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Proper engine coolant and a pressurized coolant system obviate these shortcomings of water. With proper antifreeze, a wide temperature range can be tolerated by the engine coolant, such as −34 °F (−37 °C) to +265 °F (129 °C) for 50% (by volume) propylene glycol diluted with distilled water and a 15 psi pressurized coolant system.
Core plugs can also sometimes prevent freeze damage to the motor. During the early stages of the freezing of the engine coolant a freeze plug will sometimes burst, and thus allow the coolant to exit the engine, before it might expand within the engine during the freezing process and potentially crack the engine block. [2]
A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system. An ideal coolant has high thermal capacity, low viscosity, is low-cost, non-toxic, chemically inert and neither causes nor promotes corrosion of the cooling system. Some applications also require the coolant to be an electrical insulator.
Waterless coolant lasts the life of the engine, and there is no need to have that system pressurized, which has shown to reduce stress on the cooling system plumbing. [6] Waterless coolant has been used to reduce fuel usage by limiting the amount of time the radiator fan needs to be on. Waste management departments have used waterless coolant ...
It was equipped with V-VIS [29] (Volvo Variable Intake System) which was designed to improve engine response between 1500 and 4100 rpm. V-VIS was only available on naturally aspirated 20V engines with the Bosch LH-3.2/EZ-129K engine management.
New York City Police Commissioner Jessica Tisch (R) participates in a press conference regarding what homicide authorities believe was a targeted attack on United Healthcare CEO Brian Thompson at ...
Apple has topped the Drucker Institute's annual ranking of the 250 best-managed companies in the US. Fellow tech giants Nvidia, Microsoft, and Intel all made the top 10.
Manufacturers of baby powder and cosmetic products made with talc will have to test them for asbestos under a proposal announced by the U.S. Food and Drug Administration.