or clogs up a 4 stroke if that is what you are running... (oh oh, another fuel war!) Anyway, ignore that last comment. [8D] There isn't much you can do about the fuel, what you can do is use an exhaust deflector. Some swear by them, I'm usually swearing at them. I've never had good luck with them. If it actually stays on for more then a flight, the reduction in power is noticable, but again, your mileage will vary...