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  2. Motor oil - Wikipedia

    en.wikipedia.org/wiki/Motor_oil

    Motor oil, engine oil, or engine lubricant is any one of various substances used for the lubrication of internal combustion engines. They typically consist of base oils enhanced with various additives, particularly antiwear additives , detergents, dispersants , and, for multi-grade oils, viscosity index improvers .

  3. Here’s how often you should really change your oil - AOL

    www.aol.com/lifestyle/2019-10-06-heres-how-often...

    Changing your oil is one of the easier maintenance tips that will extend the life of your car. The trick is remembering to change it. Skip to main content . 24/7 Help. For premium support please ...

  4. Diesel fuel - Wikipedia

    en.wikipedia.org/wiki/Diesel_fuel

    Diesel fuel, also called diesel oil, heavy oil (historically) or simply diesel, is any liquid fuel specifically designed for use in a diesel engine, a type of internal combustion engine in which fuel ignition takes place without a spark as a result of compression of the inlet air and then injection of fuel. Therefore, diesel fuel needs good ...

  5. Service (motor vehicle) - Wikipedia

    en.wikipedia.org/wiki/Service_(motor_vehicle)

    A motor vehicle service or tune-up is a series of maintenance procedures carried out at a set time interval or after the vehicle has traveled a certain distance. The service intervals are specified by the vehicle manufacturer in a service schedule and some modern cars display the due date for the next service electronically on the instrument panel.

  6. Crankcase dilution - Wikipedia

    en.wikipedia.org/wiki/Crankcase_dilution

    Crankcase dilution occurs when the fuel oil from the engine gets into the lube oil of the engine. This can be caused by the walls being wetted due to the fuel condensing in the cylinder. If the engine is cold, or there is an excess amount of cooling around the cylinder, [ 1 ] the fuel oil will condense and have a higher chance to end up in the ...

  7. Fuel oil - Wikipedia

    en.wikipedia.org/wiki/Fuel_oil

    MDO (Marine diesel oil) - Roughly equivalent to no. 3 fuel oil, a blend of heavy gasoil that may contain very small amounts of black refinery feed stocks, but has a low viscosity up to 12 cSt so it need not be heated for use in internal combustion engines; IFO (Intermediate fuel oil) - Roughly equivalent no. 4 fuel oil, a blend of gasoil and ...

  8. Cetane number - Wikipedia

    en.wikipedia.org/wiki/Cetane_number

    The cetane number of a fuel is defined by finding a blend of cetane and isocetane with the same ignition delay. Cetane has a cetane number defined to be 100, while isocetane's measured cetane number is 15, replacing the former reference fuel alpha-methylnaphthalene, which was assigned a cetane number of 0.

  9. Diesel cycle - Wikipedia

    en.wikipedia.org/wiki/Diesel_cycle

    However, a real diesel engine will be more efficient overall since it will have the ability to operate at higher compression ratios. If a petrol engine were to have the same compression ratio, then knocking (self-ignition) would occur and this would severely reduce the efficiency, whereas in a diesel engine, the self ignition is the desired ...