Little things can make a big difference in how an engine performs. Street engines spend a lot of time at idle and off-idle speeds, so on carbureted engines it's important that the idle mixture be ...

"Hey, how tough can it be? Just turn the screw and you're done, right?" There's a lot more to learn about setting idle mixture than just turning a couple of screws and slamming the hood closed. You ...

In more ways than one, how your vehicle’s engine idles (i.e. how smooth and efficiently your vehicle’s engine works when the car is stationary and not under any systemic pressure, like the ...

Your engine feels calm at a stoplight because a hidden idle system keeps fuel, air, and spark in balance. That quiet stability is not luck, it is the result of sensors, valves, and software working ...

Intro: A graph of your car’s idle speed shouldn’t resemble architectural plans for a new Cedar Point roller coaster. Once the car warms up to normal operating temperature, it should run in a smooth ...