Thread: Oil Change
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Old 09-27-2009, 04:10 PM   #11
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Drives: 1996 gmc ecsb 408 ci SC 4l80e
Join Date: Sep 2009
Location: sallisaw ok
Posts: 84
While the oil may be good for 6000 miles i wouldn't go that far with it. It may not be broken down like conventional non synthetic oil but it does get dirty. i would check the color and smell for any burnt smell after 3000 miles. keep the oil clean and fresh and the motor will last a lot longer.
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