Each year, your tech editor spends one full week in January at a gathering called the Motorsports Parts Manufacturers Council Media Trade Conference. In our 2009 audience with AEM, we were shown a ...

Measuring an engine's air/fuel ratio is arguably the best method of understanding how well or poorly an engine is running. Not that long ago, it was very expensive and cumbersome to install an AFR ...

Back in the Fox days, the most common method of tuning was to increase timing until detonation, and back it off a couple degrees. Like Fox cars, that method was crude, but a dyno wasn't on every other ...

Having engine or performance data in your face while you're on the street or track is extremely important and can be very beneficial. Chances are you have a lot of time and money invested in your ...

Aftermarket gauges provide a reliable way to monitor various aspects of your engine’s health that standard dashboard indicators might not cover. Whether you’re an enthusiast or just looking to keep ...