Forum Discussion
FishOnOne
Aug 25, 2017Nomad
Turtle n Peeps wrote:allen8106 wrote:
I use a full synthetic also in my Duramax but I'm scared to death to go over 5000 miles.
Why?
What makes you think your oil won't make it to 10 or 15K.
What makes you think your oil will make it to 2K let alone 5K?
A lot of people go by the color of the oil when choosing to drain the sump.
The Duramax with it's ninth injector reduces the chance of oil/fuel dilution so it should be a solid candidate to go the full OCI.
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