Saab opened the floodgates for reliable turbo performance back in the '80s, and automakers haven't stopped innovating since. BMW used single and dual turbochargers to make the most of its engines' ...

There’s just one car I could think of that doesn’t compromise too much in either role, and that’s the Subaru WRX. Ever since ...

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 ...

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 ...

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 ...

From the December 1984 issue of Car and Driver. Who would have thought ten years ago that 1985 would reveal a production-car engine with a turbocharger, an intercooler, double overhead camshafts, four ...

Back in the 1660s, chemist and physicist Robert Boyle discovered the connection between pressure (p), volume (V), and energy (K). He based his theories, which became known as Boyle’s Law, on his own ...

Excess heat is the enemy when it comes to internal combustion engines. Operating temperature is ideal, but any degree above that starts to slowly sap power, put fluids to the test, increase friction, ...