Today I'm going to start blogging about how to get more power from your car.
One of the basic ideas to understand when you are evaluating different options to help you get more power is the concept of air / fuel mixture. Fuel burns inside your engine which produces power. However the fuel must have air (really the oxygen in the air) in the proper proportions to be efficient. For gasoline fuel, the stoichiometric air/fuel mixture is approximately 14.7 times the mass of air to fuel. Any mixture less than 14.7 to 1 is considered to be a rich mixture, any more than 14.7 to 1 is a lean mixture.
So if you add more fuel and the air is not increased in the proper ratio to wind up with a "rich" or a "lean" mixture.
A rich mixture produces cooler combustion gases than the ideal ratio, and this lower heat level mean that you are wasting fuel and lowering your fuel efficiency.
A lean mixture produces more heat, but produce less power than the correct ratio.
All of this is under a light engine load. As your engine speed increases you must have more fuel added to prevent detonation (knocking) and overheating of the cylinder head.
Devices in your car, such as the oxygen sensor in the exhaust stream, are designed to monitor and control this mixture of air and fuel. Keep in mind that just adding more air or more fuel without a balance will not produce the power you are looking for, and can create damage.
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