When GM first introduced the LS series of engines back in the late '90s, these all-aluminum mills set the Chevy performance world on end, and since then it's only gotten better. The 346ci LS1 begat ...

There are lots of methods to creating more power in 4.0L Jeep engines. Some are easy bolt-on upgrades, while others require extensive modifications and engine ...

With our '01 Camaro SS looking good both inside and out, it was time to get down to the serious business of picking a powerplant. If you haven't been following along, our project Camaro is being built ...

Modern electronic diesel engines use ultra-low sulfur diesel (ULSD) fuel and have sophisticated fuel management systems that include integrated throttle control. Use of these engines results in ...

Everyone here is guilty of letting their throttle body go unloved for far too long. Heck, some car owners might never clean theirs. Throttle bodies are just one of those things that can live at the ...

Although Nissan has been in the doldrums ever since getting purchased by Renault in the early 2000s, it once had a reputation ...