Advice on tyres

Submitted: Wednesday, Aug 07, 2002 at 00:00
ThreadID: 1665 Views:1544 Replies:3 FollowUps:2
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Over the years I have run 10R 15's on my vehicles (80% road, 15% sand, 5% stoney). Invariably it's the 5% that has destroyed the tyres eg. Stretzlecki, Oodnadatta, Birdsville Tks etc. and far more regularly the Northern Flinders.
Three years ago I purchased a set of Kuhmo 12 ply 7.50 16 steel radial light truck road pattern tyres for less than $150 each and use them for our regular trips to the northern/far northern Flinders. Absolutely bullet proof !!
In September we are crossing the Simpson via French and QAA lines but also traversing the Flinders via Mt Hopeless.
Having no experiece what so ever with the Kuhmo tyres in sand (heaps with 10R's and the 265/75 16 693 Bridgestones on my present vehicle, which by the way are very suseptible to damage in stoney country), my question to the forum is how would they cope over the dunes of the French/QAA as opposed to using the Bridgestones and what pressure could I safely drop them to ???
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Reply By: Goran - Wednesday, Aug 07, 2002 at 00:00

Wednesday, Aug 07, 2002 at 00:00
Stevo,your 7.50 16 LR are at home in the rocky and broken ground conditions.They can handle the sand very well if you drop the pressure down to say 20psi.That all depends on overall weight of your vehicle on the particular trip. As far as i am concerned i would use 265 75 R16 on sandy tracks and 7.50 R16 when i am going off the track all together.
Cheers
AnswerID: 5479

Follow Up By: Stevo - Thursday, Aug 08, 2002 at 00:00

Thursday, Aug 08, 2002 at 00:00
Thanks Goran, I usually do what you are suggesting but unfortunately for this trip it is either one type of tyre ore the other.
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FollowupID: 2362

Reply By: Steve - Thursday, Aug 08, 2002 at 00:00

Thursday, Aug 08, 2002 at 00:00
Stevo: As you say the Kumho tyres are as good as any of those well promoted tyres and will do any outback work they are put up to ... I crossed the Simpson with 7.50x16 at a pressure set at 18 psi... with the Landcruiser loaded etc and never failed to negotiate any of the dunes with ease!! travelling from Birdsville to Mt Dare.. They are a far tougher ( 12 ply) design than 10r x15's and 'tyres ain't tyres' , so don't get two different applications mixed up !!

Steve
AnswerID: 5491

Follow Up By: Stevo - Thursday, Aug 08, 2002 at 00:00

Thursday, Aug 08, 2002 at 00:00
Steve, thanks for your encouraging reply. I 'll put the "pizza cutters" on for the trip and let both you and Goran know how they go over the dunes.
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FollowupID: 2367

Reply By: andrew - Sunday, Aug 11, 2002 at 00:00

Sunday, Aug 11, 2002 at 00:00
Hi Stevo,
Mate, in the bush, if you need to buy a new tyre, what is the tyre most commonly found in a small community or station property. 7.50R16LT's. Why, because they are tough and easy to repair, especially on split rims and everyone (local that is) has them.
Dropping the pressures on the 7.50's will help them better on the sand and the strength of them will ease your mind when the tracks are stoney or with numerous hidden stakes in the sandy country. The wider tyres as well, get caught up on the edges of the deep sandy ruts as well and wash off the speed rapidly, usually when you need it most.
AnswerID: 5588

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