There's an old saying in engine tuning that when adjusting the mixture of your engine you can be too rich a bunch of times, but only too lean once. With that in mind, determining the air-fuel ratio ...

Car culture has long been split between those who trust a screwdriver and those who trust a laptop. On one side sit classic ...

Your truck's factory settings are holding back more power than you'd expect.

For those readers who may be unaware Trifecta Performance is a tuning shop based in Snohomish, Washington that specializes in upgrading the go in a variety of GM platforms. As GM Authority covered ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

Chip tuning and ECU remapping are both methods to increase a car's performance. However, they're not the same thing. Here are ...

Tuning is a trendy concept among drivers. Everyone likes modifying and improving their cars for better results, such as increased performance. However, for most, tuning costs are an essential ...

Calling a Honda Civic with a laptop “the most feared thing in the car community” is mostly a joke—but it didn’t come out of nowhere. Some cars, certainly some Civics, can make a lot more power than ...