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But most modern engines don’t need new oil very often, with most cars requiring service every 5,000 to 7,500 miles. Rather than listen to your quick lube technician, consult and follow your ...
Oil cooling is the use of engine oil as a coolant, typically to remove surplus heat from an internal combustion engine. The hot engine transfers heat to the oil which then usually passes through a heat-exchanger, typically a type of radiator known as an oil cooler. The cooled oil flows back into the hot object to cool it continuously.
Some engines have an oil cooler, a separate small radiator to cool the engine oil. Cars with an automatic transmission often have extra connections to the radiator, allowing the transmission fluid to transfer its heat to the coolant in the radiator. These may be either oil-air radiators, as for a smaller version of the main radiator. More ...
The Great Oil Sniffer Hoax was a 1979 scandal involving French oil company Elf Aquitaine. The company spent millions of dollars developing a new gravity wave-based oil detection system, which was later revealed to be a scam. Elf lost over $150 million in the hoax. In France, the scandal is known as the "Avions Renifleurs" ("Sniffer Planes"). [1]
The folded-fin oil cooler is replaced with a 3-plate design on most cars and an 8-plate design on Spyders and cars equipped with air-conditioning. Minor changes are made to the voltage regulator, distributor, cam profiles, and valves.
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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.
Most modern cars are built with organic acid technology (OAT) antifreeze (e.g., DEX-COOL [25]), or with a hybrid organic acid technology (HOAT) formulation (e.g., Zerex G-05), [26] both of which are claimed to have an extended service life of five years or 240,000 km (150,000 mi). DEX-COOL specifically has caused controversy.