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 ...

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 ...

No Pontiac mill was ever designed to leave the factory with an excessive idle speed. Rather to the contrary, it was meant to idle very slowly. The hallmark of a refined and well-tuned engine is a low ...