BMW is using an old-school trick to improve the performance of one of its newest cars. The twin-turbocharged six-cylinder that powers the M4 coupes it employs as a safety cars for the Moto GP ...

Horsepower junkies are always looking for that edge to stay ahead of the competition. There are safe ways and risky ways of doing it. Before turning up the boost on any forced induction (supercharger ...

One of the fastest production street machines you can buy on the open market today is the turbocharged V6-powered Buick Regal T-type or Grand National. The carbureted V6 was eliminated in 1984, and ...

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 ...

Electric cars and hydrogen fuel-cell vehicles may get a lot of attention, but every carmaker is still searching for ways to improve the fuel efficiency of internal-combustion engines. At its ...

Hopefully by now you've all had a chance to pick up a copy of '05-'13 Mustang Performance; our newsstand-only magazine dedicated to Three-Valve and Coyote 'Stangs. As usual, the latest single-issue is ...