In order for an engine to perform its best, it must have proper fuel, spark, and cylinder sealing. Conducting a leakdown test is the best way to determine if there's a problem with a particular ...

You've probably heard racers talking about leakdown testing as a method of verifying engine condition. Being a hot rodder, you've probably performed a similar function by using a compression tester to ...

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 ...

Unless you drive a fully electric vehicle, motor oil is an absolutely essential component for your car. Oil is the lifeblood of your vehicle's engine. It provides lubrication for all of the engine's ...

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

As the need for clean energy rises, the emerging technology behind hydrogen fuel cells becomes ever more important to the future of the environment. Using the most abundant element in the universe as ...