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Old 07-17-2019, 11:41 PM   #15
Tinker
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Join Date: May 2010
Location: MN
Posts: 7,053
Default Re: Mixing synthetic and regular oil

Here we are talking oil. I've read if you have a dirty engine don't use synthetic as it bonds to dirt and can clog the works. Now seals and synthetic? I've used what was cheap.



I think most use oil that is cheap and change it. I could probably use corn cooking oil in my car for 1k miles and probably be fine if I changed it back.



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