Even though I'm a Chevy guy, and obviously a Nova owner, my vote goes for the fox. Those cars are a dime a dozen, and they obviously work extremely well. Not like a Nova doesn't work well with CalTracs, but the fox is a better option in my mind for a race only car. Furthermore, if you put the stang in the wall and wreck it, it's just another cheap car gone. Wreck a Nova, that's a little different story. Ultimately, the choice is yours, good luck.