How much HP does that make?

How many times have you seen this question asked and wondered what the true relevance was? It would seem that the first and only goal of a new car enthusiast is making the car go faster, and to that end, Horsepower numbers rule them all... but is that really the case? In this article, we put horsepower in context with other performance measures and discuss outcomes and goals.
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Daniel Bernoulli and why he should matter to you

Daniel Bernoulli was a mathematician and physicist who specialized in fluid mechanics... the study of the effects of forces and energy on liquids and gasses. Why should this matter to you? Because air is a gas and exhaust is a gas and the mechanical principles on how gasses impact how your car performs is directly related to these two gasses. This article discusses the impact of aerodynamic principles on your car and your exhaust system.
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The truth about ethanol

If you read some propaganda out there, ethanol is the ultimate fuel. It's made from a renewable source, it's good for the environment, and it's cheaper to put into your tank. But what is the truth about ethanol? Is it really better for the environment than gasoline? Is it really cheaper to use? Why do street racers use E85 as their fuel of choice for making big power? This article answers these questions and more...
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