Choopster

Would appreciate some feedback on what a good air pressure would be for basic driving on a '98 with 265/70/16's. The tires are rated for 44psi max. Thanks...

Elton

32-35psi is fine i rune mine at 35 all the time

MTL_4runner

Ditto......you don't want pressure to ever drop much below 32 psi for good gas mileage while highway driving. If you live in a cold climate you need to check pressure pretty often in winter because the pressure can change quite a bit with large temp swings (since tires more or less follow the ideal gas law PV=nRT). Alternately you can also get your tires filled with pure Nitrogen for about $3-5 each and the dried gas won't affect it as much....not perfect, but better than compressed air. That being said, I just use my air compressor and check them often.

sharrack

I keep mine at 32-35.
I tried the 25 -27 for a while and it screwed up my tires.
I had heard people like running lower pressure for a softer ride and for off road. Kenny >S

CLEANSR5

Yea,keep it around 32-35, if you are going off road, you may want to air down, depending on how extreme the terrain is.

midiwall

...only if you have a way to air back up before hitting the pavement. You don't want to run off-road pressures on-road.

CJM

Fill to about 38psi (15% of the max 44psi) or do this test:

Fill to about 42psi or so, take a piece of chalk and make a straight line across the width of the tire. Drive for about 50 feet-get out and check that mark. If it has evenly wore away then you have the correct footprint and inflation. if the inside wore away its overinflated, the outsides its underinflated. Obviously add/remove air till its evenly wore off.

Unless you are using stock tires that originally came with your truck the info in the manual and doorjamb is incorrect!

Choopster

Thanks guys...

AH64ID

You want to run as much pressure as you can and still have a flat contact patch with the chaulk method, this will yeild the best mileage and wear, thou if you drop a few psi from that number you will still get good results, but a nicer ride.

It all depends on the tire and rim.. .My 35's I have to run at 24 to keep a flat patch, my old 32x10.50's I could run at 50 with a flat patch... so each tire/wheel/rig combo is different.