A vacuum leak can cause a variety of drivability issues in your vehicle. Here's how you can isolate the leak and the steps ...

One of the most difficult tuning problems to overcome is the seemingly ever-present engine vacuum leak. Vacuum is an important component of the internal-combustion process because it controls basic ...

Carburetors with vacuum lines are still found on classic vehicles and small-displacement engines — but what is the vacuum ...

Question: why is vacuum so important on a vehicle? Answer: Vacuum is created when each piston moves down the cylinder with the intake valve open. It will change as the engine is running at different ...

If you've taken a trip through the pits at a major drag race lately, you may have noticed that many of the Pro Stock, Gasser, Modified Production and Super Stock cars have begun sprouting unfamiliar ...

Your car’s performance depends on precise control of air, fuel, and spark, and vacuum leaks quietly disrupt that balance. When unmetered air slips into the intake system, the engine computer receives ...

We may receive a commission on purchases made from links. A vacuum leak in a car occurs when there's an unintended opening in the vacuum system, which allows air to enter the engine. This disrupts the ...

We may receive a commission on purchases made from links. No matter the type of car you drive, whether a diesel truck, a hybrid SUV, or a turbocharged sedan, a vacuum system is really important. The ...

We've really been enjoying project C3 Triple-Ex, especially now that we've installed our 427ci "LS7 Killer" small-block, but we've recently encountered an issue common to street engines with ...