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Is anybody running 315/30/20 or 325/30/20 in the rear?

Discussion in 'Wheels & Tires' started by 10SpeedDemon, Oct 30, 2019.

  1. 10SpeedDemon

    10SpeedDemon Well-Known Member

    First Name:
    Dre
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    2018 Mustang GT A10
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    So after doing some research on the new 2020 GT500 tire size and I like how it set up far as the side wall. I found out that it runs a 315/30/20 in the rear and I’m thinking about going From a 315/35/20 to 315/30/20 in the rear when I change wheels. I have some questions


    I just wanted to know what’s the cons with dropping down with a shorter side wall

    I currently I have a 20x10.5 with a 45 offset with 2.7 degrees of camber but I want to know what offset should I look for on my next wheel set up. I’m trying to get use less camber
     
  2. Guid.oh

    Guid.oh Active Member

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    If you haven’t already changed your wheels by now, a shorter sidewall will run a bit rougher, but the biggest selling point for me when it comes to having more sidewall (it’s really just having a larger aspect) is traction. A bigger sidewall is able to flex more and offers better traction because it’s harder to break loose.

    As far as offset and camber, a 45mm offset is already fairly aggressive. I run a 305/35/20 on an 11 inch wheel with a 50mm offset, and if I remember correctly my camber is at -1.6
     
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