tire pressures

bri

Well-known member
Apr 20, 2004
6,178
152
US
I think this depends on the tire and load rating. Check the sidewall for max pressure.

Run high if you have a large load and lower for no load. Some people run higher pressure in the rear.

I have 235/85, these are a load range E tire so max pressure is really high like around 80PSI. I run pretty darned high pressure to get as many miles out of them as possible. Like around 55 PSI front and rear.

Most commonly you will see people running 32-40 front and 40-45 rear, but you likely will not get as long of a wear at this lower pressure, but I did this too for years with no real issue, just a softer ride.

Offroad is different. I tend to run about 20 PSI, sometimes much lower if the risks of blowing a bead are not too high.
 

Blueboy

Well-known member
Apr 20, 2004
3,205
459
Back in the USA; Rockwood, PA
tire pressure

here is something that I've found useful for on road:

you put a chalk line across the tread and drive straight for a few
revolutions of the tire. the chalk should wear evenly with the correct
pressure. more chalk worn in the center means too much air. chalk worn
near the shoulders mean too little air.

off-road usually around 20psi works well.


Jaime