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Old 03-06-2023, 06:48 AM   #3
WhiteMale


 
Drives: 23 ZL1 A10 Rapid Blue
Join Date: Aug 2020
Location: MO
Posts: 2,260
I did my Diff two weeks ago at about 6months and 5K miles and the plug had a good 1/4" of gunk attached to it. I don't plan on doing it again any time soon.
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