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2. When Should You Change Your Oil? - AOL

   www.aol.com/change-oil-183100994.html

   Conservative estimates for oil-change intervals used to be as low as 3000 miles, before significant improvements in fuel-delivery systems, engine materials, manufacturing methods, and oil chemistry.

3. 3,000 mile myth - Wikipedia

   en.wikipedia.org/wiki/3,000_mile_myth

   With modern synthetic oils and new tests such as BMW's LL ("long life") oil specifications, most current cars can go over 6,000 miles (9,700 km) before needing an oil change. Even most modern conventional oils (also called mineral oils) can take a car engine at least 5,000 miles (8,000 km) before needing an oil change. [1] [2] [3] [4]

4. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   So periodic oil and filter changes should still be done with synthetic oil, but some synthetic oil suppliers suggest that the intervals between oil changes can be longer, sometimes as long as 16,000–24,000 kilometres (9,900–14,900 mi) primarily due to reduced degradation by oxidation.

5. Synthetic oil - Wikipedia

   en.wikipedia.org/wiki/Synthetic_oil

   A sample of synthetic motor oil Synthetic oil is a lubricant consisting of chemical compounds that are artificially modified or synthesised. Synthetic oil is used as a substitute for petroleum-refined oils when operating in extreme temperature, in metal stamping to provide environmental and other benefits, and to lubricate pendulum clocks .

6. Viscosity index - Wikipedia

   en.wikipedia.org/wiki/Viscosity_index

   where U is the oil's kinematic viscosity at 40 °C (104 °F), Y is the oil's kinematic viscosity at 100 °C (212 °F), and L and H are the viscosities at 40 °C for two hypothetical oils of VI 0 and 100 respectively, having the same viscosity at 100 °C as the oil whose VI we are trying to determine.

7. Oil filter - Wikipedia

   en.wikipedia.org/wiki/Oil_filter

   An oil filter is a filter designed to remove contaminants from engine oil, transmission oil, lubricating oil, or hydraulic oil. Their chief use is in internal-combustion engines for motor vehicles (both on- and off-road ), powered aircraft , railway locomotives, ships and boats, and static engines such as generators and pumps.

8. Noack volatility test - Wikipedia

   en.wikipedia.org/wiki/NOACK_Volatility_Test

   The Noack volatility test, named after Kurt Noack, [1] determines the evaporation loss of lubricants in high-temperature service. This test is standardized as ASTM D5800. [2]In this test, a sample is heated at 250 °C for 60 minutes with a constant flow of air over it.

9. International Safety Guide for Oil Tankers and Terminals

   en.wikipedia.org/wiki/International_Safety_Guide...

   The International Safety Guide for Oil Tankers and Terminals (often shortened to ISGOTT) is a standard code of practice for the safe operation of Oil tankers and Oil terminals. [1] Published by Witherbys , it is a joint publication produced by the International Chamber of Shipping (ICS), the Oil Companies International Marine Forum (OCIMF), and ...