all i have to add are my own experiences.
2001 ford explorer sport, 2 sets of 31x10.5 generic mud tires
1st set:
-don't remember how many miles i got out of them, but it was quite a bit for mud tires. maybe 35,000 or so
-tire pressure kept at ford specs religiously (35 front, 30 rear)
-tires rotated every other oil change (every 10,000 miles)
-the tires in the front cupped pretty badly, thought it was an alignment problem.
-lots of body roll and bounce getting on the highway.
2nd set:
-10 to 15,000 miles so far, very little wear
-about to do first rotation (im due to change my oil)
-45 psi all 4 corners for most of those miles
-tire cupping is non-existent (and i never got an alignment)
-handling is very noticeably improved (its still a lifted suv, but its much better than even bone stock)
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