Thread: Mixing oil?
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Old 12-11-2001, 12:06 AM
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elau elau is offline
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Join Date: Nov 1999
Location: MD.
Posts: 1,725
Mixing oil?

I have read a couple of threads that you should not mix oil. Can someone explain what would happen if you do? Say, I am using 10W30 in the engine and then add a quart of 10W40 in the fix. What will happen inside the engine? I am always curious about this topic.

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