Hey Joe, a typical 7 cly radial like this one without supercharging or turbos put out around 350 to 400 hp. Don't mean to pop anyones buble, but this type of engine has been around for years because of its reliability. As a side bar, most of our WWII aircraft were powered by radial engines. Today most of your bigger crop dusters (you really want an engine that reliable in these rides) use radials.What kind of hp. and tq. do those motors make?