We may receive a commission on purchases made from links. Our cars depend on many individual mechanical parts and systems, as well as a host of electrical sensors and computers to carry us to and from ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

We may receive a commission on purchases made from links. The throttle body is a vital component of a fuel-injected internal combustion engine. It has a pivoting butterfly valve or throttle plate to ...

You might already know that gasoline and diesel engines both operate using the same four-stroke cycle: intake, compression, power, and exhaust. However, a key difference between gas and diesel engines ...

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 ...

Having a car with outrageous low-end throttle response and top-end horsepower is something every gearhead strives for. The correct combination of parts will get you close, but it’s the tune-up that ...

NASCAR Cup engines live in a strange space: they are tightly regulated, largely hand built, and expected to survive hours at ...