i have RC boat hull "stealth fx" manufactured by RCMK and i would like to put my RCMK s254 engine in it.. however, i have some difficulties which are:<br/><br/>1)prop size<br/><br/>2)engine placement measurement<br/><br/>3)brass tube angle<br/><br/>4)sterndrive angle<br/><br/>if there are any solution that would help i would be grateful to those who are helping...