The society of automotive engineers sae has established a numerical code system for grading motor oils according to their viscosity characteristicssae viscosity gradings include the following from low to high viscosity. Multigrade oils such as sae 5w 30 and 10w 30 are widely used because under all but extremely hot or cold conditions they are thin enough to flow at low temperatures and thick enough to perform satisfactorily at high temperatures.
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In case of ford it was the ford focus pzev that at that time was available only in california as 2003 model and.
Sae 30 oil viscosity at 60 f. A typical engine oil was a sae 30. Citgo petroleum corporation 800248 4684 houston texas manufactured in usa product information m20003 mystik jt 8 synthetic blend super heavy duty engine oils are performance engineered for the. Viscosity comparison chart material viscosity centipoise water at 700f 1 5 blood or kerosene 10 anti freeze or ethylene glycol 15.
How do they come up with this rating. I prefer spectros fork oils or suspension fluids. The above introduction has been published back in 2002 when ford and honda were the first two companies installing sae 5w 20 motor oil into few of their vehicles as factory fill.
The original viscosity grades were all mono grades eg. Most of the time when viscosity is explained words are used that are too technical for the average person to quickly grasp. Engineoilsae10w 30txt last modified.
In case of honda it was sae 0w 20 used only in their first hybrid the insight. They are good have low stiction wide temperature range decent vi too and the viscosities can be depended upon. The society of automotive engineers sae has established a numerical code system for grading motor oils according to their viscosity characteristics.
Td 239s rev 102018 2 excellent hydraulic protection provides superior anti wear protection to high pressure systems. This is because as all oils thin when heated so to get the right film thickness at operating temperatures oil manufacturers needed to start with a thick. Motor oil viscosity grades what does the sae viscosity rating on your motoroil bottle mean.
In the early airhead days bmw fork oil at least for usa sold and serviced motorcycles was colored red was a military hydraulic oil. The numbers 0 5 10 15 and 25 are suffixed with the letter w designating they are winter not weight or cold start. Guide to sae viscosity grades of engine oils for passenger cars.
0 5 10 15 20 25 30 40 50 or 60. Excellent protection against foaming even with water contamination.
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