Oil suggestion - Mitsubishi-Forums.com
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post #1 of 3 (permalink) Old 04-08-2019, 06:49 PM Thread Starter
Join Date: Apr 2019
Posts: 1
Oil suggestion

Hey guys,

I'm new here, from a Latin America just got a 2002 Lancer. Looks like here everybody uses 20w50 mineral oil on cars, and last owner wasn't the exception. He used mobil1 20w50.should I keep using that oil or change for a different one. This is a warm country so I guess that's why they use only that oil. But I want to hear your suggestions. What you think?
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post #2 of 3 (permalink) Old 04-17-2019, 09:05 PM
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Here in the U.S. we mostly use 10w30 in our cars. Latin America may get warm, but no warmer than our tropical southern states like Florida or Texas, right? More humidity maybe, and engines don't really care about humidity.
20w50 is used in older engines with larger bearings and specs. It probably shouldnt be used in modern engines with tighter tolerances. It could be hard on your starter also.

"Engine oil viscosity refers to how easily oil pours at a specified temperature. Thin oils have lower viscosity and pour more easily at low temperatures than thicker oils that have a higher viscosity. Thin oils reduce friction in engines and help engines start quickly during cold weather. Thick oils are better at maintaining film strength and oil pressure at high temperatures and loads.

During winter and for cars used in cooler regions, your engine will benefit from using oil with low winter viscosity. During summer and in hotter regions, your engine will benefit more from oil with higher viscosity at 100 degrees Celsius.

When comparing oils, it is important to take into account the location in which the car will be used. Thin oils that are less prone to thickening in low temperatures will help you start your engine more quickly in winter while thick oils that are less prone to thinning in hot temperatures will help your engine perform better in summer. As a result, 0W-20 and 5W-30 oils have been developed for colder climates while 15W-40 and 20W-50 oils have been developed with hotter climates in mind."

Last edited by capt. killingfield; 04-17-2019 at 09:07 PM.
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post #3 of 3 (permalink) Old 04-24-2019, 10:28 AM
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0w30 & 5w30 in my region are the norm but -40'c -> 40'c are the temperatures I see.

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