It all depends really. If it is lowered that is a lot more stress. If you put it through its paces, you may as well just get poly right out of the gate. Back to tires, I want those new General Grabbers with the red letters. Currently I have General Grabber AT2's

 

Here's my daily.

http://www.flickr.com/photos/62639173@N03/6172754207/http://www.flickr.com/photos/62639173@N03/6172754207/ by http://www.flickr.com/people/62639173@N03/, on Flickr

But as for tires, I do want those Grabbers with red lettering. That or the Goodyear MTRs that we have on the new Humvess.