BF Goodrich size difference




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  1. #1
    Join Date
    Jan 2016
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    Default BF Goodrich size difference

    Hi, I currently got BF Goodrich A/T 30 x 9.5 R15 fitted to my Hilux D4D, what difference would it make in steering/handling/fuel consumption if I were to replace all with BF Goodrich A/T 31 x 10.5 R15? One size bigger!

    Please if any advice would be appreciated

  2. #2
    Join Date
    Nov 2006
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    Stellenbosch
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    Default Re: BF Goodrich size difference

    I went from 245/75 to 31" back to 30", also KO2's.
    The main reason being that I need the extra revs in each gear because the bigger heavier tyres made the vehicle lazy.
    The extra revs are not a lot but it is noticeable.
    Also the wider tyres were on wider offset rims (also heavy) to prevent scraping when turning.
    This was very nice in sand but created a wobble on tar.
    With the bigger tyres the speedo indication was closer to gps speed than with the 30".
    Fuel consumption, I have no idea.
    Conclusion, Ive lost some height which is a real pity but I prefer the 30".
    Last edited by Damdan; 2018/11/29 at 01:08 PM.
    If you live each day as if it was your last, someday you'll most certainly be right. SJ

  3. #3
    Join Date
    Sep 2018
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    Klein Pella
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    Default Re: BF Goodrich size difference

    We have a D4D running on 31 x 10.5 R15 coopers and it runs great. cannot comment on the BF's though.

  4. #4
    Join Date
    Mar 2015
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    Pretoria
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    Default Re: BF Goodrich size difference

    I have the 31 on ko1 still on the v6 and they are very good and last long, I need a new pair but where do you find old ko1? If you were here I would have said we should swap for a month or so and then check, maybe my fuel bill will go down hahaha
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