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The 'W' stands for WINTER. It does not stand for weight. What would the oil be weighing? 12oz of 10w-30 weighs the same as 12oz of 5w-20. It is related to the cold temperature viscosity of the product. A multi-viscosity oil, 5W-20 for example, will perform like an SAE 5 product when cold and a SAE 20 product when hot. And as a bit of additional info, oils are not 'weighted' they are graded. SAE grades the oil.. SAE 5, 20, 30..

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Q: What does the w mean in motor oil?
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What does the W stand in W oil?

If you mean W as in 10W30 motor oil, it stands for Winter. The thickness of those oil changes with the temperature- they are not as thick (viscous) in cold weather, but get thicker as they warm up. Makes it easier to start the engine in cold weather.


Can you use used motor oil in a lawn motor?

Should probably use 10 w 30 or 30 w.


What does the w on a can of motor oil stand for?

Winter or cold temperatures.


What type of motor oil for a 2007 Chrysler Sebring?

5 w 30


What motor oil to put in a 96 grand marquis?

5 w 30


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.


Can you use 10W30 motor oil in a 2003 Mazda protege?

Yes, you can use 10 W 30 motor oil in a 2003 Mazda Protege. If you live in areas where the temps are very cold, 5 W 30 is recommended.


What type of motor oil for 2005 BMW x5?

10W-30 motor oil is recommended for the 2005 BMW X5 automobile. When the automobile is being used in extremely hot climates 10 W 40 motor oil is recommended.


What type of motor oil should you use for a '99 mountaineer?

5 w 30


What type of motor oil do you put in a 2000 ford expedition?

5 w 20


How many kilograms are there in one liter of motor oil?

Motor oil are of different grades. density of each one will be different and hence the weight may vary accordingly.weight of 20 w 30will be lesser than that of 20 w 40


Can you use 5w-30 motor oil in a lawn mower?

Should probably use 10 w 30 or 30 w.