DMA

One thing you need to know about roar and whirlwind is that they have negative priority. The only time a Pokemon roaring or whirlwinding will ever outspeed another Pokemon is if the opposing Pokemon is using trick room or if the Pokemon roaring used it through sleep talk, metronome, assist, or some other such random move. This is why Pokemon using roar/whirlwind rarely run high speed sets, and only then if they have other moves they need to use on the foe first. (Here's more on move priority in general: http://www.smogon.com/dp/articles/move_priority) If you're going to use Ninetales, switching the nature to calm (+spde, -atk) and using 252 HP, 240 Defense, and 16 Special Defense EVs will maximize defense on both sides of the spectrum. This way, it may last longer, given that its job requires staying in to take hits. I'd also switch the items to leftovers, to improve durability. However, there are other Pokemon that can do a similar job that you want Ninetales to do, but more effectively. Swampert, Skarmory, Hippowdown, and Donphan all come to mind fairly quickly. My main complaint here is with the 24 spec. attack points. That's good for when it runs fire blast, but it should be switched to 4 HP / 252 attack / 252 speed for a pure physical set. I may write more later, but for now, I'm tired and I'm gonna go to bed.