If it's that sloppy, there's not much you can do to make it worse. Just don't expect miracles when you adjust it- - - - -you'll be disturbing the established wear pattern the gears have set up, and that usually makes them more noisy! The change in noise from pull to coast usually indicates the pinion bearings are worn out, so count on replacing all the bearings (including axle bearings) when you do the ring & pinion change.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!