Want to know how healthy or unhealthy your engine really is? Get yourself a compression tester and find out. Despite how complex many modern vehicles are, you can do many common repair and maintenance ...

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 ...

If all those engine goodies don’t result in cylinder pressure, performance is sure to disappoint, and there’s more to the story than you think. To celebrate HOT ROD's 75th anniversary, we teamed up ...