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 ...

Scientists analyzed detonation formation in hydrogen/methane air mixtures, quantifying the effect of non-thermal reactions on the mechanism of detonation Small-displacement turbocharged internal ...

Fuel Knocking Can Threaten Destruction to Engines. Technologists Are Familiar With Some of the Answers to the Problems Involved, But Many More Data Are Required. New Research with a Full-Scale Engine ...

USA: Class action lawsuit filed over ‘knocking’ GM engines – report General Motors has quietly repurchased dozens of full-size pickup trucks and sport utility vehicles, its most profitable models, ...