I regularly run sand trails in the Osceola and Ocala NF, and at the beach. My 4Runner has P235/75/R15 tires, inflated to 32 PSI. Only on rare occassions, do I come off that for sand.
If I do deflate, I drop to 22 PSI, and then use a 12 volt pump to bring it back up when leaving the woods or beach.
Roads like this go for miles, with deep, soft 'sugar' sand.
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Last edited by Mannlicher; 06/30/15.

Sam......