How much are these rear disc brake kits increasing track width?

Discussion in 'Suspension, Steering, Brake & Wheel Topics' started by 1971CamaroGuy, Feb 21, 2018.

  1. 71RS/SS396

    71RS/SS396 Veteran Member

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    20
    Aug 26, 2008
    Wake Forest NC
    The reason wheels are mentioned is some of the big brake calipers can interfere with the spoke of the wheel so the mounting pad of the wheel needs to be thicker to clear the caliper. C6 Z06 calipers are one example that are difficult to fit wheels to.
     
  2. 8pack

    8pack Veteran Member Lifetime Gold Member

    2,299
    63
    Aug 29, 2007
    Pittsburgh, PA
    Thanks! Sorry for hijacking the thread. Looks like I might need to consider a different rear brake set up if I want those wheels and 275/40/18 tires to fit....there is no simple answer on this stuff!
     
  3. badazz81z28

    badazz81z28 Veteran Member

    14,557
    149
    May 4, 2001
    Las Vegas, NV
    You can get those tires to fit. Don’t get a wide rim with 5.5” BS. Get a 18x9 with 5” BS. I ran a 275 tire on a 17x9. Changing your brake set up won’t fix the e-brake cable issue, narrowing the rearend will.
     
  4. Lou6t4gto

    Lou6t4gto Veteran Member

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    10
    Aug 18, 2010
    Ocala, Fla
    I installed a kit 6 months ago, did NOT move the rear wheels out more than 3/16"
     

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