Buick's intercooled 1986 Turbo Regal is the quickest and fastest production car built in America, and that includes the cream of domestic performance cars: Mustang GT, 350 I ROC Camaro, and yes, even ...

The 1977 Porsche 911 Turbo did not just add speed to an already quick sports car, it forced the entire idea of a road‑going ...

If you think about it, trickery plays a big role in performance tuning. We fool the ECU into giving us more power with black boxes. We trick the fuel system into delivering more fuel by upping the ...

A supercharger—such as a turbo—compresses air. Compressing air heats it. Heating air makes it expand. This is a Catch 22 inherent in supercharging. So rather than thinking of quantities of air in ...

We haven't got as far as we had previously promised. Project Z still hasn't made its date with the dyno, but there's a good reason. Building a 350Z to properly support the power and meet the lofty ...

I was told by the workshop that my car has an intercooler and it is busted. What does this mean? Intercoolers are fitted to cars with superchargers or turbochargers. On these types of engines, the ...

Our government exempts imported vehicles older than 25 years from having to meet emissions, safety, and other regulations. A recent drive of a first-generation Volkswagen GTI got us thinking about ...

If Porsche’s turbocharged 911 Carrera and 911 Carrera S offend your natural-aspiration sensibilities, we have bad news: The brand’s mid-engine sports cars, the 718 Boxster and the upcoming 718 Cayman, ...