Hi, Guest
01-30-2011, 02:27 PM
Synthetic oil has the exact same viscosity rating as ... wait for it ... the same viscosity rating conventional oil.
A pound of feathers weighs the same as a pound of bricks. If 5W20 is the viscosity rating of the oil, it is the viscosity rating no matter if it is synthetic or conventional.
The main difference between conventional and synthetic oil is how it breaks down under use; but an engine will still deposit the same contaminants in the oil at the same rate and these contaminants still need to be removed by the oil filter. While you can run synthetic longer in an engine than conventional oil, you still need to remove the contaminants so you either need to keep a clean filter; by either changing it at the same interval as with conventional oil if it is a conventional filter, or by using a synthetic-duty filter that has more surface-area internally.
A pound of feathers weighs the same as a pound of bricks. If 5W20 is the viscosity rating of the oil, it is the viscosity rating no matter if it is synthetic or conventional.
The main difference between conventional and synthetic oil is how it breaks down under use; but an engine will still deposit the same contaminants in the oil at the same rate and these contaminants still need to be removed by the oil filter. While you can run synthetic longer in an engine than conventional oil, you still need to remove the contaminants so you either need to keep a clean filter; by either changing it at the same interval as with conventional oil if it is a conventional filter, or by using a synthetic-duty filter that has more surface-area internally.
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