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 ...

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 ...

In this video I go over how to fine a vacuum leak or an evap leak using an automotive smoke machine. the machine i will be using is the autoline pro shop series smoke machine. It has a built in ...

Your car’s performance depends on precise control of air, fuel, and spark, and vacuum leaks quietly disrupt that balance.

Boost leaks are notoriously common culprits in underperforming turbocharged vehicles. Coupled with boost lag and diminished fuel efficiency, boost leaks can lead to higher maintenance bills and engine ...

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 ...