Quote:
Originally Posted by piper6909
MrBen, I'm in the same boat as you. I put in maybe 2000 miles last year. I chose to change mine. I've read that oil becomes acidic after some time, but I guess that applies more to conventional, not so much synthetic. There's also blow-by that contaminates the oil, but with 2000 miles, I don't think that's a big deal. Question is, even with minimal blow-by contamination, what does that do to the oil after sitting for so many months?
For me, changing the oil once a year regardless of the low miles is not a big deal.
You're most likely perfectly fine not changing it. I guess in this situation it all comes down to personal preference.
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The oil collects both fuel and water, which if left to sit can create acidic compounds in the oil, breaking down the oil and attacking the metal surfaces.
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