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Old 06-19-2013, 09:55 AM   #28
jeremywes's Avatar
Drives: 2012 Camaro SS
Join Date: Aug 2012
Location: Houston, TX
Posts: 505
Update - After a gear break-in period consisting of roughly 10 progressive (20 minute) heat cycle sessions followed by a complete cool down and approximately a thousand total miles since I installed the 3.91's, I replaced the fluid in the rear end. I found the same heavy micro metallic build up on the mag plug that I had after breaking in the original gears. Another quart of royal purple and she is good to go.
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