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Thread: General Tyre Grabber AT2 255/55/18 109H or Nitto Terragrapler 255/55/18 109S

  1. #1
    Join Date
    Aug 2009
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    Brisbane, Sunshine Coast, Gladstone, QLD
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    General Tyre Grabber AT2 255/55/18 109H or Nitto Terragrapler 255/55/18 109S

    I have just purchased a 2002 Discovery ES with the 18" rims and 255/55/18 tyres. I am looking at upgrading to a more agressive tyre in either a 255/55/18 or 255/65/16 or similar as in QLD I can not change the tyre size by more than +15mm.

    Any opinions on the General Tyre Grabber AT2 255/55/18 109H and Nitto Terragrapler 255/55/18 109S would be appreciated.

    Pictures attached.

    CJTDisco_001.jpg

    GRABBERAT2 255-55-18 109H.jpg

    TERRAGRAPPLER 255-55-19 109S.jpg

  2. #2
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    Got 255/55/R18 AT2's on mine, awesome so far in every situation except really deep mud, but they are only AT's, so thats expected.

    Know 2 people who have 40,000 miles out of a set with on and off road use.

  3. #3
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    Stroud, Glos, UK
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    Hello

    I bought one of the first sets of 18 inch AT2's for my D2 and covered 38,000 with them. I could'nt fault them, as UP says they're brilliant in everything but deep mud, possibly due to the width..

    The only thing I would say is that they get harder as they wear out (like overpriced BFG'S DO). I changed them because they were 5 years old and were starting to get loads of small surface cracks in the base of the treads.

    So what did I replace my 255/55 x18 AT2's with?

    255/60x16 AT2'S.. They look superb!!!

  4. #4
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    How did you go with the low sidewalls on the 18" rims, a lot of the driving offroad that I was looking at doing is beach etc.

    How did you go airing down or did not worry about given the relatively large width these tyres already have?

    I also looking at a set of Simex Extreme Trekker 2 in a 29x7.5x16 as an offraod mud and play tyre however there load rating is too low, are there any others with a load rating high enough for a disco 2?

    Regards,

    CJT

  5. #5
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    Jul 2009
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    Stroud, Glos, UK
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    Over here 'they' recommend that you run ATs at around 34 psi on the front and 36 on the rear. Even at these pressures the sidewalls are bulging slightly so I have never let them down.

    If I am going on a blast up the Motorway I will increase the rears to around 40 ish. When the tyres were taken off they were worn flat across and still had around 5mm left.

    We have a beach about an hour from us we visit regularly and at road pressures they still ride nicely on top of the sand.

    I believe someone who posted earlier may have had sidewall issues while off roading though..

    I was conscious of the low profile though, which is why I went for a taller one this time...

  6. #6
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    Thanks for the info, I noticed the sidewalls bulge a fair bit. I just did my 600km run up north for work and run them at 300kpa/34psi which seemed good on the smooth stuff but a bit rough when the road got worse.

    I was looking in the Land Rover manual that came with the car and the recommended pressures listed are for all tyres whether they are a 16" or 18".

    Tyre pressure:

    No load Front: 190kpa/28psi
    Rear: 260kpa/38psi

    Full load Front: 190kpa/28psi
    Rear: 320kpa/46psi

    The rears seem ok at these pressures but the fronts seem a bit low, I know the tyres are rated to 50psi max.

    I will put the pressures back down to what the manual recommends and see how that goes.

    Thanks again.

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