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2. SAE J300 - Wikipedia

   en.wikipedia.org/wiki/SAE_J300

   The oil fails the test at a particular temperature if the oil is too viscous. The grade of the oil is that associated with the coldest temperature at which the oil passes the test. For example, if an oil passes at the specified temperatures for 10W and 5W, but fails at the 0W temperature, the oil is grade 5W. It cannot be labeled 0W or 10W.

3. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   The grades include single grades, such as SAE 30, and also multi-grades such as SAE 15W-30. A multi-grade consists of a winter grade specifying the viscosity at cold temperatures and a non-winter grade specifying the viscosity at operating temperatures. An engine oil using a polymeric viscosity index improver (VII) must be classified as multi ...

4. Break-in (mechanical run-in) - Wikipedia

   en.wikipedia.org/wiki/Break-in_(mechanical_run-in)

   Break-in or breaking in, also known as run-in or running in, is the procedure of conditioning a new piece of equipment by giving it an initial period of running, usually under light load, but sometimes under heavy load or normal load. It is generally a process of moving parts wearing against each other to produce the last small bit of size and ...

5. Lucas Industries - Wikipedia

   en.wikipedia.org/wiki/Lucas_Industries

   Harry Lucas designed a hub lamp for use in a high bicycle in 1879 and named the oil lamp "King of the Road". This name would come to be associated with the manufactured products of Lucas Companies, into the present day. However, Lucas did not use the "King of the Road" epithet for every lamp manufactured.

6. Brake fluid - Wikipedia

   en.wikipedia.org/wiki/Brake_fluid

   DOT 5 is a silicone-based fluid and is separate from the series of DOT 2, 3, 4, 5.1. It is immiscible with water, and with other brake fluids, and must not be mixed with them. Systems can change fluid only after a complete system changeover, such as a total restoration. It contains at least 70% by weight of a diorgano polysiloxane. [9]

7. Viscosity index - Wikipedia

   en.wikipedia.org/wiki/Viscosity_index

   Thus the issue of multigrade oils came into being, where with variable temperatures of, say, −10 °C during the cold nights and 20 °C during the days, a 5 weight oil would be good as the oil would be pumpable in a cold engine and as the engine came up to running temperature, and the day warmed up, the characteristics of a 30 weight oil would ...