Quote:
Originally Posted by DallasTRDPro
I might pay for an oil change at 5K. I just don't like going until 10K even with synthetic.
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Most synthetic oils don't begin to oxidize until about 10,000-15,000 miles. With synthetic oils, just changing the filter at 5000 miles would be a benefit as most filters aren't designed to last beyond 7500 miles. Changing the oil prematurely will help with removing some of the contaminants in the oil, but will not drastically change anything, as the oil has not reached the end of its life cycle.
If you are running a conventional dyno oil, that is a different story. It will begin to oxidize and break down at about 5000-7500 miles, about the same time as when most oil filters lose their filtering capabilities.
