What tyre pressure - Fortuner 265/65/17





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  1. #1
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    Default What tyre pressure - Fortuner 265/65/17

    Hi,

    I changed my 16" Fortuner wheels to the newer 17".

    Please advise how much pressure I should be filling.

    They have the Brigestone Duellers on
    Its not about how fast you are but about how quick you get there...


  2. #2
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    Default Re: What tyre pressure - Fortuner 265/65/17

    Quote Originally Posted by Die$eL View Post
    Hi,

    I changed my 16" Fortuner wheels to the newer 17".

    Please advise how much pressure I should be filling.

    They have the Brigestone Duellers on
    265/65s?
    2.2Bar

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    Default Re: What tyre pressure - Fortuner 265/65/17

    Bridgestone recommends 2.4 for the Duelers.
    If you live each day as if it was your last, someday you'll most certainly be right. SJ

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    Default Re: What tyre pressure - Fortuner 265/65/17

    Quote Originally Posted by Damdan View Post
    Bridgestone recommends 2.4 for the Duelers.
    Bridgestone referred me back to toyota on the fortuner - duelers.
    2.1 all around.

    I have often taken it up to 2.4/2.5, only to deflate bit by bit and end back at 2.1.

    I ended up getting 80,000km out of them.
    Last edited by JacoE; 2017/01/25 at 02:23 PM.
    2011 Fortuner 3.0 D-4D 4x4
    2008 Lexus IS250 V6
    Jaco



  5. #5
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    Default Re: What tyre pressure - Fortuner 265/65/17

    i've been running it at 2.1
    was just wondering whether i'm completely off the mark

    thanks all
    Its not about how fast you are but about how quick you get there...


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    Default Re: What tyre pressure - Fortuner 265/65/17

    My old man runs 2.1 on his Fortuner with the original tyres, he has just changed them last week and the wear wasn't bad at all.
    I had 3 new Dueller's replaced by the factory (they were oval) here in Durban and the guys there said 2.2 is what they use and recommend.

  7. #7
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    Default Re: What tyre pressure - Fortuner 265/65/17

    Needed tirepressure is all about to give the tire a deflection that wont give to much heatproduction , so no part of rubber of tire wont go over a sertain temp that it hardens, and crackes in next deflections.

    Googled your given sise and came to Standard load Loadindex 110 S
    This means max speed for the tire 180km/h.
    But the maximum load of 1060kg/2340lbs is calculated for 160km/99m/h AT 2.5bar/36psi pressure. for 180km/h AT 2.6 bar/??psi.
    But you can go from max 160km/99m/h I think in your use.
    If I calculate back with the officially used formula 2.1 bar, the loadcapacity up to 99m/h = 922 kg/2035 lbs.
    So this would be the advice calculated for an axleload of 1844kg/4070lbs, to the calculation of most car makers for normal driving =4 persons and load up to 160km/99m/h.

    Does your car weigh that much on the seperate axles, probably not?
    For that search for the GAWR/MTA (Gross axle weight ratings, Maximum total axle) front and back ,mostly on a metalisch plate or sticker somewhere on the car, under the motorhood,or one of the doorstyles in Europe . USA system and probably where you live , it is written on the same plate as the pressure-advices.

    Also check if I got the tire-data right , you can find them on the sidewall.

    Nowadays often higher advice is given then what you should calculate,for reasons of responcibility.
    so that even if one goes over GAWR's ( not allowed by law, but often the case when fully loaded on rear axle) and with R/L unbalance, inacuracy of measurement devices, it still wont give tire-damage.
    And these are good arguments, always keep in mind the inacuracy and things not being what is allowed.

    The more acurate you know weigts ,best on seperate tires, by weighing the car loaded as you drive ( so with all persons and load and quiny pigg,bird dog cat), second best is axle weighing, the more you can play with the pressure to be save.
    But always keep in mind that pressure-devices are never 100% acurate, so determine the pressure with maximum reserve, that still gives acceptable comfort and gripp.

    The more acurate data you give , the best I can calculate an advice pressure for you.
    And because car-makers give advice that high , not based on calculation anymore, they probably give same advice for the 16 and 17 inch tire thoug Maximum load is probably a bit different.

    Greatings from a Dutch Pigheaded Selfdeclared tyrepressure-specialist
    Peter

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