Quote:
Originally Posted by Mazikowski
I stretched my last oil change out to 10k mi as well and got similar results. I'm planning on dialing it back to around 7.5-8k though since past that I saw a noticeable drop in fuel economy.
Here's the report with the numbers from my past few changes. All of these have been with Valvoline SynPower 0W-20, fwiw.
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Very nice, thanks for sharing. I'm glad to see how great modern engines and oils are. That's why my mom's Porsche only requires 1 oil change a year.