Originally Posted by Patrick

You won't need 47mph to pass nitro's. My truggy's only geared for ~36mph and it's as fast or slightly faster than the nitro's I've raced against. Usually 35mph to 40mph is good for racing, depending on your track and driving style. The setup might handle 47mph, but it might make your lap times worse, and make it harder to get 20 minutes runtime.