wandering on the highway. New UCA's will fix it.
     
  3. Oct 9, 2011 at 6:32 AM
    #3
    64dynamic

    64dynamic [OP] Member

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    2 1/2" AutoSpring front/back lift
    Caster is set at -.01 and .03. I can hear more wind in the cab too. Maybe a slight vibration in the gas and brake pedal. I bought the lifetime alignment.
     
  4. Oct 9, 2011 at 6:43 AM
    #4
    ajohnson

    ajohnson Glamour Shot

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    You caster is 0.01 and 0.03? Yeah, thats your problem. you need atleast 2 degrees caster to get rid of the wandering. You need to take it to another alignment shop and see how much caster they can give you, or upgrade to new UCA's.

    The more caster you have the more bump steer you induce, so you won't want too much caster.

    I have 3" of lift in the front with Light Racing UCA's. My alignment is 0 camber, 0 toe, and 2.5 caster and it drives awesome on the highway with a little bit of bump steer on bumpy streets.

    Edit: just saw you got lifetime alignments. Take it back and see if they can improve the caster without losing too much camber
     
  5. Oct 9, 2011 at 6:44 AM
    #5
    NetMonkey

    NetMonkey Well-Known Member

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    Toytec Ultimate Lift @ 3", Mickey Thompson MTZ's 285/75/16, Moto Metal 955b, rear 2" ALL, Marlin Crawler sliders
    eek! ya, you need way more caster. at least above 2.0. new UCA will get you that.
     
  6. Oct 9, 2011 at 6:51 AM
    #6
    64dynamic

    64dynamic [OP] Member

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    2 1/2" AutoSpring front/back lift
    I'll head over there right now :)
    Thanks!!
     
  7. Oct 9, 2011 at 7:40 AM
    #7
    64dynamic

    64dynamic [OP] Member

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    2 1/2" AutoSpring front/back lift
    I set an appt for noon today. Do you think I will even come close to the right specs without new UCA's?

    I may end up taking the whole kit out and going to a more modest lift if this is going to be a big problem.
     
  8. Oct 9, 2011 at 8:04 AM
    #8
    ajohnson

    ajohnson Glamour Shot

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    If you don't want to fork out coin for UCA's and you want the truck to drive perfect, then go with a smaller lift.
     
  9. Oct 9, 2011 at 9:01 AM
    #9
    64dynamic

    64dynamic [OP] Member

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    2 1/2" AutoSpring front/back lift
    Ha now I'm upset that the lift kit manufacturer didn't specify I need more parts to align it correctly...I thought I was already going with a more modest option since most people seem to have the 3" lift.
     
  10. Oct 9, 2011 at 9:19 AM
    #10
    4Wheelin4Banger

    4Wheelin4Banger Longtime Toyman

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    Randy
    Ferntucky, NV Halfway between Reno & Falabama
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    2011 4x4 Access Cab Silver State Edition
    3" OME lift 885s & Dakars riding on 33" KM2s Click the sig pic to see the build thread .
    Full 3" lift front & rear with stock UCAs. Drives great.
    [​IMG]
     
  11. Oct 9, 2011 at 9:40 AM
    #11
    ajohnson

    ajohnson Glamour Shot

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    Don't get discouraged yet. See what your alignment shop can do first.
     
  12. Oct 9, 2011 at 12:37 PM
    #12
    64dynamic

    64dynamic [OP] Member

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    Ben
    Minneapolis
    Vehicle:
    06 Tacoma SR5 DBL Cab Long box
    2 1/2" AutoSpring front/back lift
    Just got back from the shop. They can't get it into the right specs. Current front specs are:
    Left Camber 1.1 Caster 1.4 Toe .04
    Right Camber .9 Caster 1.1 Toe .04

    Plus the steering wheel is off now.
    I think I'm going to ditch this lift spacer kit. I also realized I have driveline vibration from 30 to 40 mph. I can hear the wind howling against me. And it feels like the drivetrain is laboring more to move the truck. It revs up and kicks to a lower gear much more often. I'm going to dislike my truck.

    Probably going to order the Bilstein 5100 front shocks tomorrow and use the .85 or 1.75 setting. I've heard good reviews.

    Thanks
    Ben
     
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