Improving fuel economy or gaining horsepower means making the engine more efficient. Fuel economy or maximum power is only obtainable when the correct air/fuel mixture or ratio (a richer mixture for ...

A huge component of performance is control. If we can more accurately control the timing of fuel and spark to the engine we will achieve a happier, more powerful engine. For older muscle cars, this ...

For car enthusiasts and performance seekers, optimizing engine response is a thrilling endeavor. Ignition systems play a ...

When new technologies come out it doesn't mean what you used in the past was bad, it just means that some "cat" with a pocket protector figured out a way to do things just a bit more efficiently. In ...

Q: A question from your August 2007 issue got me thinking. A guy with a Kia Sportage asked where the spark plugs and spark plug wires on this car were, and was told that this car did not have a ...