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Re: 0W20 - Semi-synthetic vs Synthetic
Posted to Shop Management Forum on 5/26/2014 8 Replies

Marlin

Not to jump in one way or the other. ;-)

I thought that some of the so called synthetic oils and fuel were developed by people working for a guy about say 70/75 years ago. Voluntary or otherwise... Many of the processes that they used were destroyed... Login to read more.

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