Jimmy, could not find anything specific to the break in process for the Black Gold Differential. Only thing I could find states that you should use "good" lube such as the Redline High Impact. No additives unless you use ordinary lube. Might just need to put some miles on it and then assess the deal. Good to chat with you today, looking forward to buying you adult beverages this weekend, drive safe and have fun 'til then.
Mark
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