In the Apr. '07 issue of Circle Track, we tested FAST's new portable air/fuel meter with a race engine on a dyno and found that the tool is useful for dialing in the best air/fuel ratios for power ...

Not long ago we explained why every performance tuner needs an electronic wideband air/fuel meter. You have a choice in selecting which wideband is right for you, and among those choices is an ...

Like me, if you work in this industry for a decade or more, you will see your share of blown engines. Hell, I've blown up a half dozen B-series engine in my Bumble Bee Integra alone. My fondest memory ...

It used to be that tuning a hot street engine or race motor was one of those black arts that only those carburetor and ignition wizards seem to understand. When (and why) an engine needed more or less ...