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Widest Rim without rubbing

Discussion in 'Wheels and Tires' started by GovTC, Feb 3, 2012.

  1. GovTC
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    GovTC New Member

    Joined:
    Dec 27, 2008
    Location:
    2006/Scion/Tc
    Looking to replace my factory rims with sizes 18. Not a tire expert but looking to gain more traction to reduce my wheel spin. I know I can upgrade the axle and the diff. That is later down line. Know a wider tire will help me out a bit on this problem. Just need to know how wide of a tire I can go without. Rubbing the wheel well.
     
  2. CadenceScion
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    CadenceScion Moderator Staff Member

    Joined:
    Sep 29, 2009
    Location:
    2006 Scion tC
    Here you go:

    [​IMG]

    Another thing that will help w/ reducing wheel spin/hop would be a torque damper and upgrading your engine and transmission mounts w/ Energy Suspension.
     
  3. navylife59
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    navylife59 Super Moderator Staff Member

    Joined:
    Mar 22, 2006
    Location:
    Emory, Texas or Gretna, LA
    Where did you get that handy chart? Is it assumed to be stock ride height? I have 18x8.5" +35mm offset with 225/40/18 inch rubber. My car is lowered just shy of 2". The backs rubbed on the fender lip causing me to have it shaved some. They were rubbing but I caught the problem before it damaged the tire. The fronts are fairly flushed out as well. The top of the tire only rubs the fender well mudguard (plastic) on a hard bounce or bump in a tight turn while pushing it. No damage to the tire. I had planned for a 235/40/18 tire but would have either dialed in more negative camber in the rear, increased ride height, went with a 235/35/18 tire, go with the size that I have now, shaved the fender lip (can't be rolled), or downgrade back to an 8" wide rim.
     
  4. CadenceScion
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    CadenceScion Moderator Staff Member

    Joined:
    Sep 29, 2009
    Location:
    2006 Scion tC
    Hey Scott, where ya been? We've missed you!

    I actually found that chart on another Scion Site, I saved it and figured it would come in handy one day.
     
    1 person likes this.
  5. navylife59
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    navylife59 Super Moderator Staff Member

    Joined:
    Mar 22, 2006
    Location:
    Emory, Texas or Gretna, LA
    I have been back to work for the Navy for my Annual AT orders. Still jacked up in the neck, shoulders, and arms.
    Can you provide a reference to the where the chart was copied from to avoid plagiarism? I wonder if it was measurements from actually fit testing or just calculated fitment based off the OEM tire/wheel combo.
     
  6. CadenceScion
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    CadenceScion Moderator Staff Member

    Joined:
    Sep 29, 2009
    Location:
    2006 Scion tC
    Yes I will find out where I got that chart from and provide a link for you.
     
  7. iforgedtc305
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    iforgedtc305 New Member

    Joined:
    Apr 24, 2012
    i roll on 18x9 +45 and no rubbing, i installed 20mm spacers and rubbed like hell
     
  8. navylife59
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    navylife59 Super Moderator Staff Member

    Joined:
    Mar 22, 2006
    Location:
    Emory, Texas or Gretna, LA
    What size tire? I have 18x8.5 +35mm. I ended up having to run 225/40/18 and shave the rear fender lip when I lowered the car because I did not want to dial in a lot of negative camber for clearance and look fat lipped. I intended on running 235/40/18 or perhaps a 245/40/18 or 245/35/18.
     

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