Proper oil....
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use what it says on the cap. if it doesnt say, then use 10w30 or lighter.
20w50 is mostly for racing applications. the previous owner may have been using the heavier oil to quiet down the engine or didnt know any better. you will get better MPG by using a lighter oil and it will start easier in the cold months.
20w50 is mostly for racing applications. the previous owner may have been using the heavier oil to quiet down the engine or didnt know any better. you will get better MPG by using a lighter oil and it will start easier in the cold months.