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Old 10-01-2011, 09:44 PM   #4
David79z28
 
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Drives: 79Z28 and 2010 2SS/RS
Join Date: Jul 2010
Location: Greenville, TX
Posts: 526
I change mine at 50% which is around 5000 miles. I am no oil expert. Changing it that often gives me a piece of mind...
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