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Thread: 275/70/18 Cooper S/T Maxx ???

  1. #1
    Mats Guest

    Talking 275/70/18 Cooper S/T Maxx ???

    Hi everybody!

    This is my first post on this forum.*

    I am trying to find out if anyone has succesfully put on tires in the size 275/70/18 on their Discovery3?*I know it's a big tire but that is the only size available in 18", of the new Cooper Discoverer S/T Maxx!!!

    What mods are we looking at, to make this tire fit?

    Thank you all and what a great forum this is!

    (I really do live in Sweden, long way from you, but I still find your forum full of usefull information and tips).

  2. #2
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    Welcome Mats,
    Definitely modifications required!
    Standard tyre is 766mm OA approx.
    275 / 70 R18 is 842 OA!

    DISCO3.CO.UK - View topic - 33" mud tires video! Have to see it

    DISCO3.CO.UK - View topic - Oh. oh.. 33" x 12.50 Nitto Mud Grapplers

    DISCO3.CO.UK - View topic - Extreme pics (24hr event).. check out the 55 degrees!

    That might wet your appetite!

    Is the D3 going to be road legal?

  3. #3
    Mats Guest
    Great videos and reading

    It is to be used both on and off road, more or less road legal...

    I belive that 33" is no more than max 838 OD?! and most often only 32,4".

    The 275/70/18 is something like 33,15" - even more than "Roveribis" 33"!!!

    Pretty hard job I belive...

  4. #4
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    I have recently needed to replace my 18" Pirelli Scorpions and had my heart set on the new Coopers ST Maxx (after reading the fine reviews). The guys at Goodyear Auto Centre Canberra had recently fitted a set to a D3 Owner who subsequently turned up a week later with guards and wiring torn out. He responsibly refused to sell me a set!

    After more research I settled on a set of General Grabbers AT2's 255/60R18 (Which was my second choice after the ST Maxx's). Ordered a set only to be called 3 days later saying the AT2's have been replaced with the new GG AT's (which are really AT3's but their marketing dept has reverted back to the AT name). A completely different tyre.......

    So....After some more research it appears the new GG AT's are an improvement in every aspect of the GG AT2's......So I bought them.

    It seems General Tire has seen a market for a good AT tyre in the large diameters and have an excellent range in 18, 19 & 20" variants in standard and LT.

    Had them for 3 weeks now and extremely happy. They have the aggressive look I was after, but are as quiet as the Scorpions (tested with a phone decibel tool before and after), Fantastic wet performance....struggled to get the tyre to lock up on a greasy road and I took them bush on gravel roads and a few steep climbs over the weekend.....amazing; the traction control only kicked in once in one place where the old tyres were constantly relying on the cars technology before; and I had to check myself several times as I was feeling over confident driving on the gravel...it felt like I was still on the black top!

    Overall, I'd be recommending these to anyone who wants to listen. I didn't get the LT version as they are still to be released but could not wait as the old tyres were past there safe level. For $300 per corner an excellent choice and a big saving on the Coopers LTZ's I was quoted as an alternative.

  5. #5
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    Quote Originally Posted by Colin Pedersen View Post
    I have recently needed to replace my 18" Pirelli Scorpions
    Hi Colin,
    Was there a reason why you didn't go for the Scorpians again??
    Cheers, Craig

  6. #6
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    Post

    Hi Craig,

    The Scorpions have been great and after reading the recent 4WD Action review (They came first) I considered getting another set.....I got over 60K out of the set but they were just to..... dull....I was stuck in a paddock a while ago up to my belly with all 4 wheels spinning. The mate who came and dragged me out looked at the tyres and said I needed real mans tyres....with chunky bits around the edges, deep tread and stuff

    I really wanted something different because I could.....I'd still get stuck in the same paddock with the new GG AT's but they do look more offroad and more all terrain.....and I do use my vehicle regularly off the black top.

    So it simply because I wanted a change.

    Col.

  7. #7
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    Swapping Pirellis

    Hi Col,
    I thought a change may have been the case.
    I have done 45K on my 19" Pirellis so far and have been very happy with them.......mind you, I have a second set of rims with MTR tyres for off road.
    When the Pirellis wear out, I'll probably opt for a set of 18" rims through Gordon (GOE) and go for a more aggresive road tyre.
    Cheers, Craig.

  8. #8
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    Why not fit the GG AT's in 19's?
    I had these just fitted, see this thread as we are getting off topic here!

    http://www.aulro.com/afvb/showthread...50#post1571850

  9. #9
    Mats Guest
    Seems that 275/70R18 are to big (OD)...

    What options do we have, for some other great AT/MT tires, in the size of 285/65R18, 275/65R18, 265/70R18 - something like 32,5"?

    Never ending story...on those tires...

    Mats

  10. #10
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    Quote Originally Posted by Mats View Post
    Seems that 275/70R18 are to big (OD)...

    What options do we have, for some other great AT/MT tires, in the size of 285/65R18, 275/65R18, 265/70R18 - something like 32,5"?

    Never ending story...on those tires...

    Mats
    On a D3 ..........

    265/70R18: won't fit without extreme modification

    285/65R18 (won't fit without a _lot_ of work): Interco SS-M16, Nitto TrailGrappler, BFG AT, Hankook AT

    275/65R18 (won't fit without a bit of work): Maxxis Bighorn, Hankook MT, Dunlop Rover MTTMAX, Goodyear MTR Kevlar, Cooper STT

    285/60R18: Cooper Zeon LTZ, Nitto AT, Procomp AT, Falken AT, Dunlop Grandtrek AT3


    Cheers,

    Gordon

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