Compression Ignition Addict
Join Date: Jul 2011
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Lol 30 psi? Dude I run 18 psi in the front and 15 psi in the rear when I go to the sand dunes and I couldn't even get it to spin in 4x4. If you don't air down your tires in something so heavy you will sink like a rock.
I also can do perfectly fine in 2x4 as well. And you do not need 4 Low.
Air your tires down to what I specified and you will never have a problem driving in the sand again....unless of course you high center it on a hill or something....
Also the reason you haven't had a problem before is because the sand has levels of density. The deeper the sand is, the denser (harder) it will be. Density of the sand deals with how much rain they have had recently. If it is a drought, then the sand will be mushy and soft quite a ways down causing you to sink like a rock with tires running 25 psi or more.
When taking air out of your tire, it allows the tire to balloon out a little, giving it more surface area holding you on top of the sand
2002 CCLB F350 7.3L 4x4 Lariat. Black with 2007 Tan leather interior. Mild towing tune, K&N CAI with sleeve, MBRP 4" exhaust straight pipe.
Kettering University off road diesel enthusiast
Last edited by The Stig; 08-14-2012 at 10:26 AM.