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17's vs 18's
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catweasel
 


Member Since: 05 May 2006
Location: Bundaleer
Posts: 4805


cheers for the further replies. I will be putting some Cooper HT+ on tomorrow (as I found out they are just around the corner 8) and provide an excellent service). will source some 17" later for bush bashing and use the 18" for graded gravel and tar. a recent puncture has left me high and dry so was looking for an offroad set that can be swapped and not stop me from using the D3 on a day to day basis.
a brother has the STT's although I might try the suggested BFG's as a comparison when funds allow. Very Happy
  
Post #45460515th Apr 2009 2:08 pm
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caverD3
 


Member Since: 02 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

Thumbs Up HT+ have been sooooooooo much better than the Wranglers. Everytime I went out Oberon way I would get a puncture. With the Coopers, not once, I have even had some srews in the tyres resulting in no leak when I took them out. Surprised
 â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System. 
 
Post #45484915th Apr 2009 11:05 pm
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Disco Driver
 


Member Since: 28 Feb 2009
Location: Canberra ACT
Posts: 55

Australia 2006 Discovery 3 4.0 V6 Petrol SE Auto Bonatti GreyDiscovery 3

Quote:
my brother was shod with coopers which got me thinking to having two tyre sets but was only thinking of putting these on when knowingly going offroad. this kind of stuff


Or perhaps this kind of stuff.....

http://www.youtube.com/watch?v=STt7DmJeeVc
  
Post #45500916th Apr 2009 10:45 am
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Discoeast
 


Member Since: 19 Feb 2008
Location: Boksburg
Posts: 800

South Africa 2007 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3

Disco Driver That,s a great venue, that rock climb is 42 Deg.
And I'll bet the driver s Censored t himself when the front left wheel
lifted Rolling with laughter Rolling with laughter Rolling with laughter
 D3 bullbar-spots-roof rack with spots-ladder-long range tank-swing out spare wheel carrier- upgraded tow bar-dash console-internal water tank-duel awnings-drawer system & T T.  
Post #45504116th Apr 2009 11:33 am
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jonesy63
 


Member Since: 17 Oct 2006
Location: Didn't we have a lovely time, the day we went to ...
Posts: 848

Australia 2011 Discovery 4 TDV6 Base 7 Seat Auto Fuji WhiteDiscovery 4

If only the cameraman could have held the camera straight on the "rock" segment! Whistle Rolling with laughter
  
Post #45504516th Apr 2009 11:37 am
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catweasel
 


Member Since: 05 May 2006
Location: Bundaleer
Posts: 4805


http://www.disco3.co.uk/forum/post221101.html#221101
the clip further down demonstrates the angles better
  
Post #45504716th Apr 2009 11:40 am
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sbarnham
 


Member Since: 07 Nov 2007
Location: Blue Mountains
Posts: 103

Australia 

sbarnham wrote:
The Zero's are the second set, and it seems an updated version (different sidewall markings and slightly different tread) and they are nowhere near as good. I think they corner/grip less than the previous model and I get steering wheel wobble with them. Not happy. Will be Conti for me next time.

The wheel wobble has been looked at multiple times by both dealer and tyre place, I have had multiple wheel alignments, they have replaced a bunch of the front end steering/suspension components, and while they have reduced it, it's still there. When I swap back to the STT's it's gone. I am sure there is some 'absorbing' of vibration by the taller sidewalls of the STT, but it's like night and day.


Replaced the Zero's with ContiCrossContact UHP and the wobble has gone. Was the Zero after all.
 New MY15 TDv6 D4 in Buckingham Blue

Previously 2005 TDV6 HSE in Cairns Blue
- LR Steel Bar & Lights, Cooper STT 245/70R17 on LR 17", ContiCrossContact UHP 255/60R18 on LR 18", Traxide/Optima Yellow Top, GME 3440 UHF, FrontRunner Roofrack.

Previously 1999 TD5 in Blenheim Silver 
 
Post #75191325th Jan 2011 9:47 am
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road runner
 


Member Since: 15 Feb 2011
Location: perth
Posts: 4

Australia 2008 Discovery 3 4.0 V6 Petrol SE Auto Zermatt SilverDiscovery 3
tyre sizes

We have a Disco3, 3year old, which we use for gold prospecting throughout WA. Have been in some very rough country. we also spend 2 months on the beach with tyres let down to 16 psi.
have been using goodyear wranglers silent armour 265 60R18 which work well on sand but we have had a few problems when moving over very heavily quartzed ground with 2 side wall punctures. tyres have been operating at 28psi in this type of country. has anyone fitted a bigger tyre? any comments on method of use in heavily quartzed country? the tyres have worn well, and work well on "the black"
  
Post #76176615th Feb 2011 5:30 am
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WayneD
 


Member Since: 11 Sep 2007
Location: Sydney Darwin ,Singapore, USA, UK and now country NSW
Posts: 531

Australia 2007 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

Many different opinions on tyre pressures. I normally run mine at 22 to 24psi on rocky ground like Bridle Track and Hampton State forest that both have quartz and so far no sidewall damage. However it is a bit of a lucky dip in quartz country because if you hit a rock the wrong way they are like a razor and will slice through the sidewalls. Too much pressure though increases the chances of that happening.
 Take the road less traveled. Dual battery system.ORS drawers,LR cargo Barrier.ARB Bull bar,side protection bars,Mickey Thompson ATR's 17" rims, Rear wheel carrier, radiator guard TPMS Mitchell Bros Tow Hitch LR RAI Steel Rims , GME UHF, Off Road GPS, Llams (yet to be fitted)  
Post #76178115th Feb 2011 7:59 am
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raadar
 


Member Since: 14 Dec 2010
Location: sunshinecoastQ
Posts: 28

Australia 2010 Discovery 4 3.0 TDV6 SE Auto Stornoway GreyDiscovery 4

road runner,

I have recently fitted 285/60/18 cooper ltz's to my big brake D4. They will give the extra floatation needed for sand and they are quiet on bitumen and drive well. Cannot comment on performance on shale/rock etc as yet but Gordon at "Green Oval Experience" down your way in Perth should be able to shed more light on this subject including the option of 275/65/18 bighorns etc.

A slight rub on the chassis at full lock is the only down side of using such a large tyre but for me the possitives outweigh the negatives. Gordon can also supply ride height sensor rods that can alleviate this issue. Check his posts on this site (& RRSPORT.com) at "disco4x4aus"


hope this helps................frank
 my10D4se3Ltdv6 current
my08RRStdv8 sold
my07RRStdv8 sold 
 
Post #76235216th Feb 2011 1:41 am
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road runner
 


Member Since: 15 Feb 2011
Location: perth
Posts: 4

Australia 2008 Discovery 3 4.0 V6 Petrol SE Auto Zermatt SilverDiscovery 3

frank,

thanks for the info I will contact gordon and see where we go from there.
  
Post #76235516th Feb 2011 2:01 am
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road runner
 


Member Since: 15 Feb 2011
Location: perth
Posts: 4

Australia 2008 Discovery 3 4.0 V6 Petrol SE Auto Zermatt SilverDiscovery 3

WayneD wrote:
Many different opinions on tyre pressures. I normally run mine at 22 to 24psi on rocky ground like Bridle Track and Hampton State forest that both have quartz and so far no sidewall damage. However it is a bit of a lucky dip in quartz country because if you hit a rock the wrong way they are like a razor and will slice through the sidewalls. Too much pressure though increases the chances of that happening.



Wayne, thanks I will lower pressure on our next trip and see how we go

regards
  
Post #76235616th Feb 2011 2:07 am
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Martin Krutli
 


Member Since: 17 Apr 2007
Location: Adelaide
Posts: 229

Australia 2008 Discovery 3 TDV6 SE Auto Chawton WhiteDiscovery 3
17 or 18in AT's

Hi Catweasel.

I'm still pretty happy w the 265x65x18 BFG's, up to 50K now and a bit over half worn. They've got a few lugs ripped out where Iwent rock climbing in the Vic high plains and forgot to lower the pressures (still showed up some of the modified Landcruisers on the day though). Slight rub on full lock is the only downside.

BTW, what are you up to at Bundaleer? Wanted to go to the concert in the forest this year, but I don't think it's going to work out timing wise.

Cheers.
Martin
 MY08 TDV6 SE. White/Alpaca. BFG265/65/18 At's
Autologic, Trackside Dual Battery syst., Remote GME UHF, 4X4 Intelligence rear wheel carrier, Boab removable rear drawer system w National Luna fridge, Mitchell Bros hitch.
Rasta Plate. 110L LRA long-range fuel tank. 
 
Post #76525822nd Feb 2011 11:06 am
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catweasel
 


Member Since: 05 May 2006
Location: Bundaleer
Posts: 4805


I have a property in the forest I use as a weekender.
  
Post #76686725th Feb 2011 12:12 pm
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