I have had mostly ignition engines with c/h type ignitions i am use to a low smooth idle i have a fairly new g445 i acquired on a giant scale stinger I KNOW OVERKILL but i got a heck of a deal on the plane anyway the motor is real smooth on transiton ect but on idle it is really a shaker is that normal i havent tached it yet and it only has a couple hours run time any suggestions or comments