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The first number is the oil viscosity when the engine is cold, and the second number is when the engine reaches its operating temperature. 10w30 is more viscous, and 10w20 is generally used for motorcycles.
5w20 is a little thinner at operating temps than 5w30
The main difference is that 5w20 is thinner at operating temperatures than 5w30. They both have similar cold flow ability.
Check the oil cap. If its doesn't say, use 5w30If it says 5w20, use 5w20.Check the oil cap. If its doesn't say, use 5w30If it says 5w20, use 5w20.
5w20 or 5w30, depends on if it has MDS. If the oil cap says 5w20, use 5w20.
If the oil cap says 5w20, use 5w20. If the cap just has a yellow symbol, use 5w30.If the oil cap says 5w20, use 5w20. If the cap just has a yellow symbol, use 5w30.
Affirmtive. 10w30 is fine for temps of 40-80*f. Below 40*,i'd go to a 10w20 or a 5w20. 0* and below i'd use 5w10. Over 80* i'd use 20w40 or 20w50.
10w30 is thicker than 5w20
If the oil fill cap says 5w20, use 5w20.If it just has the yellow symbol, use 5w30.If the oil fill cap says 5w20, use 5w20.If it just has the yellow symbol, use 5w30.
Check the oil fill cap, it should require 5w20.Check the oil fill cap, it should require 5w20.
Both behave the same when cold but the 5W30 is slightly more viscous at high (engine operating) temperature.
5w20, does not have to be synthetic.5w20, does not have to be synthetic.