Some good information for those considering a switch …
Many automakers require owners to use synthetic motor oil in their cars’ engines. This is because synthetic oil has some advantages over conventional motor oil. It’s designed to be more effective at:
Resisting break-down, and thus lasts longer than mineral oil
Withstanding high temperatures
Flowing in cold temperatures, thus reducing engine wear during frigid startups.
However, synthetic motor oil can cost two to four times as much as regular oil. So unless your owner’s manual specifies synthetic, you don’t need it. But Consumer Reports’ chief mechanic says there are some situations where synthetic oil’s resistance to breakdown can help prolong the life of an engine.
If you make lots of short trips, standard motor oil may never get warm enough to burn off moisture and impurities. That could hasten the breakdown of conventional oil. Also, if you live in a region with very cold winters or very hot summers, or…
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