'Breathe in . . . breathe out. Simple respiration is what keeps us alive, and your engine is no different. On a normally aspirated engine, atmospheric pressure pushes air in through the carb, intake ...

There’s hardly anything on a truck that’s simpler than its air-intake system. And not too many things – maybe only your right foot – that can have as much effect on fuel economy. A diesel engine needs ...

While many folks view diesel engines as indestructible, they do still need maintenance. Oil changes, fuel filter replacement, and cleaning or changing the air filter are all important items when it ...

Modern engines are cleaner and more efficient than the ones you grew up with, yet many drivers are discovering a new headache ...