| An engine cooling system is an important
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| | which are obviously absent in air-cooled
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| component when a internal combustion
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| | vehicles who use metal fins covering the
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| engines used in vehicles. Early VW
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| | outside of the engine's cylinder to
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| engines, particularly the early
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| | increase the surface are for air to flow
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| incarnations of the iconic VW Beetle,
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| | through. Radiators, typically located
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| used an air-cooled system. In a nutshell,
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| | behind the car's grill, acts as heat
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| the system works by dissipating thermal
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| | exchanger and is connected to channels
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| energy into the air directly. However,
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| | that traverse through the cylinder head
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| after the second World War, most VW
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| | and the engine. A device called the
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| vehicles have adapted liquid-cooled
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| | thermostat allows the coolant to
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| principle and continue to do so at
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| | circulate at a certain temperature by
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| present. This is due to the fact that
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| | opening valves that releases the heated
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| air-cooled engines have fallen out of
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| | liquid to the radiator. At this point in
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| favor for most car manufacturers, because
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| | time, the heat in the liquid is spread
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| minimizing emissions and engine noise has
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| | out via the air drawn in by the forward
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| proven to be too difficult in air-cooled
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| | motion of the vehicle, augmented by a
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| system. Air-cooling is still used in
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| | fan. It is important to note that VW
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| airplane engines, however, wherein the
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| | radiators vary in size, this all depends
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| disadvantages are not that noticeable.
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| | on the model and size of the engine and
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| The difference between the two
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| | vehicle, which in turn affects the
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| applications goes beyond the medium in
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| | ability of the radiator to handle extreme
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| which heat is dispersed. In fact, the
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| | conditions that will the engine in
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| liquid-cooled principles borrows an
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| | question will undergo. This does not
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| application from its air-cooled
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| | however, mean that the radiator is exempt
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| counterpart. Liquid-cooled engines of VW
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| | from damage over time or use. Coolant
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| vehicles use coolants (commonly a mixture
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| | leaking can cause the cooling system to
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| of water and antifreeze, but other
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| | be less effective or fail entirely. As
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| liquids have been known to be used), air
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| | with any other car component, proper
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| is still needed in the process to cool
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| | maintenance and care is highly
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| the liquid itself. Another main
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| | encouraged, as overheating problems can
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| difference is in the weight, with VW
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| | cause more damage to the engine itself,
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| radiators, as well as other radiators of
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| | prompting for a more expensive endeavor.
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| different makes for that matter,
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| | At the event of the worse case scenario,
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| liquid-cooled engines are a lot heavier
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| | VW radiators are readily available in
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| compared to air-cooled engines. One the
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| | various shops that specialize in VW
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| other hand, the liquid-cooled principle
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| | vehicles. The world wide web has also
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| has noticeably higher specific heat
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| | become a reliable source for such
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| capacity, density and thermal
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| | transactions, with the added security
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| conductivity. This is due to the fact
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| | brought about by latest technologies.
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| that liquid, particularly water, can
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| | Either way, the necessity far outweighs
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| transfer heat farther and with less
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| | economy when considering radiator
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| volumetric flow. At the heart of
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| | replacements.
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| liquid-cooled vehicles is the radiator,
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