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A Look at GM's Oil Life Monitoring System
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06-24-2011, 06:01 PM
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xxIRONWILLxx
7.5 mpg and loving it!
Drives: it like I stole it!
Join Date: Feb 2010
Location: Harborfest, NY
Posts: 283
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helpful post but I ride the old girl pretty hard. so I'll just stick with checking the condition and deciding. I use royal purple and change out once a season, about 3500.
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