Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of timing. In a knocking engine, parts of the air-fuel mixture don't ...

Engine knocking, or detonation, occurs when fuel in the cylinders ignites unevenly, causing metallic pinging sounds, reduced power, and potential engine damage. Key causes include low-octane fuel, ...

There are a million and one things that could go wrong with a car engine. In old times, it was solely up to the owner and/or technician to drudge through possible issues until they determined what was ...

Our cars can make some pretty strange sounds. If you drive them for long enough, you'll most likely experience some fairly unsettling noises at some point or another. While any unusual sound coming ...

The demon of engine knock is something an owner of a traditional high-performance Pontiac knows all too well. An engine designed when 102-octane high test was at almost every fuel station in the ...

From the 1920s until the 1970s, most gasoline cars in the USA were using fuel that had lead mixed into it. The reason for this was to reduce the engine knocking effect from abnormal combustion in ...

Dyno tuning is great. But, a dyno-tuned engine can't always be tuned for the stress it might see on the street, let alone something like the continued abuse of, say, a track day. This is especially ...

Add Yahoo as a preferred source to see more of our stories on Google. Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of ...