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 ...

The world is getting ready for next year's launch of the first crewed Artemis mission to the Moon. It's a limited-scope one, but if all goes well, it will open the doors later in 2025 to Artemis III, ...

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 ...