Disco 2 Tyre size





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  1. #1
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    Default Disco 2 Tyre size

    Hi All
    Some advice regarding tyre size. I need to replace the tyres on my Disco 2. The 'standard' is 235/70/16, but apparently they are significantly more expensive than the 245/70/16's. Two fitment centres have recommended the 245's, but I would like to know if there would be problems related to the clearance, turning etc. The vehicle has been fitted with a Old Man Emu suspension. Does this enhance the possibilty of replacing with a larger tyre?
    I do not want to 'cut' the body work.
    99% of the use of the vehicle is for the 'normal' road use.
    Regards
    Jack

  2. #2
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    I am using 245/75's with mud terrains and standard suspension with absolutely no issues. The high profile of the 245/75 gives a nice improvement in ground clearance, but once you go bigger, it will start to affect the gearing.
    camelman
    '04 Discovery II Td5 GS (using 2SO)
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  3. #3
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    Agree, go for 245/75's.

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    Yip I went with 245/70's without any hastles on standard suspension, but like said above for improved ride height 245/75's is the answere.

    BTW - does the 245/75's affect the gearing at all ?

    2004 DISCO TD5 GS Auto
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    What sort of height improvement would 245/75 give you over 245/70 ?

  6. #6
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    245/75 height is 75% of 245.
    245/70 height is 70% of 245.

    +- 12mm
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  7. #7
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    Quote Originally Posted by Hylton View Post
    What sort of height improvement would 245/75 give you over 245/70 ?
    12mm

    Easy to calculate, 245mm x 75% = 183mm That is height of tyre.
    245mm 70% = 171mm. Difference is 12mm

    BTW RandyTd5, it will affect your gearing, but on the Td5 with lots of torque it is not that much noticeable. I felt it much more on my D1 V8, which had the same tyres.
    camelman
    '04 Discovery II Td5 GS (using 2SO)
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    Thanks for the replies. I have the V8, so would the 245 / 70's be a better option?
    Jack

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    IMHO 245/75 will be OK. You can also consider 265/70, which is the same height as a 245/75, but a wider tyre means more resistance.
    camelman
    '04 Discovery II Td5 GS (using 2SO)
    '95 Discovery I V8i Auto (Now sadly sold, with fond memories)
    Yesterday is history, tomorrow is mystery, today is a gift, that's why its called "present".

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    You can also consider taking a drive with a GPS. Check the speedo error and increase diameter by the same percentage, then your speedo will be accurate.

    I have used:
    255/65 16: -7% error (standard size)
    240/70 16 -4% error
    31x10.5 16 +0.5% error

    with OME suspension you will be fine going quite big (bigger than what I have) but I wouldn't go bigger for 2 reasons: Your speedo will underread so it's a pain to have to calculate speed to avoid fines, and you will notice a drop in torque from the big tyres.
    Rob
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  11. #11
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    I wouls also recomend 245/75 before the 265/70.
    245/75 more available, even in mud terains. Maxxis MT-764 to name one

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    265/75-16 is overkill
    had it and was disappointed in overall effect on performance, roadholding etc.
    the 245/70-16 is a nice size and freely available.

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    Quote Originally Posted by Landyluvver View Post
    265/75-16 is overkill
    had it and was disappointed in overall effect on performance, roadholding etc.
    the 245/70-16 is a nice size and freely available.
    Just fitted the 265's, for most usage the 245/70's are the best compromise.
    245/70*16 BF AT's was what I had.
    Still have to feel how the 265's does on open road.(and off road)

    I was told the new MT-764 is a bit softer than the old 762.
    Last edited by RudolfD2; 2011/09/02 at 10:18 PM.

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  14. #14
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    Bought my Disco 1 a week ago with 285x75x16 muds, I did not like the look and the car had no power. I had to gear down to 4th on the smallest of inclines and on steep inclines in town I had to use 1st gear!

    When I bough the car I said I disliked the huge mud tires so we agreed the PO would swap them for a set of 265x75x16 A/T that he had, we did the swap today and I could feel the difference in performance right away.

    I'm seriously considering going to 245x70x16 or at least 245x75x16 soon.
    Johan vd Walt
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  15. #15
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    265/75/16s are the limit before re gearing.
    D2 V8. Pro Comp MX6 Shocks with Mikem Custom Progressive Coils. Wildcat Headers. 265/75/16 Hankook RT03's. FLI Audio. Kaiser Locker.

  16. #16
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    I have 245 70 16 on both my Disco's, and am very happy. IMHO they are cheaper too, the Good Year AT/SA i got for R1200-00 a piece
    2006 VW Touareg 4.2 V8 Auto
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  17. #17
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    I am contemplating going back to 265/70/16s
    D2 V8. Pro Comp MX6 Shocks with Mikem Custom Progressive Coils. Wildcat Headers. 265/75/16 Hankook RT03's. FLI Audio. Kaiser Locker.

  18. #18
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    I have 255/85/16 Maxxis Bighorns in my Disco 1 300Tdi, with a 'camel cut' and have had no problems with the power at all. the increased axle clearence is a huge bonus offroad ....

    and as an added extra bonus it just plain looks great !
    Last edited by Simon White; 2011/09/16 at 07:31 AM.

  19. #19
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    Nice thread, I was looking at the Bridgestone or Firestone AT245/70/16 any comments on which would be better, not much price difference less than R100 buck a tire.

  20. #20
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    Quote Originally Posted by TwinDisco View Post
    I have 245 70 16 on both my Disco's, and am very happy. IMHO they are cheaper too, the Good Year AT/SA i got for R1200-00 a piece
    I have the same on my D1. Awesome tyre which wears well and has great manners on and off road. Paid the same at Hi-Q in Montana. Seen some D2's with them on so it can't be a bad choice. Had 255/60R16 Kuhmo's on way back and they were terrible when it came to fuel consumption.
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