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On this episode of Dirt Every Day presented by Tire Rack, Fred Williams and Dave Chappelle are going to figure out if, with a few modifications, a military surplus Humvee is a great desert machine, or an awful off-roader. After getting a ratty veteran of a 4x4 from GovPlanet, the guys take it home to build it up into a more capable rockcrawler and then head to Johnson Valley, California, to see if their mods worked.