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Vortech relies on air-to-water-to-air intercooling to drop the temperature of the intake charge going into the engine, and the heart of the system is its charge cooler. As compressed air is blown through the liquid-cooled heat exchanger inside this box, the air temperature can drop by over 100 degrees, freeing up as much as 100 hp, depending on the vehicle application and boost level. For the LS1 engine's 10.1:1 compression ratio, intercooling of some sort is also a very good idea to avoid any possibility of knock. View Related Article
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