 | | Question: | | Mixing Synthetic and Conventional Motor Oils | |
Can you ever blend synthetic oils and conventional oils? If so, what is the
ratio?
| | -- Julie Patten, Des Moines, IA |  | | Answer: |
Yes, synthetic oils can be blended with conventional oils. Several companies,
including ExxonMobil, market synthetic blends which are a combination of
synthetic and conventional oils. In the case of ExxonMobil, the ratio of
synthetic to conventional oil in these products is considered proprietary
information.
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