when l had to do my 4wd driving course to et a certificate to show the mine manager that l was competent to drive a 4wd around his gravel roads on the mining lease in WA l raised the issue of deflating tyres on outback roads.
The consensus of the instructors is don't deflate your tyres until you have to and then deflate only enough to get going again.
Whereas every 4wd club outing l go on as soon as they leave the bitumen they stop on the gravel road and deflate tyres to at least 24 lbs

