Friday, January 5, 2007

Cold Air Intakes - How They Work

Car Air Intake Systems

There are different styles of Air Intake for you to choose from, such as Long Ram Cold Air Intake, Short Ram Air Intake, and Ram Air Intake kits. Here is a description of how some of these systems work...

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Long Ram Cold Air Intake Systems:
Long Ram Cold Air Intake Systems create more horsepower and greater gas mileage by increasing the volumetric efficiency within the cylinders. The efficiency is increased due to removing the restrictive stock airboxes and replacing them with smooth flowing, mandrel bent tubing. This increases the amount of air and the velocity of air flowing into the engine. The air going into the engine is also significantly cooler (and denser) on a cold air intake system because the air pulled into the intake is pulled from air that is further from the engine that has not been heated as much. The filters are also more efficient, allowing more air into the intake.

Short Ram Air Intake Systems:
Short Ram Air Intake Systems are very similar to the long ram couterparts, but they have much shorter tubing than the cold air intake systems. They are not as efficient as a long ram cold air intake system because they pull in air that is cloer to the engine, which is warmer and less dense. They still significantly out perform most stock air intake systems.

Ram Air Intake Systems:
Ram Air Intake Systems use outside air to force induction into the engine. You may see a ram air intake kit on a car with a scoop on the hood. The air enters the intake through tubing attached to the scoop. As the vehicle speed increases, the air velocity coming into the intake also increased. This essentially creates "boost" at high speeds, creating good cold, dense, high velocity air in the engine, creating more horsepower. Some Long ram systems are trying to capitalize on this type of "forced induction" by getting the air filter down low enough to reach the high speed air coming through the front bumper.

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