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help with tyre preasures please.

Posted: Sat Aug 29, 2009 7:16 pm
by Middo
im goin to DI next weekend and im not excactly sure what tyre pressure i should use. i was told 18 by the guy i bought it off but i would like others opinions. as u probably know i drive a 91 4runner on 33's. just wondering what pressure u guys think i should use at. cheers.

Posted: Sat Aug 29, 2009 7:30 pm
by RockyF75
As low as you need to make the tires bag out noticeably.

I used to run 10-15psi in my rocky at stockton. But at the same time, I got away with road pressures on another beach... only just but :lol:

Re: help with tyre preasures please.

Posted: Sat Aug 29, 2009 8:09 pm
by JWB
Middo wrote:im goin to DI next weekend and im not excactly sure what tyre pressure i should use. i was told 18 by the guy i bought it off but i would like others opinions. as u probably know i drive a 91 4runner on 33's. just wondering what pressure u guys think i should use at. cheers.
If vehicle is fully loaded with camping gear, I would go down to 25 as a start. BUT MAKE SURE YOU DRIVE ACCORDINGLY.
Once car is unloaded you could easily go to 20.
If you strike very soft sand then drop a few psi again.
Just be sure you adjust your driving to suit the soft tyres
And pump them back up when back on the blacktop.
enjoy your trip! :D
cheers

Posted: Sat Aug 29, 2009 8:14 pm
by Middo
car will have camping gear but not excessive amounts. only 2 days worth of food. wont have tent or anything like that cause were sleeping in the truck.

Posted: Sat Aug 29, 2009 8:36 pm
by 80's_delirious
Id go 18-20, and see how it goes. shouldnt be any drama at that pressure, just drive sensibly. When I had 33s on my 80s I ran 18psi offroad and lowered it to 15psi in situations I wanted more traction. 4runner is several hundred kg lighter than a cruiser, so 18psi should be a good starting point

If the tyres are squealing in soft sand, you probably need to drop a bit more air

Posted: Sat Aug 29, 2009 8:40 pm
by Middo
alrighty. cheers guys.