Pushing the limits is in the nature of every gearhead. How much cam can you run? How big of a carb can you get away with? How much compression will pump gas hold? Those aren't just simple questions ...

The concept is straight out of a high school physics class: The colder you make your intake charge, the denser, and therefore more powerful, your intake charge becomes. With more atmosphere shoved ...

Injecting water methanol into the intake of a diesel engine is a means to increasing performance, reducing exhaust gas temperature (EGT), and can also increase full economy. Snow Performance has been ...

It's a rare thing when a magazine tests the exact same product twice, but that's exactly what we're doing here. Back in our Aug. '11 issue ["Hooked On Meth"], we installed and dyno tested a Snow ...