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 ...

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In my 35-plus years of working on cars, I have encountered nearly every frustrating troubleshooting problem in the book. Part of the issue stems from my affinity for old Jeeps and classic cars, which ...

Hot rods are meant to be enjoyed. So when it comes to driving your street dream, it must run properly. Few things are more aggravating than an engine that hunts, sags, and generally runs poorly at ...

In this video, I discuss the challenges of locating a vacuum leak in a car and demonstrate how to create a smoke test machine ...

Heat treatment is a common procedure used across multiple industries, for example with the purpose of hardening metals. However, when heat is applied in a furnace, products may react with the oxygen ...

A hissing sound when braking indicates a vacuum leak in your car's brake system, requiring immediate inspection and repair to ...