Twin turbo systems explained: how they work, why V6 and V8 engines use them, real-world performance gains, and when twin ...

Subaru built the only twin turbo flat four in a production car. Here is how this rare EJ20 setup worked, why it struggled, ...

From the December 1970 issue of HOT ROD: There’s a whole lot of science necessary to drag 720 horsepower out of 203 cubic inches. These days, we don't bat an eye at a 720-hpsmall-block Chevy, but we ...

"Small turbocharged engines are marketed as delivering the power of a large engine, with the fuel economy of a smaller one," says Consumer Reports. "That's a tempting proposition, but our testing ...

Turbo basics represents ground we have covered many times in this magazine. However, from the questions we get and some of the articles about turbos we read, the basics still need to be addressed. A ...