451 motor

do tell i am all ears ..i under stand your talking about the block..so please tell me so i know what to look for...the block is a rbre prep block with his mains.you know i hear all the time buy a race block ,buy a race block..but what about those guys that did buy the race block and put a window in it?????not trying to piss or start a piss match but i like to hear the reasons why when people say stuff like that..have you ran over a crank???? or have a stock block come apart??? all i ask is give me something other then never mind forget what i said......thats like opening a post just to piss on it...:D:D:D:D:D