Quote:
Originally Posted by yspert
since i'm stupid, then i guess i just don't understand why one should
change their oil at all. why not just change the filter? yspert
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For the exact reason I stated... the oil can only heat cycle so many times before the viscosity breaks down. FWIW, a lot of people who run synthetic and change every 10k will also change their filter every 5k miles. I've seen people change oil filters every other oil change but I highly oppose that practice.