Hey everybody,got a question for you.I have a dolmar ps 510 with a 20'' b&c on it,i want to put it on my makita 6401 will it interchange?And if not can it be made to fit? I have a 20 and a 24 for the makita but the 20 is wore out,and i would rather spend the money on a 18'' b&c for the 510,and...