Toyota's ZZ engine was the jack-of-all-trades four-banger that bridged the gap between two eras. But what happened when the ...

D printing can be used for making all sorts of objects, including the cylinder head on your car, but how long would it last?

Today's 4-cylinder cars offer a better combination of performance and efficiency than ever before. Although the engines themselves continue to get smaller in displacement, they're able to make more ...

There are several instances where knowing the location of cylinder number 1 matters, especially for DIY enthusiasts. It's not just trivia, but crucial when diagnosing engine misfires, replacing spark ...

Mazda was forced to drop one of its preferred engine technologies long ago, but technical advancements mean it has been able to bring it back.

The upsides of cylinder deactivation systems are obvious: Estimates from the U.S. Department of Energy say they can improve fuel economy by about 7.5 percent. (Many manufacturers offering cylinder ...

Once the Audi TT RS leaves production after this model year, just two cars will come equipped with five-cylinder engines, the Audi RS3 and (not-sold-in-America) RS Q3. Figure those two will be around ...

We think of electronic engine management systems and multiport electronic fuel injection (EFI) as primarily responsible for the improved air/fuel distribution and performance as Detroit clawed its way ...