Tom, you should always air down to around 15 PSI for soft sand.
Gives the tyre a wider contact area so you don't bog down so easy.
PK
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Spike runs your tires at 36psi is where you live has a moon like terrain.
Mines had the same max psi but never went over the 36 plus that allows me to use valve caps with air monitoring pressure gauges :yesb:
PK,
I knew I was gonna get some flak on that statement. I won't jack this thread anymore than it already is tho.
You're right. Airing down for soft sand does make a big difference
IF
you have the right tread to start with. I stay away from really soft sand with mine since I have MTs. That tread pattern just digs big holes in sand & doesn't do much for getting you from point A to point B.
I just got those Coopers too! They seem great so far! I got the 285/60/18s and they almost seem a little wider and lower profile than my old Nitto Terragrapplers of the same size. No problem fitting or rubbing with stock wheels and ride height. My thanks to Kat for her pictures too which pushed me over the edge. (the fact that I grew up in Central Arizona right near her and have driven those same dirt roads myself might have softened me up even more)
http://img407.imageshack.us/img407/157/img3883w.jpg
http://img266.imageshack.us/img266/5539/img3890.jpg
http://img442.imageshack.us/img442/9058/img3882.jpg
Lookin' sharp! :thumbup::thumbup: