Yup. Even the fuel injection (in most cases) is based on 1950's designs though. Incidentally, aero engine makers were playing around with direct injection, el

Yup. Even the fuel injection (in most cases) is based on 1950's designs though. Incidentally, aero engine makers were playing around with direct injection, electrically controlled turbo waste gates and turbo-compounding at the beginning of WWII.