Hello I read on line that the Phantom comes with 8x5 props, a friend gave me 9x5 Graupner E-props with the 8mm bore for it. Not being a quad expert by any means of my imagination! Does anyone have an idea of the Phantom's performance one can expect out of these props, will it be for the better or worse?? Waiting for delivery in Toronto. Cheers and Happy New Year.