Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

Porsche patented a 6-stroke engine Outside of early Saabs, most gas-powered car engines are a 4-stroke Porsche's 6-stroke patent seems to indicate it could eke more power out of an engine Unless you ...

Love it or hate it, this controversial Ford diesel engine is famous for its deafening scream. Discover the mechanical quirk ...

Ford has made plenty of engines over the years — some great, some not. Here are five Ford engines that have proven troubled enough to avoid.