Tyre Pressures

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Just to tell you what I do:
For a vehicle that is the same weight and tyres as yours in the Vic High Country, I lower the pressures to about 22/26psi front and rear. I like the extra long footprint - helps with grip especially when you don't have difflocks. and you like to do a few of the "hairier" tracks. As for the trailer, I don't know - but its not like sand - I expect trailer tyre pressures don't matter as much as they might in the desert.

Thanks Stu and Bob,,,,,,,,,,mmmm will have to add that to the menu.

I have done a lot of Vic High Country driving, albeit in my Landcruiser which is similar size and weight to a Patrol. Also I have mud tyres up front, all terrain rear which is deliberate. I believe it gives me the best of both worlds for combination on and off road driving.
In summer, read dry tracks, you can easily leave tyres pressures as is. I use 40psi front and 36psi rear, cold pressures. However if the tracks are rough, you can drop the pressures 20% to make things more comfortable.
In winter it is an entirely different ballgame but most tracks are doable with 25psi front and rear. The lowest I have need to use was 22psi when climbing a particularly muddy and badly torn up track.
Remember to carry a protable air compressor for reinflating the tyres before you get back onto bitumen.
Tyre pressures on the trailer really don't matter, but again deflate 20% to reduce shaking the contents of the trailer too much on rough dry tracks.
Peter.

GQ patrol, Ossy made bridgestones, vehicle camper trailer set up, with weight around 4 to 4.5 tonne around oz with some harsh dirt roads, Gib river, central desert QLD and such like. I never changed from 32-33 psi, never had a puncture. I spoke to many people doing same trip and was always amased at some of the high pressures run by some people. To me any thing over 36-37 psi is way to high for any condition. The only time i change pressures is on sand and from experience the best quality pressure quage is worth its weight in Gold.


Col