A Cold Air System for Your Vehicle


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A Cold Air System for Your Vehicle

First of all, just what is a Cool Air System (CAS)? The atmosphere entering your engine must pass through several devices before it gets to the combustion chambers and mixes with gasoline to produce power. A typical automobile's intake system is restrictive in nature because of space limitation in the engine compartment, and in order to reduce flow noise. A restrictive system slows the flow entering the engine. This therefore reduces the potential power of your car. An air system helps restore some of this lost power.

The lower the temperature of the air going into your engine' system, the denser it will be. Denser air increases the amount of oxygen available for combustion with fuel. If you can get a colder air flow in your engine you increase the power output. This is the reason for an air system approach.

How can you do this with a system? You can do this in several ways.

First, the air around the engine is very hot. If your system could pull in air away from the engine, it would be cooler. So one system method is to position the air intake further away from the engine heat.
The second system method is to increase the diameter of this intake, which increases the airflow through the engine.
A third system method is to design the device with a smoother interior where the air flows. A smoother system means less restrictions.
A fourth system approach is to have a very direct route, which again reduces any restrictions.
A fifth system method is to "tune" the length of the air intake to provide maximum air flow at particular engine speeds. While you are pulling air into your engine with your system you do not want to pull in dirt or other harmful particles.

So you need an air filter for your system. Most of these special system intakes will use a more efficient, less restricting filter.

Is it all positive? No, there can be some downside. (CAS) may tend to increase the risk of ice building up in chilly weather. This system may also draw water into the engine along with air, if you go through water on the road, depending upon where the air inlet is positioned.

So, after considering both the pros and cons, will you add an air system? If so, will it be an air device with the intake further away, or with a larger air intake or even a "tuned" intake?

Yahoo Automotive News

7/29/2010 -	Toyota recalls 412,000 cars in US, 16,000 in Japan (AP) AP - Toyota is recalling 412,000 passenger cars, mostly the Avalon model, in the U.S., and another 16,420 vehicles in Japan for steering problems, the automaker said Thursday.
7/29/2010 -	Volkswagen's Q2 profit up strongly at $1.6B (AP) AP - Sales at Volkswagen AG motored ahead in the second quarter, thanks in part to strong demand from China and helping to push earnings sharply higher to euro1.25 billion ($1.6 billion), the company said Thursday.
7/29/2010 -	China govt approves Geely acquisition of Volvo (AP) AP - Geely Holding Group has received final Chinese government approval to acquire Volvo Cars from Ford Motor Co., the Commerce Ministry said Thursday.
7/29/2010 -	Nissan posts $1.22 bln first quarter profit (AFP) AFP - Japan's number three automaker Nissan Motor on Thursday announced a soaring quarterly net profit on sales of cars in Asia, stronger auto demand in the United States and cost cuts.
7/29/2010 -	Nissan returns to profit, Mitsubishi reduces loss (AP) AP - Nissan Motor Co. veered back into the black in its latest quarter as global car sales rebounded while its smaller rival Mitsubishi Motors Corp. narrowed its quarterly loss.
7/29/2010 -	Toyota says to recall 412,000 cars in the U.S. (Reuters) Reuters - Japan's Toyota Motor Corp said on Thursday it would recall 412,000 high-end passenger cars in the United States to fix steering problems.
7/29/2010 -	Nissan returns to profit on sales growth (AP) AP - Nissan Motor Co. veered back into the black in its latest quarter as global auto sales rebounded, putting the company on track to meet its yearly profit target.
7/29/2010 -	Nissan and Hyundai profits soar as U.S. and China seen slowing (Reuters) Reuters - Nissan Motor Co (7201.T) and Hyundai Motor Co's (005380.KS) forecast-beating quarterly profits may prove tough to match in the second half as robust sales in China and elsewhere start to slow.