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?s with fitting 305/60/18

Discussion in '2nd Gen. Tacomas (2005-2015)' started by froggy256, Dec 26, 2010.

  1. Dec 26, 2010 at 7:53 PM
    #1
    froggy256

    froggy256 [OP] Member

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    im going crazy trying to figure this out on my own. i have a 2007 prerunner dc longbed. i just put a 3" leveling kit(3 in front 2 in the rear) i just got my 18x9 ultra goliath wheels in the mail today. now i am just stuck between getting the mickey thompson 305/60 or the 275/70. i really want the 305 but i have not been able to find many pictures with these tires. can i fit these tires without cutting into the frame. PLEASE HELP!! THANKS:D
     
  2. Dec 26, 2010 at 7:56 PM
    #2
    krimson

    krimson Nothin

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    Did you ever consider 285s?
     
  3. Dec 26, 2010 at 8:02 PM
    #3
    RZRob

    RZRob Well-Known Member

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    I think 305s are just asking for fitment issues.

    RZ Rob
     
  4. Dec 26, 2010 at 8:20 PM
    #4
    froggy256

    froggy256 [OP] Member

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    i am stuck on the mickey thompson and the only options i have is the 305 or the 275.(because of my 18" wheels) i just like the wide look.
     
  5. Dec 26, 2010 at 8:23 PM
    #5
    ktmrider

    ktmrider Senior Member

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    the 305s will rub like a bitch cause my 285s rub like a bitch before cutting. Also with the 305s most likely you will need to cut and plate the body mounts. IMO go with 285s and keep your caster over 2.6 to avoid the cab mounts
     
  6. Dec 26, 2010 at 8:27 PM
    #6
    froggy256

    froggy256 [OP] Member

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    "cut and plate the body mounts. IMO go with 285s and keep your caster over 2.6 to avoid the cab mounts"

    sorry bro im new to this what is the body mounts and what is my caster
     
  7. Dec 26, 2010 at 8:41 PM
    #7
    ETaco23

    ETaco23 Marshall offroad Fabrication

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    im ganna try and run a 295/70/17, which is a 33x12 AT tire
    and hope to not run into the cab mount...
     
  8. Dec 26, 2010 at 9:07 PM
    #8
    achirdo

    achirdo I Weld!

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    The castor is part of your alignment
     
  9. Dec 26, 2010 at 9:10 PM
    #9
    Jason'sLawnCare

    Jason'sLawnCare Prepared for Bambi

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    To my understanding it's the lower the caster the less rubbing at least on the back of the fender. If it's angled more then the tire will go farther back when the suspension is compressed.
     
  10. Dec 26, 2010 at 9:17 PM
    #10
    ktmrider

    ktmrider Senior Member

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    thats what I thought, but my original alignment without aftermarket UCAs the caster was 4.1 and 4.2 on each side. After my TC UCAs my second alignment was 2.2 on the drivers side and 2.6 on the passagner. I could not make a 90 degree left hand turn or a u turn without completely stopping my tire from moving. After i had my cab mounts chopped i got another alignment and 2.9s on each side and havent had any problems with rubbing anything.
     
  11. Dec 26, 2010 at 9:18 PM
    #11
    ktmrider

    ktmrider Senior Member

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    to the rear of your fenderwell is the body cab mount, they hit tires larger than stock when the caster is too low on your alignment. the caster is part of the alignment.
     
  12. Dec 26, 2010 at 9:28 PM
    #12
    Jason'sLawnCare

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    :confused: I don't know then. I'm scratching my head at this. There's probably something we are missing.
     
  13. Dec 26, 2010 at 9:31 PM
    #13
    ktmrider

    ktmrider Senior Member

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    sorry i meant left hand turn if that clears things up
     
  14. Dec 26, 2010 at 9:34 PM
    #14
    Jason'sLawnCare

    Jason'sLawnCare Prepared for Bambi

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    I figured with the u turn but that further supports your point with the lower caster more rub. I don't know what it could be.
     
  15. Dec 26, 2010 at 9:40 PM
    #15
    ktmrider

    ktmrider Senior Member

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    http://autorepair.about.com/od/glossary/ss/df_alignment_2.htm

    I think this kind of clears it up

    but the tilt they are talking about is in relation to the spindle so if it is backwards tilt the tire would actually be forward and + caster number.
     
  16. Dec 26, 2010 at 9:51 PM
    #16
    ETaco23

    ETaco23 Marshall offroad Fabrication

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    so when I go to get my allignment done tomarrow I should tell them to get my caster above 2.8? will this make the tire further away from my body mount?
     
  17. Dec 26, 2010 at 9:59 PM
    #17
    ktmrider

    ktmrider Senior Member

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    tell them this


    Toe: 0* (if not precisley 0*, it should have + toe out but not to exceed .05*)
    Camber: 0*
    Caster: between 2.3* and 3.1**


    caster i would go 2.9 cause thats what i did and havent had any problems
     
  18. Dec 26, 2010 at 11:30 PM
    #18
    ETaco23

    ETaco23 Marshall offroad Fabrication

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    k. thanks!
     
  19. Dec 26, 2010 at 11:33 PM
    #19
    solus

    solus HOME!!!

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    interesting size... I have 305/65/17 but then again I have 4.5" of lift
     
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