Originally Posted by chops

honestly, even if you shift hard sometimes, its only a matter of time before it goes. when it goes you have a dirty mess and a really bad shifts (unless you slip the clutch alot). i bought 3 quarts of redline mt-85 to change the trans oil this week before i noticed the diff bushing gone. i have 40k miles on mine with ~5 track days and im guessing mine went out in the last 5k miles.

i wish i wouldve changed it sooner, before it went out as a preventative measure. would've attempted a DIY instead of pay someone 100/hr to install it (properly)