Pinging—that sound that resembles pebbles being thrown on a tin roof—has become familiar to all of us as a common occurance with today's low-octane fuel and reduced engine speeds. Call it pinging, ...

Like much in life, the difference between detonation and pre-ignition, and their effects, comes down to timing. Both refer to a situation when an engine's fuel/air mixture combusts at the wrong time, ...

I recently got asked about what "pinging" is, and what the difference is between pre-ignition and detonation, what causes it, and why it is bad for an engine. Basically, both pre-ignition and ...

Some 2010-13 XK models with 5.0-liter supercharged engines may produce a pinging noise under moderate acceleration or load. According to Jaguar, the detonation typically occurs in the 1,200 rpm to ...

Does your street-driven car ping now when it didn't use to? It may be suffering from octane creep caused by deposit buildup inside the combustion chambers. New engines on the dyno and regularly ...

Welcome back for Part 2 of tune-up tips for your older Corvette. Last time we talked about tricks of the trade when setting points. This month we will talk about setting ignition timing. The most ...

When your car starts making a metallic knocking sound under the hood, you'd assume it could only be one thing: the engine. However, there are two common culprits, and they're definitely not the same.