03-22-2019, 09:53 AM
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#8
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Retired from Car mfrs....
Drives: 2LT RS/HR-V
Join Date: May 2013
Location: /Fort Lauderdale
Posts: 10,048
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GM feels that if it's not in the manual you shouldn't do it. There are'nt many cars out there that request a 500 mile oil change, some of the C7 vets do, there may be others . but in general the industry follows the oil minder.
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