Timing cover question

WOW I just had this question. We were building the bottom end and the "Oil Slinger" plate was rattling with the Dampner pulley on fairly far... I was like "Hey how bout the Donut?" my step-dad has mostly owned fords and chevy's (Poor Bastard. He admits to Mopar Superiority all the time though so we are cool. He has built motors over 100 times{I tried to want to say assemble engines but it sounds way too correct to be done in an attached garage}) and he was like. "I dunno?! I ain't never seen one-u-dum-dure Whoodickies, Could be?"

So we left it in the box...
I imagine it would have to make your engine less "Rattly" somehow to some extent...

DOES ANYONE RUN THEM?

Between the Crank sprocket and "oil slinger"?
or between the slinger and the Timing Cover?
or timing cover and Dampner?

-I got confused by this thread...