09-30-2006, 06:20 PM
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#11
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YarVitz
Drives: 07' Yaris Liftback
Join Date: Sep 2006
Location: Southern California
Posts: 222
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Quote:
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Originally Posted by ChinoCharles
Cooler air is more dense than warm air because on a microscopic level there is less mollecular movement of the air itself. In other words, you can cram more cold air than warm air into the same space.
The first two strokes of an internal combustion engine have to do with first taking air and fuel into the combustion chamber, then compressing this mixture right before ignition. A cold air intake does a few things to help this process along. First, it (usually) relocates your source of air further from heat-producing parts of the engine, hence the term cold air intake. Second, it (usually) cuts down the length of space in which the air has to move, thus your air hits the intake manifold at a higher speed. Both of these facts mean more air in the combustion chamber, and more air means more oxygen which means a more violent ignition... which means more HP!
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wow, just wow man!
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