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 ...

Detonation happens, and there's more than one reason why. ignition timing will do it. When spark timing is advanced too much, combustion chamber pressures can rise too high at the wrong time, ...

Water-methanol injection is a tried-and-true method of adding power to your vehicle. This process has turned out to be especially effective with modern turbodiesels. Most typical systems inject a mist ...

The main distinguishing factor of the Wemotaci concept motorbike is that it considers hydrogen as a fuel source. While battery-electric systems tend to perform rather poorly in colder climates, ...

Turbochargers are a great way to improve power and efficiency, and are particularly popular with lower-displacement GM engines. However, some turbocharged engines may actually suffer in performance ...