The Dodge Demon SRT Highlighted in Best of What’s New for 2017! Recently the Dodge Demon SRT changed the Dodge line when it debuted at the 2017 New York International Auto Show, revealing an impressive 840 horsepower and 770 pound-feet of torque, that brought the racing world, movie industry, hip-hop and auto industry together on stage for one unforgettable night. The Demon is barely street legal, hitting 60 mph in an impressive 2.3 seconds, and is the fastest production car in the world.
Now the SRT Power Chiller, which uses the car’s air conditioning refrigerant to help further cool the air entering the supercharged 6.2-liter HEMI® Demon V-8’s cylinders, was recently named in Popular Science’s best of What’s New for 2017. Cooler air contains more oxygen molecules, helping the engine deliver maximum output of 840 horsepower with 100+ high-octane unleaded fuel.
“Creating a street-legal machine that is powered by an engine with unrelenting power and torque, specifically engineered for the drag strip, yet street legal and meeting all emissions, pass-by noise and SRT durability standards demands outside-the-box thinking,” said Chris Cowland, Director of Advanced and SRT Powertrain, FCA US LLC. “The technologies that make lower-volume SRT products special can deliver significant benefits in alternative applications. For example, while denser intake air and high-octane fuels are part of the recipe that makes the Challenger SRT Demon a head-turner, they can be just as important in meeting the challenges of improving fuel economy.”
How the SRT Power Chiller works
The 6.2-liter HEMI Demon V-8 uses a dedicated liquid circuit, separate from the engine cooling circuit, to cool air after it leaves the 2.7-liter supercharger.
The SRT Power Chiller is enabled in Drag Mode from the SRT Drive Mode controls. When activated, air conditioning refrigerant is diverted from the cabin to the chiller unit.
The supercharger charge air coolant passes through a low-temperature radiator at the front of the Dodge Challenger SRT Demon then flows through the SRT Power Chiller unit, where it is further cooled by the refrigerant. The chilled liquid then flows through heat exchanger units in the supercharger housing, cooling compressed air as it enters the intake ports. Cooler air is denser, containing more oxygen molecules per volume than warm air. With more oxygen entering the engine, adding more fuel produces more power.
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