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What is multi weight oil?

Updated: 12/4/2022
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Q: What is multi weight oil?
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What is 10W40 in engine oil mean?

It is the weight of the multi-vicosity oil. The 10 is the weight of the oil when cold. The W stands for Winter. The 40 is the weight of the oil when it gets hot.


What is 5w-30 motor oil?

It is a multi-viscosity oil that is 5 weight when it is cold and becomes 30 weight when it is hot.


What is multi grade oil?

Multi-Grade or Multi-Weight oil is oil that has additives added to change viscosity of the oil at different temperatures. This allows the oil to flow differently at hot or cold temperatures. This type oil is designated with 2 numbers. The first number is followed by the letter W. The first number indicates the weight of the oil in cold temperatures (Winter). The second number indicates the weight of the oil in normal (hot) temperatures. This multi-weight allows the oil to flow easily when it is cold which protects the engine from excess wear when it is started when it is cold. It then thickens when it is hot to allow for better protection of a hot engine.


What weight oil or lube is used in a 1998saturn sc 2 5 speed?

Most likely that the manufacture has recommended a W5-30 multi viscosity oil for Saturn. The reason for multi viscosity is, it is tested to protect the engine like a 30 weight oil but act like a 5 weight oil. In all of my vehicles I use 30 weight period, not a Multi Viscosity. If you try this and then experience tougher starting in colder months I would suggest reverting back to the W5-30.


Can you use 10w-40 oil on a 2 stroke dirt bike?

Yes you can but find out what weight the manufacturer recommends first. Some recommend a straight weight instead of a multi weight oil.


What does the w stand for in motor oil?

The "W" stands for weight. The "W" stands for winter. 5w30 is a multi viscosity oil. It acts like both 30 weight in warm weather, and 5 weight oil in cold weather.


What Oil Grade should you use after 105000 miles in Florida?

I NEVER USE A MULTI GRADE OIL I USE A STRAIGHT 30 WEIGHT DETERGENT


What is the difference between 20w50 and SAE 50?

SAE 50 is a single weight oil that is 50 weight when cold or hot. SAE 20w50 is a multi-grade oil. When cold it flows as a 20 weight oil and therefore flows much easier. At full operating temperature it flows as a 50 weight oil. The W stands for winter.


What kind of oil us in summer time?

Use exactly what the manufacture of your vehicle recommends. All manufactures recommend a multi weight oil such as 5w-20 as an example. These oils are 5 weight at startup and 20 weight when the engine gets warm.


Can you mix sae30 and sae 10w30 motor oil in a car?

I dont know why you would want to do that. The multi viscosity and straight weight oils wont mix and the multi viscosity oil will be expended faster when it is at its low end. If they happen to reach the correct temperature together, they will flow as united and become the same weight but never be homogenous.


What weight of engine oil does a john deere 3020 take?

The operator's manual for a 3020 should state which weights of oil should be used in specific temperatures. Generally a 30# oil should be used in the summer and a 10# oil in the winter. A Multi-weight oil such as 15W-40 can also be used in all seasons.


Briggs and Stratton 4.5 HP required oil?

You should use a 30-weight motor oil, NOT a multi-grade such as 10-W-40. Use of multi-grade oil will increase your oil consumption considerably. Check your owners manual, nearly all Briggs engines made in the last 10 years recommend a multi-viscosity oil, namely 10w30. However, if not used below 40 degree temperature's, 30w detergent oil is fine as it is shear stable (will not degrade to a 20w under high heat).