One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

In the world of automotive tuning, knowledge is horsepower. Gauges, loggers, and sensors galore provide the data to advance performance, solve problems, and prevent expensive engines from experiencing ...

The horsepower war rages on the street and the track these days, and fuel injection has given a new meaning to streetable power. Every hot-rodder is pushing the envelope, but doing so without knowing ...