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twildbill5
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What is the difference between 5W-40 and 10W-50 oil?
Answers: 6 Views: 3757 Rating: 1 Posted: 13 years ago

5w-40 type oils are mo ere stable in changing temps as compared to say 20 wt, 30 wt, 40 wt, etc. supposedly the characteristics of 5w-20 is that when hot it has the viscosity of 20 wt oil, and when cold it has the viscosity of 20 wt oil.
in other words the multi wt oil is less afected by temp changes.

Rating: 1 Posted: 13 years ago

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