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 ...

How Do I Dial In The Right Air/Fuel Ratio For Today's Oxygenated Fuels Using A Wideband O2 Sensor? Q. I am installing a wideband oxygen sensor and am curious about what A/F (air/fuel) ratios to aim ...

For any engine to reach its maximum potential, the fuel must burn efficiently. Running rich or lean is not good for performance, and in extreme cases it can be catastrophic. A rich engine is likely to ...